The effect of the application of the think talk write model and self-efficacy on students' critical thinking ability in the material reaction rate in SMA Adhyaksa 1 Jambi city
Authors: Intan Aulia Sari | Chemistry Education, Magister Program, Faculty of Education and Teacher Training, Jambi University, Jambi 36361, Indonesia | Haryanto Haryanto | Yusnaidar Yusnaidar | Department of Chemistry Education, Jambi University, Jambi 36361, Indonesia | Department of Chemistry Education, Jambi University, Jambi 36361, Indonesia
|
The effectiveness of modified flip-based argumentation learning in improving students’ argumentation skills about hydrocarbon
Authors: Agustiningsih Agustiningsih | Chemistry Education Study Program, Postgraduate, Jambi University, Jambi 36361, Indonesia | Ngatijo Ngatijo | Muhammad Haris Effendi-Hasibuan | Department of Chemistry Education, Jambi University, Jambi 36361, Indonesia | Department of Chemistry Education, Jambi University, Jambi 36361, Indonesia
|
|
Student worksheet oriented on science, technology, engineering, and mathematics (STEM) with PjBL model on acid base matter by using natural product
Authors: Imtikhana Nur Khofifah | Department of Chemistry, Faculty of Mathematic and Natural Sciences, Universitas Negeri Surabaya, 60231, Indonesia | Mitarlis Mitarlis | Department of Chemistry, Faculty of Mathematic and Natural Sciences, Universitas Negeri Surabaya, 60231, Indonesia
|
Development of guided inquiry based modules to improve learning outcomes and metacognition skills of student
Authors: Intan Pratiwi | Masters in Chemical Education, Postgraduate, Universitas Negeri Medan, Medan 20221, Indonesia | Ismanisa Ismanisa | Asep Wahyu Nugraha | Masters in Chemical Education, Postgraduate, Universitas Negeri Medan, Medan 20221, Indonesia | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia
|
Self-efficacy assessment in chemistry learning: Development and validation using confirmatory factor analysis
Authors: Jajang Muhariyansah | Masters of Chemistry Education, Universitas Negeri Yogyakarta, Yogyakarta 55281, Indonesia | Hari Sutrisno | Fajar Naqsyahbandi
|
Penerapan model pembelajaran kooperatif tipe stad untuk meningkatkan ketuntasan belajar siswa pada pokok bahasan termokimia
Authors: Fauziah , | Guru Kimia, Madrasah Aliyah Negeri 2 Model, Medan-Indonesia
|
Temperature effect on expression of recombinant human prethrombin-2 in Escherichia coli BL21(DE3) ArcticExpress
Authors: Saronom Silaban | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia | Murniaty Simorangkir | Shabarni Gaffar | Iman Permana Maksum | Toto Subroto | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia | Department of Chemistry, Universitas Padjadjaran, Jatinangor, Indonesia | Department of Chemistry, Universitas Padjadjaran, Jatinangor, Indonesia | Department of Chemistry, Universitas Padjadjaran, Jatinangor, Indonesia
|
An ab initio study of the reaction mechanism of 2-methylbenzaldehyde acetalization with methanol
Authors: Muhammad Yusuf | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia | Ahmad Kamil Nasution | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia
|
Iron Fortification and bioavailibility of homemade tempeh with sesame seed
Authors: Fauzan Amin | Department of Chemistry, Sekolah Tinggi Analis Kimia Cilegon, Cilegon-42616, Indonesia | Micha Mahardika | Dianastya Yuniarti | Department of Chemistry, Sekolah Tinggi Analis Kimia Cilegon, Cilegon-42616, Indonesia | Department of Chemistry, Sekolah Tinggi Analis Kimia Cilegon, Cilegon-42616, Indonesia
|
Analysis of BOD and COD levels for home industry wastewater: A case study in a sewage streams
Authors: Nelius Harefa | Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Kristen Indonesia, Jakarta 13630, Indonesia | Arifman Gulo | Saronom Silaban | Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Kristen Indonesia, Jakarta 13630, Indonesia | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia
|
Learning buffer solution based on virtual lab in senior high school
Authors: Gulmah Sugiharti | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia | Aldhi Kurnia | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia
|
Discovery learning model to optimize students’ critical thinking skills on hydrocarbon material
Authors: Tesa Lonika Yuniawati | Department of Chemistry Education, Faculty of Education, Pelita Harapan University, Tangerang 15811, Indonesia | Friska Juliana Purba | Department of Chemistry Education, Faculty of Education, Pelita Harapan University, Tangerang 15811, Indonesia
|
Perbandingan Nanokristal Titanium Dioksida Metode Hidrotermal dengan P25 Degussa untuk Uji Fotokatalitik Arsenik
Authors: Diana Rakhmawaty E | Departemen Kimia, Fakultas MIPA, Universitas Padjadjaran, Bandung-Indonesia | Astri Aldelina | Atiek Rostika N | Departemen Kimia, Fakultas MIPA, Universitas Padjadjaran, Bandung-Indonesia | Departemen Kimia, Fakultas MIPA, Universitas Padjadjaran, Bandung-Indonesia
|
Determination antioxidant activities methanol extracts of bangun-bangun (Coleus amboinicus L.) Leaves with DPPH method
Authors: Kasta Gurning | Department of Pharmacy, Sekolah Tinggi Ilmu Kesehatan Senior Medan, Medan, Indonesia
|
Synthesis and characterization of reduced graphene oxidation from corn cob waste
Authors: Dyah Suci Perwitasari | Department of Chemical Engineering, Faculty of Engineering, Universitas Pembangunan Nasional ”Veteran” Jawa Timur, Surabaya 60249, Indonesia | Adinata Shafi Wahyudi Suwarno | Muhammad Nauli Rizqi Akbar | Department of Chemical Engineering, Faculty of Engineering, Universitas Pembangunan Nasional ”Veteran” Jawa Timur, Surabaya 60249, Indonesia | Department of Chemical Engineering, Faculty of Engineering, Universitas Pembangunan Nasional ”Veteran” Jawa Timur, Surabaya 60249, Indonesia
|
Development of chemical element practical workbook based on projects and characters for class xii senior high school
Authors: Bajoka Nainggolan | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia | Martin Simamora | Wesly Hutabarat | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia
|
|
Antibacterial activity test of Simargaolgaol (Aglaonema modestum Schott ex Engl) leaves extract against Escherichia coli and Salmonella typhi bacteria
Authors: Tiurma Solomasi Zega | Chemistry Study Program, Universitas Negeri Medan, Medan 20221, Indonesia | Putri Mandaoni Pakpahan | Rahmayani Siregar | Givinda Sitompul | Saronom Silaban | Chemistry Study Program, Universitas Negeri Medan, Medan 20221, Indonesia | Chemistry Study Program, Universitas Negeri Medan, Medan 20221, Indonesia | Biology Education Study Program, University Negeri Medan, Medan 20221, Indonesia | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia
|
Application of learning model with virtual lab and motivation in learning chemistry
Authors: Gulmah Sugihari | Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Negeri Medan, Medan-Indonesia | Eva Rofinta Limbong | Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Negeri Medan, Medan-Indonesia
|