General Chemistry Journal (eISSN 3025-5570) merupakan jurnal yang berisi artikel hasil penelitian kolaborasi mahasiswa dan dosen yang berisi mengenai pembahasan penelitian kimia secara umum, baik dalam bidang kimia maupun dalam bidang pendidikan kimia. Jurnal ini diterbitkan oleh Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Manado.
Jurusan Kimia FMIPAK Universitas Negeri Manado
General Chemistry JournalÃƒÆ’Ã†â€™ÃƒÂ¢Ã¢â€šÂ¬Ã…Â¡ÃƒÆ’Ã¢â‚¬Å¡Ãƒâ€šÃ‚Â is published and distributed under the terms of the Creative Commons Attribution 4.0 International License. This license allows anyone to copy and redistribute this material in any form or format, compose, modify, and make derivatives of this material for any purpose, including commercial interests, as long as they attach credit to the author for the original creation.
Penggunaan Problem Based Learning Dengan Bantuan Algoritma Dalam Menyelesaikan Soal Konsep Mol Bagi Siswa SMA Negeri 2 Tondano
The aim of this research is to find out whether there is an increase in learning outcomes before and after using Problem Based Learning model with the help of an algorithm in solving Mole Concept questions for students at SMA Negeri 2 Tondano This research was conducted in class XI of SMA Negeri 2 Tondano in the 2023 2024 academic year with a total of 22 students This research uses a quantitative method with a one group pretest posttest design < em> Data collection techniques performed using learning outcomes test where given pretest was given treatment and posttest after treatment in the form of model based basible learning with the help of algorithm Based on the results of the hypothesis test using paired sample t test tested ac2 = 21 81 gt; ttable = 1 71 then H0< sub> was rejected and H1< sub> was accepted Therefore it can be concluded that there are enhancement in learning outcomes before and after using Based Learning Problems with the help of algorithms in solving the problem of mole Concept nbsp;for SMA Negeri 2 Tondano students< em>< p>
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Pengaruh Model Cooperative Project Based Learning Terhadap Hasil Belajar Siswa Pada Materi Teori Atom
This study aims to improve student learning outcomes in atomic theory material through the application of cooperative project based learning learning models The cooperative project based learning model is learning that integrates project based learning implemented with cooperative learning strategies The research conducted was Classroom Action Research PTK which was conducted in 2 cycles where each cycle consisted of planning action observation and reflection stages The research subjects were all students of class X B at SMA Negeri 2 Tondano with a total of 20 students consisting of 12 female students and 8 male students Data collection techniques were carried out through observation and written tests Cycle I the percentage of classical mastery of students is 85 Cycle II the percentage of students mastery classically becomes 100 There was an increase in individual learning outcomes with 17 students who completed learning in cycle I to 20 students who completed learning in cycle II The results showed that the cooperative learning model based on project learning on atomic theory material improved student learning outcomes < em>< p>
Pengaruh Model Pembelajaran Problem Based Learning PBL V ariasi dengan Jiksaw Pada Hasil Belajar Redoks Kelas X SMA Negeri 2 Tompaso
The problem based learning model with Jiksaw is a learning model that encourages students to be more active in learning This research was conducted using a variation of the problem based learning model with jiksaw which aims to determine student learning outcomes using this learning model The research method used is an experimental design with a quasi experimental design and the form of the design is nonequivalent control group design the sample used was 11 students in the control class and 10 students in the experimental class The data collection technique used in this study was using tests tests in this case pretest and posttest Based on the results of the normality test calculations the results are: Pretest experimental class L count < sub> 0 022 L table < sub>0 258 data is normally distributed Pretest control class L count < sub>0 1694 L table < sub>0 249 data normally distributed The results of the pretest homogeneity test for the experimental class and control class F count < sub>3 and F table < sub>3 0204 so that both classes are homogeneous The results obtained from the t test with the results of the posttest t count < sub>of 5 535 are greater than the t table < sub>of 2 093 with the conclusion that H 0 < sub>is rejected so that H 1 < sub>is accepted So it can be concluded that there is an influence on student learning outcomes using the problem based learning model variation with Jiksaw on the redox learning outcomes of class X SMA Negeri 2 Tompaso < em>< p>
