Vol 10, No 2 (2018)

August 2018

Table of Contents

Articles

Mapping learning difficulties in general chemistry course
Asyti Febliza, Putri Ade Rahma Yulis
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372-376
The differences of students learning outcome with numbered head together (NHT) and think pair share (TPS) in atomic structure
Feri Andi Syuhada
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377-381
The optimization of acid hydrolysis on bioethanol production from durian peel waste (Durio zibethinus murr)
Shanta Noventhya Ginting, Epi Kristina Simanullang, Lindu Parningotan Simanullang, Bajoka Nainggolan, Saronom Silaban
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382-386
Optimization of Indonesia biodiesel production from rubber seed oil using natural zeolite modification
Junifa Layla Sihombing, Ahmad Nasir Pulungan, Poppy Lindawati, Adittiya Prayoga, Intan Ayu Safitri, Clara Nur Wandani, Lastri Anita Silitonga, Ambarwati Ambarwati, Puji Prayugo, Ary Anggara Wibowo
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387-392
Development of chemical practice guides class xi project based to improve student’s chemical learning outcomes on acid base materials
Bajoka Nainggolan, Ita Sri Apika Pinem, Wesly Hutabarat
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393-396