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All Journal Fullerene Journal of Chemistry Oxygenius Journal Of Chemistry Education
I Dewe Ketut Anom
Universitas Negeri Manado
Chemistry Education

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Karakterisasi Asap Cair Hasil Pirolisis Sampah Styrofoam Dengan Katalis Zeolite Olke Wisje Lumingkewas; I Dewe Ketut Anom; Ardi Kapahang
Jurnal Kimia Fullerene Vol 6 No 2 (2021): Fullerene Journal of Chemistry
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/fjc.v6i2.351

Abstract

The purpose this achieved in this research is 1.To get a few percent of liguid smoke products acquired from the pyrolysis of Styrofoam waste. 2.To know the effect of using zeolite in the waste pyrolysis process styrofoam to the speed of formation of liquid smoke product .3. To characterize the physical and chemical properties of liquid smoke from pyrolysis of syrofoam wast. The research method used to convert Styrofoam waste into liquid smoke is the pyrolisis method. For characterize of liquid smoke from pyrolysis using equipment: a set of pyrolysis tools, Fenske Viscometer Oswald, Picnometer, Boilling Point Meter and a set of KG-SM alloy. The results showed that the pyrolysis of 100 grams of Styrofoam wa ste using zeolite catalyst produced an average of 69,33% liquid smoke whereas the pyrolysis of Styrofoam waste without using a catalyst produces average 61,67 % liquid smoke. Time and temperature of pyrolysis have the same influence, the higher value, the more liquid smoke is produced. the length of ime for pyrolysis of styrofoam waste uing zeolite catalyst laste for 4,5 hours, while the pyrolysis of Styrofoam without a catalyst laste for 3,5 hours. Based of the physical ang chemical properties of liquid smoke, the pyrolysis of Styrofoam waste using a catalyst or without using a catalyst can both be classified into gasoline.
Pengaruh Model Pembelajaran Problem Based Learning Pada Materi Sistem Koloid Terhadap Hasil Belajar Kimia Siswa Kelas XI MIA di SMA Negeri 1 Lirung Yeni Gerice Awawangi; I Dewe Ketut Anom; Meyti Jeanne Rampe
Oxygenius Journal Of Chemistry Education Vol 3 No 1 (2021): Oxygenius: Journal of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/ojce.v3i1.221

Abstract

Problem based lerning is a learning model that involves students to solve a problem through the stages of the scientific method so that students can learn knowledge related to the problem and at the same time have the skills to solve the problem. This research aims to determine the effect of the Problem based lerning learning model. on student learning outcomes. The research was conducted at SMA Negeri 1 Lirung in the 2018/2019 academic year. The population was all classes in SMA Negeri 1 Lirung with a sample of class XI MIA 2 and class XI MIA 3 as an experimental class of 20 students. With the research design Posttest Only Control Design with the True Experimental method. The results of the calculation of the test (t) the mean similarity of the two parties obtained tcount (4.406) and ttable 2.002 at the level of α = 5%. This shows that the value of t is greater than t table, so the hypothesis Ho is rejected and Ha is accepted, so it can be concluded that there is a significant influence on the problem-based lerning learning model on student learning outcomes of Chemistry at SMA Negeri 1 Lirung.
Pengaruh Metode Pembelajaran Mind Mapping terhadap Hasil Belajar pada Pokok Bahasan Hukum-Hukum Dasar Kimia Siswa Kelas X Semester Ganjil di SMA Negeri 2 Langowan Frindly Makarawung; I Dewe Ketut Anom; John Lombok
Oxygenius Journal Of Chemistry Education Vol 1 No 2 (2019): Oxygenius : Journal of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (461.152 KB) | DOI: 10.37033/ojce.v1i2.119

Abstract

This research aims to determine the effect of mind mapping learning methods on the basic laws of chemistry toward learning outcomes of students of class X MIPA in SMA Negeri 2 Langowan. The sample used in this study were all students of class X MIPA of SMA Negeri 2 Langowan. This research uses an experimental method, with the research method used is Quasi Experiment with Nonequivalent Control Group Design design. The research data were obtained from post-test results. Obtained the average value of student learning outcomes Experiment class is 85. The results showed the value of tcount = 15.7> ttable = 2.21, so H0 was rejected and H1 was accepted. Based on the results of the research it can be concluded that there is an influence on student learning outcomes on the basic laws of chemistry using mind mapping learning methods.
Pengaruh Model Pembelajaran Kooperatif Tipe Jigsaw Disertai Praktikum Terhadap Hasil Belajar Pada Materi Sifat Koligatif Larutan Di SMA Negeri 1 Tondano Yohana Tandi; Sanusi Gugule; I Dewe Ketut Anom
Oxygenius Journal Of Chemistry Education Vol 2 No 2 (2020): Oxygenius : Journal of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/ojce.v2i2.168

Abstract

Tujuan dari penelitian tersebut ialah untuk dapat mengetahui pengaruh pembelajaran kooperatif tipe jigsaw disertai praktikum terhadap hasil belajar pada materi sifat koligatif larutan. Penelitian ini dilaksanakan di SMA Negeri 1 Tondano pada tahun ajaran 2019/2020 dengan menggunakan metode penelitian eksperimen dengan desain post-test only control design. Sampel yang digunakan sebanyak 22 siswa kelas eksperimen dan 22 siswa kelas kontrol. Teknik pengumpulan data diperoleh melalui instrumen tes hasil belajar sebanyak 20 butir soal objektif yang kemudian dianalisis menggunakan uji-t. Hasil penelitian menunjukkan bahwa pada taraf signifikan 0,05 diperoleh data hasil belajar thitung lebih besar dari ttabel yaitu 4,087 > 2,018. Hal ini menunjukkan bahwa terdapat pengaruh model pembelajaran kooperatif tipe jigsaw disertai praktikum terhadap hasil belajar pada materi sifat koligatif larutan.
Pengaruh Pendekatan Konstruktivisme Berbasis Learning Cycle 5E Terhadap Hasil Belajar Siswa Kelas Xi Pada Materi Larutan Penyangga Di Sma Kristen Kotamobagu Fina Hamise; I Dewe Ketut Anom; Jeanne Tuerah
Oxygenius Journal Of Chemistry Education Vol 1 No 2 (2019): Oxygenius : Journal of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (394.484 KB) | DOI: 10.37033/ojce.v1i2.79

Abstract

This study aims to determine the effect of using the constructivist approach based on the 5E learning cycle on the learning outcomes of class XI students on buffer solutions. This research was conducted in classes XI IPA 1 and XI IPA 2 of Kotamobagu Christian High School. The method used is an experimental method with a post – test only control design. The research sample consisted of 23 randomly selected students. The experimental class uses the 5E learning cycle model, the control class uses conventional learning. Student learning outcomes data obtained from post-test scores. The analysis of research data shows that there are differences in student learning outcomes, which are taught using the 5E learning cycle model and those using conventional learning. The data analysis used the t-test with a significance level of α = 0.05. Statistical analysis of student learning outcomes obtained tcount> ttable or 4.90> 1.68. So it can be concluded that there are differences between student learning outcomes using the constructivism approach based on the 5E learning cycle and student learning outcomes using conventional learning.
Co-Authors Ardi Kapahang Fina Hamise Frindly Makarawung Jeanne M. Tuerah John Lombok Meyti Jeanne Rampe Olke Wisje Lumingkewas Sanusi Gugule Yeni Gerice Awawangi Yohana Tandi