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Pengembangan Instrumen Tes Diagnostik Five Tier untuk Identifikasi Miskonsepsi Siswa pada Materi Asam Basa Hidrolisis Garam dan Larutan Penyangga di SMAN 1 Likupang
The purpose of this research is to determine the feasibility of the Five Level Diagnostic Test Instrument especially on acid base material salt hydrolysis and buffer solutions to identify students misconceptions about this material This research was conducted at SMAN 1 Likupang on class XI MIA 1 and XI MIA II students totaling 70 students This research method uses the R amp;D method with the PLOMP model The results of the validation of the questions by experts obtained a CVI value = 0 99 with the criteria very suitable Construct Validity with a person reliability value of 0 83 in the good category item reliability of 0 77 sufficient criteria and person separation reliability of 3 35 good criteria and sufficient person separation criteria of 2 75 The results of reliability distinguishing power and level of difficulty show good results And the results of applying the instrument to each question show the highest student misconception profile in questions number 3 6 and 8 with a percentage of 70 and the lowest misconception in question number 19 with a percentage of 16 66 The subconcept that experienced the highest misconception was the theory of acids and bases and the strength of acids and bases while the lowest subconcept was the concept of buffer solutions and the properties of buffer solutions < em>< p>
Pengaruh Model POGIL Process Oriented Guided Inquiry Learning Pada Materi Minyak Bumi di kelas XI SMA Negeri 2 Tondano
The aim of this research is to determine the influence of the POGIL Process Oriented Guided Inquiry Learning model on petroleum material in class XI SMA Negeri 2 Tondano The type of research used is Quasi Experimental with a research design namely one group pretest posttest design The sample in this study was all students in class XI B class 1 totaling 20 people In this research the data collection instrument was a multiple choice test with 20 questions in accordance with the material being taught namely Petroleum For data analysis in this research validity and reliability tests were used The research results show that the average student learning outcome on the pretest is 44 5 while the average student learning outcome on the posttest is 76 5 Based on the N gain Score Test the N gain value obtained is 0 561 and overall the criteria are quite effective In the N gain score there is 1 student in the low category with a percentage of 5 there are 14 students in the medium category with a percentage of 70 and 5 students in the high category with a percentage of 25 From the N gain results it can be concluded that the POGIL Process oriented guided inquiry learning model has an effect on improving student learning outcomes in petroleum material < em>< p>
POGIL (Process oriented guided inquiry learning)
Penerapan Model Pembelajaran ECIRR Dengan Media LKPD Untuk Mereduksi Miskonsepsi Pada Materi Larutan Asam Basa Kelas XI SMA Negeri 4 Manado
Misconceptions are a condition where students experience errors in understanding the concepts taught by experts Students misconceptions can be obtained through the learning methods used This research aims to reduce misconceptions of class XI students at SMA Negeri 4 Manado regarding acid base solution material using the ECIRR learning model with the help of LKPD media The type of research used is descriptive research The sample in this research was all students of class XI IPA 3 totaling 32 people In this research the data collection instrument was a multiple choice test with 12 questions along with the reasons according to the acid base solution material Data analysis in this research uses validity and reliability tests From the research results it was concluded that the percentage of the misconception category was reduced from 28 125 to 8 85 then the percentage of the understanding category increased from 23 185 to 83 85 and the percentage of the don t understand category experienced a reduction from 48 69 to 7 3 < em>< p>
Kelayakan Bahan Ajar Berbantuan Media Flipbook Pada Materi Ikatan Kimia SMA Fase F
This study aims to test the feasibility of Flipbook media assisted chemical bonding materials for Fase F High School The research method used is descriptive This research consists of three stages namely manufacturing validation and repairing teaching materials assisted by flipbook media Validation uses a research instrument in the form of an assessment questionnaire that includes format content language practicality and effectiveness which consists of 14 criteria Validation of Flipbook media assisted teaching materials is carried out by five validators consisting of lecturers in the FMIPA K Chemistry Department of Manado State University The results showed the average total validation RTV of 3 56 Based on Khabibah in Yamasari 2010 this teaching material is classified as valid < em>< p>
