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12  Articles
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Penelitian ini bertujuan untuk mengetahui potensi triptamin sebagai antioksidan untuk gasoline serta pengaruhnya terhadap sifat fisik gasoline. Metode yang digunakan yaitu menguji aktivitas antioksidan melalui uji periode induksi dan massa gum, sedangkan ... see more

Penelitian mengenai optimasi konsentrasi katalis CaO dari cangkang kerang hijau (Perna viridis) dalam reaksitransesterifikasi minyak biji karet (Hevea braziliensis) telah dilakukan. Penelitian ini bertujuan untuk mendapatkankonsentrasi katalis CaO optimum... see more

This study aims to determine the effect of the application of  cooperative learning models type Group Investigation based ICT on students' communication skills. This research was conducted with quantitative methods. The sampling technique uses purpos... see more

This study aims  to determine of learning result in Guided Inquiry based SETS for buffer solution. The research conducted was SMA 55 Jakarta carried in 3th of April to 24th of Mar 2017. The study used purposive sampling technique,  from three cl... see more

 This study aims to determine the effect of the application of  REACT Strategies (Relating, Experiencing, Applying, Cooperating, Transfering) to the learning outcomes of students on Acid and Base material. This research was conducted in January-... see more

The research was conducted in FMIPA (Mathematics and Science Faculty) from UNJ on Chemistry Education Program with the objective to increase the quality of Organic Chemistry Learning, Research being done is Class Action Research.. Test result of initial c... see more

The interest of students in learning chemistry is one of the factors that increases the learning process that can be improved through Learning Cycle 5e learning and the use of mystery topics in learning. Therefore the purpose of this study is to analyze t... see more

AbstrakPenelitian ini bertujuan untuk mengetahui waktu reaksi optimum pembuatan biodiesel dari ulat jerman (Zophobas morio L.) menggunakan katalis H2SO4 dengan metode transesterifikasi langsung. Variasi yang dilakukan adalah waktu reaksi 8, 12, 16, dan 20... see more

AbstrakPenelitian ini bertujuan untuk menentukan kondisi optimum pembuatan biodiesel dari minyak biji alpukat melalui proses transesterifikasi langsung. Variasi yang digunakan pada penelitian ini adalah variasi waktu reaksi 8, 12, 16 dan 20 jam serta vari... see more

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