Kelayakan Bahan Ajar Berbantuan Media Flipbook Pada Materi Stoikiometri Kimia SMA Fase F
This research aims to test the feasibility of media assisted Stoichiometry teaching materials flipbook for SMA Phase F This research consists of three stages namely creating validating and improving media assisted teaching materials flipbook Validation uses a research instrument in the form of an assessment questionnaire which includes format content language practicality and effectiveness consisting of 14 criteria Validation of media assisted teaching materials flipbook carried out by three validators consisting of lecturers in the Chemistry Department FMIPAK Manado State University The research results show an average total validation RTV of 3 38 this teaching material is classified as valid< em>< p>
Kelayakan Bahan Ajar Berbantuan Media Flipbook Pada Materi Struktur Atom SMA Fase F
This study aims to test the feasibility of flipbook media assisted atomic structure teaching materials for Phase F High School nbsp; Validation uses a research instrument in the form of an assessment questionnaire that includes format content language practicality and effectiveness consisting of 14 criteria < em>Validation of teaching materials assisted by flipbook nbsp; media was carried out by seven validators consisting of lecturers in the Department of Chemistry FMIPAK Manado State University The results showed an average total validation RTV of 3 11 Based on Khabibah in Yamasari 2010 this teaching material is classified as valid < em>< p>
Efektivitas Pembelajaran Daring Pada Materi Larutan Penyangga Di Kelas XI SMA Negeri 3 Kotamobagu
It examines the effectiveness of online model learning on buffer solution material This study was conducted at SMA Negeri 3 Kotamobagu in the 2021 2022 even semester 28 class XI B students participated in this study The research findings show that the teacher s ability to manage online learning is very effective with a score of 3 58 student activities during the online learning process are active with a score of 3 39 students responses to the online learning model are positive with 77 5 agreeing and students learning outcomes through the online model completed classic The N gain score calculation on pretest and posttest results showed medium and high learning improvement after online treatment Similarly online buffer solution learning achieved a good N gain based on pretest and posttest Based on data analysis of the five criteria met online models in buffer solution material in class XI SMA Negeri 3 Kotamobagu are effective< em>< p>
Identifikasi Dan Karakterisasi Asap Cair Hasil Pirtolisis Limbah Potongan Rambut Manusia Asli Papua
Human hair clippings are one of the most common types of waste found in various places One of the abundant sources of waste especially in barbershops and hair care related industries The problem with human haircut waste is the lack of processing of human haircut waste so that it can pollute the environment if it is simply thrown away or burned The aim of this research is to convert human haircut waste into liquid smoke analyzing the physical and chemical properties of liquid smoke resulting from pyrolysis of human haircut waste from native Papua The results of observations of pyrolysis of human hair cuttings were carried out by heating to a temperature of around 80o< sup>C 280o< sup>C The physical properties of liquid smoke resulting from pyrolysis of native Papuan human hair clippings are: calorific value 8 028 cal gr viscosity 21 047 cSt density 0 9939 g ml flash point 34 2o< sup>C smoke point 176 1o< sup>C boiling point 146 7o< sup>C freezing point 14 2o< sup>C KG SM analysis of liquid smoke resulting from pyrolysis of native Papuan human hair clips produced 30 chemical compound peaks From these results it can be concluded that pyrolysis of 915 g of human haircut waste resulted in a total yield of 75 g by weight of liquid smoke< em>< p>
Pengembangan Media Evaluasi Analisis Miskonsepsi Berbasis Android Pada Materi Ikatan Kimia Siswa Kelas XI di SMA Wonder School Manado
The aim of this research is to develop Android based learning evaluation media to analyze student learning outcomes on chemical bonding material Another objective is to test the feasibility of the application based on validation tests on material experts media experts and user responders students This type of research included in Research and Development RnD with 4 stages namely: 1 Analysis 2 Design 3 Development and 4 Implementation which is applied to 2nd< sup> class at Wonder School Senior High School Manado The research results show that the material expert validation result is 44 with a feasibility value of 88 46 in the Very Feasible category The media expert s results were 90 in the Very Feasible category The total respondents were 20 students with test results of 81 37 Analysis of the misconception concpet found that 22 students were in the category of understanding the concept 10 of students in the category of not understanding the concpet and 69 of sttudents in the category of misonceptions Thus the learning evaluation media product can be declared suitable for implementation< em>< p>
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Isolasi Dan Identifikasi Senyawa Turunan Clerodin Dari Fraksi n Butanol Daun Leilem Clerodendrum minahassae Teijsm Binn
The clerodin compound has been identified in various plants of the Clerodendrum genus this compound has antifeedant properties Leilem clerodendrum minahassae Teijsm amp; Binn belongs to the genus clerodendrum Leilem is an endemic plant to North Sulawesi which is widely used as a food ingredient and traditional medicine This research aims to isolate and identify clerodin derivative compounds from the n butanol fraction of leilem leaves The stages of compound isolation were solid liquid extraction using maceration fractionation using the liquid liquid extraction method separation of chemical components using the gravity column chromatography KKG and thin layer chromatography TLC methods so that 2 1 mg of Fm1 isolate was obtained Compound identification using the Proton Nuclear Magnetic Resonance Spectroscopy 1H RMI technique The results identified the Fm1 isolate as a clerodin derivative compound< em>< p>
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Karakterisasi Sifat Fisik dan Kimia Asap Cair Hasil Pirolisis Limbah Potongan Rambut Manusia Asal Minahasa dengan KG SM
Hair is a specialized derivative structure of the skin and is one of the defining characteristics of humans Humans strive for the beauty of their hair one of which is to change the hair model by cutting with various models This phenomenon has resulted in the amount of hair waste generated every day from thousands of salons increasing rapidly One of the natural materials that has been rarely utilized and difficult to decompose is human hair cut waste The purpose of this study was to analyze the characteristics of physical and chemical properties of liquid smoke from pyrolysis of human hair waste from Minahasa The method used to convert human hair waste into liquid smoke is pyrolysis The physical properties of liquid smoke from pyrolysis of Minahasa human hair are: calorific value 8 166 cal gr viscosity 14 121 cSt density 0 9837 g ml flash point 31o< sup>C smoke point 172 4 o< sup>C boiling point 139 2 o< sup>C freezing point 14 6 o< sup>C GC MS analysis of liquid smoke liquid from pyrolysis of Minahasa native human hair pieces produced 30 peaks of chemical compounds Based on these results it can be concluded that pyrolysis of 1350 g of human haircut waste obtained a total yield of 105 g by weight of liquid smoke with a percentage of 7 77 < p>
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Teknik Penyelesaian Soal dengan Cara Means Ends Analysis MEA dalam Meningkatkan Penguasaan Hukum Hess pada Siswa SMA Negeri 2 Tondano
The purpose of this study was to determine that the problem solving technique by Means nbsp;Ends Analysis MEA can improve the mastery of Hess Law of SMA Negeri 2 Tondano students The type of research used is Quasi Experimental with a research design design that is one group pretest posttest design The sample in this study were all students of class XI IPA Room I which amounted to 20 people In this study the data collection instrument was a multiple choice test of 20 items in accordance with the material taught namely Hess s Law Data analysis in this study used validity and reliability tests The results showed that the average student learning outcomes on the pretest were 44 25 while the average student learning outcomes on the posttest were 78 50 Based on the results of the N gain Score test the N gain value obtained is 0 625349 and overall has quite effective criteria In the N gain Score there are no students in the low category 0 there are 14 students in the medium category 70 and 6 students in the high category 30 nbsp; nbsp; Based on the N gain results that have been obtained it can be concluded that the problem solving technique using Means nbsp;Ends Analysis MEA can improve students mastery of Hess s Law< em>< p>
HessÃƒÆ’Ã†â€™Ãƒâ€ Ã¢â‚¬â„¢ÃƒÆ’Ã¢â‚¬Å¡Ãƒâ€šÃ‚Â¢ÃƒÆ’Ã†â€™Ãƒâ€šÃ‚Â¢ÃƒÆ’Ã‚Â¢ÃƒÂ¢Ã¢â‚¬Å¡Ã‚Â¬Ãƒâ€¦Ã‚Â¡ÃƒÆ’Ã¢â‚¬Å¡Ãƒâ€šÃ‚Â¬ÃƒÆ’Ã†â€™Ãƒâ€šÃ‚Â¢ÃƒÆ’Ã‚Â¢ÃƒÂ¢Ã¢â‚¬Å¡Ã‚Â¬Ãƒâ€¦Ã‚Â¾ÃƒÆ’Ã¢â‚¬Å¡Ãƒâ€šÃ‚Â¢s law
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Penerapan Model Pembelajaran Terbalik Terhadap Hasil Belajar Siswa Pada Materi Hidrokarbon Di Kelas XI SMA Negeri 7 Manado
The aim of this research is to determine the improvement in chemistry learning outcomes of high school students after implementing the flipped learning model The design of this research is a pre experimental design One Group Pretest Posttest Design This research was carried out at SMA Negeri 7 Manado Class XI J academic year 2023 2024 As an experimental class with 25 students Data collection was carried out by giving a pretest before the learning process was carried out and a posstest after the learning process The research data obtained was that the difference between the average pretest and posttest scores in the experimental class was 48 24 The average pretest score is 30 04 while the average posttest score is 78 28 Before carrying out the one sampel t test a normality test was first carried out and it was found that the data was normally distributed Next it was tested using the t test the result obtained were thiting = 19 09 and tiabel = 2 0106 Tcount< sub> gt;Ttable< sub> It can be concluded that the increase in student chemistry learning out comes in hydrocarbon material in class taught the orevious one < em>< p>
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Penerapan Model Pembelajaran Problem Based Learning PBL dan Kecerdasan Emosional Pada Materi Laju Reaksi Di SMA Negeri 1 Tompaso
This research aims to determine student learning outcomes after implementing the PBL learning model and emotional intelligence at SMA Negeri 1 Tompaso This type of research is quantitative with a quasi experimental approach The research population was all class Xl students of SMA Negeri 1 Tompaso totalling 167 people The research sample was determined using a random sampling technique of 60 people The instrunents used in this sheets and emotional intelligence questionnaires Data analysisnormality tests homogeneity tests and hypothesis tests namely t tests f tests and n gain The results of the research prove that the application pf the PBL learning model is quite effective in improving student learning outcomes as evidenced by the t test the mean pre test value is 56 03 and pos test 87 40 it can be seen that the post test value is greater than the pre test wit a significance of 0 000 meaning that H0 < sub>is accepted and H1 < sub>is rejected Students emotional intelligence improves student learning outcomes the results of the f test with SPSS show an fcount value of 8 184 with a significance 0 008 lt;0 05 so emotional intelligence improves student learning outcomes< em>< p>
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Pengembangan Media Perangkat LKPD Lembar Kerja Peserta Didik Berbasis Multiple Intellegence Pada Materi Laju Reaksi Di SMA Dian Harapan Holland Village
The learning process is an interaction between educators and students in order to achieve learning objectives As educators of course they must understand the needs of students in the learning process if the methods taught are appropriate and effective it will have a good impact on student learning outcomes The purpose of this study is to develop a learning media and find out the feasibility of the media This research method is Research and Development with the aim of developing and producing a device media product The results of media expert validation research material and media trials on students show that LKPD based on multiple intelligence on reaction rate material has met the criteria or indicators The conclusion in this study is that the media expert feasibility test score of 84 of the feasible category the material expert test score of 96 of the very feasible category and the response of students with an average of 90 of the attractive category< em>< p>
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The clerodin compound has been identified in various plants of the Clerodendrum genus this compound has antifeedant properties Leilem clerodendrum minahassae Teijsm amp; Binn belongs to the genus clerodendrum Leilem is an endemic plant to North Sulawesi which is widely used as a food ingredient and traditional medicine This research aims to isolate and identify clerodin derivative compounds from the n butanol fraction of leilem leaves The stages of compound isolation were solid liquid extraction using maceration fractionation using the liquid liquid extraction method separation of chemical components using the gravity column chromatography KKG and thin layer chromatography TLC methods so that 2 1 mg of Fm1 isolate was obtained Compound identification using the Proton Nuclear Magnetic Resonance Spectroscopy 1H RMI technique The results identified the Fm1 isolate as a clerodin derivative compound< p>
Karakterisasi Asap Cair Hasil Pirolisis Dengan Penambahan Zeolit Dari Limbah Potongan Rambut Manusia
Pieces of human hair are one type of rubbish that can be found in various places Human haircut waste has not been widely used most of this waste is thrown away or burned The aim of this research is to convert human haircut waste into liquid smoke analyzing the physical and chemical properties of liquid smoke from human haircut waste The results of observations of pyrolysis of human hair cuttings were carried out by heating at temperatures ranging from 800< sup>C to 2900< sup>C Zeolite in the pyrolysis process can provide fast and stable temperature propagation The characteristics of liquid smoke resulting from pyrolysis of human hair clippings are: density 0 9552 g ml viscosity 5 2759 cSt heating value 8 461 cal g flash point 33 70< sup>C smoke point 178 20< sup>C and boiling point 145 00< sup>C KG SM analysis of liquid smoke resulting from pyrolysis of human hair clippings produced 24 compound peaks < p>
Analisis Secara Kromatografi Gas Spektrometri Massa Fraksi Etil Asetat Daun Sesewanua Clerodendrum Squamatum Vahl dan Potensi Antidiabetes Secara In Vivo
The sesewanua plant Clerodendrum Squamatum Vahl is a plant that has been used as traditional medicine by the community for generations In Minahasa sesewanua leaves are used as a medicine for broken bones fever and to reduce swelling This study aims to test the antidiabetic potential of male white rats Rattus novergicus and analyze the compound content of the ethyl acetate fraction of sesewanua leaves The isolation stages were carried out using the extraction method by means of maceration fractionation and purification carried out using thin layer chromatography and gravity column chromatography In vivo antidiabetic activity tests were carried out on male white rats Rattus novergicus that were injected with streptozotocin Based on the results obtained 10 mg of F1 isolate from the ethyl acetate fraction of sesewanua leaves Clerodendrum squamatum Vahl was then analyzed using KG SM 6 compounds were obtained with the following compound names; 3 hydroxy 4 methyl 2 pentanone; 3 hydroxyhexadecane 2 15 dione; 3 hydroxy 2 oxoheptadecanal; 9 12 15 Octadecatrienoic methyl ester; methyl linoleate and ethyl linoleate Sesewanua leaf extract Clerodendrum squamatum Vahl was able to reduce blood glucose levels in male white mice induced by HFD and streptozotocin < p>
Penggunaan Media Pembelajaran Kahoot Berbasis Game Based Learning Untuk Meningkatkan Hasil Belajar Siswa Pada Materi Ikatan Kimia
The purpose of this research is to determine student learning outcomes after using Kahoot learning media based on game based learning on chemical bonding material This research is quantitative research using the Quasi Experimental Design method with a Posttest Only Control Design This research was conducted in class XI IPA 2 and XI IPA 5 SMA Negeri 1 Airmadidi in the 2023 2024 academic year as an experimental class and a control class with 27 students each Data collection uses learning outcomes tests namely posttests after carrying out the learning process The research data obtained was the average value of student learning outcomes posttest in the experimental class was 73 81 and the control class was 62 70 Before carrying out the t test a normality and homogeneity test was first carried out it was found that the data was normally and homogeneously distributed The results of the t test obtained at the significant level = 0 05 namely tcount = 2 88 gt; ttable= 1 67 meaning that H0 is rejected and Ha is accepted where Ha is the average learning outcome of students who use Kahoot learning media based on game based learning which is greater than students who use lecture and assignment methods Thus it can be concluded that student learning outcomes in chemical bonding material increased after using the Kahoot learning media based on game based learning < em>< p>
Karakterisasi Asap Cair Hasil Pirolisis Limbah Potongan Rambut Manusia
Waste piece hair man is difficult decomposes in nature can pollute environment and influence fertility tana Because No can unraveled by microorganisms with fast Burning waste piece hair man produce toxic gases and impact for health human and environment For overcome problem special waste piece hair man so waste hair man shut up as fast Possible melt as fluid oil For characterization smoke liquid results pyrolysis use Equipment: a set of tools pyrolysis condenser bottles 40 liter glass glass Elemeyer scales analytical clamp pipette FTIR Spectrophotometer and GC MS goal _ For change waste piece hair man become smoke liquid through the pyrolysis process know component compound chemistry analyze FTIR and determine clusters function analyze GC MS nbsp; nbsp; characteristic chemistry Smoke liquid results pyrolysis waste piece Hair Man can be classified chemical compounds 1 methyl CAS Toluene 2 Phenol 4 methyl 3 2 4 imidazolidinedion 5 5 dimethyl 4 Sour hexanoate methyl ester< em>< p>
Pengaruh Penerapan Model Pembelajaran Discovery Learning Terhadap Hasil Belajar Siswa Pada Materi Stoikiometri di SMA Negeri 2 Tondano
Penelitian dalam skripsi ini didasari oleh hasil belajar siswa kelas X di SMA Negeri 2 Tondano pada materi stoikiometri yang dicapai masih di bawah KKM sekolah yaitu 75 Upaya untuk mengatasi hasil belajar siswa yang kurang maksimal tersebut yaitu dengan menggunakan model pembalajaran discovery learning< em> Tujuan penelitian ini adalah untuk mengetahui pengaruh penerapan model pembelajaran discovery learning < em>terhadap hasil belajar siswa pada materi stoikiometri di SMA Negeri 2 Tondano Penelitian ini dilakukan di SMA Negeri 2 Tondano pada bulan April Mei di semester genap 2022 2023 Penelitian yang dilakukan adalah penelitian kuantitatif dengan menggunakan desain eksperimen semu penelitian yang menggunakan dua kelompok ada kelompok eksperimen dan kelompok kontrol untuk mengetahui perbedaan yang signifikan antara kedua kelompok tersebut setelah perlakuan Sebelum dilakukan perlakuan siswa diberikan tes awal pretest< em> dan setelah dilakukan perlakuan siswa diberikan diberikan tes akhir posttest< em> Populasi dalam penelitian ini yaitu seluruh kelas X SMA Negeri 2 Tondano dan sampel terdiri dari 2 kelas yaitu kelas X A sebagai kelas eksperimen dan Kelas X B sebagai kelas kontrol masing masing berjumlah 27 orang Teknik pengumpulan data yang digunakan dalam penelitian ini yaitu menggunakan tes tes dalam hal ini pretest< em> dan posttest< em> Berdasarkan data hasil penelitian diperoleh hasil analisis uji t pada taraf nyata = 0 05 didapat : thitung< sub> = 4 87 dan ttabel< sub> = 2 0066 Jadi dapat disimpulkan bahwa terdapat perbedaan hasil belajar yang signifikan antara kelas yang menggunakan model pembelajaran discoveri learning< em> dengan kelas yang menggunakan pembelajaran konvensional< p>
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Hubungan persepsi Siswa Pada Penerapan Model Pembelajaran Argumentasi Ilmiah Dengan Hasil Belajar Kimia
Tujuan dari penelitian ini untuk mengetahui hubungan persepsi siswa pada penerapan Model Pembelajaran Argumentasi Ilmiah dengan hasil belajar kimia siswa Penelitian ini merupakan penelitian kuantitatif menggunakan metode pra eksperimen dengan desain one case study Penelitian ini dilaksanakan di SMA Negeri 7 Manado kelas XI K tahun ajaran 2023 2024 sebagai kelas eksperimen dengan jumlah 20 orang siswa Pengumpulan data menggunakan tes hasil belajar posttest setelah melaksanakan pembelajaran dan angket persepsi siswa setelah tes hasil belajar Hasil penelitian diperoleh nilai koefisien korelasi sebesar 0 685 dengan nilai koefisien determinan sebesar 46 92 Nilai thitung< sub> gt; ttabel < sub> 3 985 gt; 1 734 sehingga ada hubungan yang positif antara model pembelajaran argumentasi ilmiah dengan hasil belajar kimia siswa pada materi hidrokarbon < p>
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Pengaruh Model Project Based Learning PjBL Berbantu Lembar Kerja Know Want Learning KWL Terhadap Hasil Belajar Siswa di SMA Negeri 1 Airmadidi
Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan nbsp; model pembelajaran Project Based Learning PjBL berbantu lembar kerja Know Want Learning KWL nbsp; terhadap hasil belajar siswa pada materi ikatan kimia Jenis penelitian ini yaitu penelitian eksperimen Penelitian ini dilakukan pada kelas XI MIPA 4 sebagai kelas kontrol yang berjumlah 27 siswa dan kelas eksperimen XI MIPA 3 berjumlah 29 siswa Teknik pengumpulan data menggunakan tes hasil belajar siswa dengan instrumen tes pilihan ganda Hasil penelitian ini menunjukkan rata rata hasil belajar siswa pada kelas eksperimen = 94 48 sedangkan pada kelas kontrol = 70 19 Data dari hasil penelitian ini dianalisis dengan menggunakan statistik uji T pada taraf signifikansi 0 05 dan diperoleh Thitung < sub>= 13 95 dan Ttabel < sub>= 2 00 yang berarti dapat disimpulkan bahwa hipotesis diterima karena terdapat pengaruh setelah penggunaan model pembelajaran PjBL Berbantu lembar kerja KWL untuk meningkatkan hasil belajar peserta didik pada pokok bahasan ikatan nbsp; kimia kelas XI di SMA Negeri 1 Airmadidi < em>< p>
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Penerapan model pembelajaran Probing prompting untuk meningkatkan hasil belajar siswa pada materi ikatan kimia kelas XI di SMA Negeri 1 Remboken
Tujuan dari penelitian ini adalah untuk menganalisis perbedaan dari penerapan model pembelajaran Probing Prompting pada hasil belajar siswa di SMA Negeri 1 Remboken pada materi ikatan kimia tahun ajaran 2023 2024 Sampel pada penelitian ini yaitu peserta didik kelas XI Kimia B terdiri dari 13 peserta didik sebagai kelas kontrol dan XI Kimia A terdiri dari 13 peserta didik sebagai kelas eksperimen Teknik pengumpulan data menggunakan tes hasil belajar dengan instrumen tes berupa soal pilihan ganda Data hasil penelitian dianalisis menggunakan Uji t pada taraf signifikan 0 05 dan diperoleh hasil thitung = 2 80 gt; ttabel = 1 77 yang berarti uji hipotesisnya yaitu H0 ditolak dan H1 diterima Maka penggunaan model pembelajaran Probing Prompting pada materi ikatan kimia kelas XI mengalami peningkatan pada hasil belajar peserta didik yang didukung dengan rata rata nilai post test pada kelas eksperimen model Probing Prompting yaitu 82 30 sedangkan untuk kelas kontrol model konvensional yaitu 75 38 Dari hasil yang didapatkan maka dapat disimpulkan bahwa terdapat perbedaan antara kelas eksperimen dan kelas kontrol dimana kelas eksperimen menggunakan model pembelajaran Probing Prompting untuk meningkatkan hasil belajar peserta didik pada materi ikatan kimia < p>
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Pendekatan Model Pembelajaran Flipped Classroom Dengan Media Video Interaktif Untuk Meningkatkan Hasil Belajar Siswa Pada Materi Stoikiometri Di SMA Negeri 3 Manado
The purpose of this study was to improve student learning outcomes on stoichiometry by using a flipped classroom learning model with interactive video media at SMA Negeri 3 Manado The research conducted was a quantitative study using a quasi experimental design a study using two groups there was an experimental group and a control group to find out the significant difference between the two groups after treatment Prior to the treatment students were given an initial test pretest and after the treatment students were given a final test posttest The population in this study were all class X IPA SMA Negeri 3 Manado and the sample consisted of 2 classes namely class X IPA 1 as the experimental class and class X IPA 5 as the control class each consisting of 27 people The data collection technique used in this study is using a test the test in this case is the pretest and posttest Based on the research data the results of the t test analysis at the significance level = 0 05 were obtained: tcount = 4 87 and ttable = 2 0066 with the N Gain test for the experimental class of 0 65 and the control class 0 36 So it can be concluded that there are differences in student learning outcomes using the flipped classroom learning model with interactive video media on stoichiometry material at SMA Negeri 3 Manado < p>
Flipped Classroom, Stoichiometry, Interactive Video Media, Student..Outcomes
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peningkatan hasil belajar siswa dengan menerapkan model TGT teams games tournament pada materi hidrolisis garam di SMA Negeri 1 Kakas
Penelitian tindakan kelas ini didasari oleh rendahnya hasil belajar Kimia khususnya pada materi Hidrolisis Garam siswa di SMA Negeri 1 Kakas yang diakibatkan dari masih terdapat siswa yang tidak serius dalam mengikuti pembelajaran karena kegiatan pembelajaran yang dilakukan masih berfokus pada guru dan perhatian siswa masih teralihkan dengan hal hal diluar pembelajaran Penelitian ini bertujuan untuk meningkatkan hasil belajar siswa dengan menerapkan model pembelajaran kooperatif tipe TGT Teams Games Tournament Jenis penelitian nbsp; ini adalah penelitian tindakan kelas PTK dengan dua siklus pada siklus I dilaksanakan 3 kali pertemuan dan siklus II dilaksanakan sebanyak 2 kali pertemuan Setiap siklus terdiri dari: perencanaan pelaksanaan observasi dan refleksi Teknik pengumpulan data yang digunakan adalah observasi wawancara dan tes Hasil penelitian yang diperoleh peneliti menyimpulkan bahwa dengan menerapkan model pembelajaran kooperatif tipe TGT Teams Games Tournament dapat membuat suasana kelas menjadi menyenangkan sehingga hasil belajar siswa dari siklus I ke siklus II terdapat peningkatan sebesar 25 yang awalnya presentase ketuntasan pada posttest siklus I hanya mencapai 70 pada siklus II meningkat sehingga presentase ketuntasan menjadi 95 < p>
Salt Hydrolysis, TGT (Teams Games Tournament), Learning Outcomes
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Efektivitas Model Pembelajaran Contextual Teaching and Learning CTL Terhadap Hasil Belajar Siswa Pada Materi Asam Basa di Kelas XI MIPA SMA Negeri 1 Tompaso
Tujuan dari penelitian ini yaitu untuk mengetahui tentang efektivitas model pembelajaran Contextual Teaching and Learning CTL pada materi asam basa Penelitian ini dilakukan di kelas XI MIPA SMA Negeri 1 Tompaso pada tahun ajaran 2022 2023 Sebanyak 20 siswa kelas XI MIPA 2 ditetapkan sebagai sampel penelitian Penelitian ini menggunakan metode kuantitatif dengan desain one group pretest posttest Teknik pengumpulan data menggunakan tes hasil belajar dimana diberikan pretest disaat sebelum memberikan perlakuan dan posttest setelah diberikan perlakuan menggunakan model CTL Uji yang dilakukan adalah uji normalitas sebagai uji prasyarat dan uji hipotesis menggunakan uji Paired Sample T test serta n gain Hasil uji t test didapatkan thitung gt; ttabel 23 52 gt; 2 09 dapat disimpulkan untuk tolak H0 dan terima H1 Adapun hasil perhitungan untuk N gain score di peroleh nilai = 0 65 dengan kategori sedang dan presentase efektivitas diperoleh = 65 3 dengan kategori cukup efektif Temuan ini menunjukkan bahwa model pembelajaran CTL secara signifikan efektif dapat meningkatkan hasil belajar siswa pada materi asam basa kelas XI MIPA di SMA Negeri 1 Tompaso < p>
CTL Learning Model, Learning Outcomes, Acid-Base
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