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All Journal Jurnal Pendidikan Kimia Indonesia ELT Worldwide: Journal of English Language Teaching Jurnal Pendidikan dan Pembelajaran Kimia (JPPK) Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Akademika Kimia Indonesian Journal of Chemistry Dinamisia: Jurnal Pengabdian Kepada Masyarakat Pendas : Jurnah Ilmiah Pendidikan Dasar Jurnal Politik dan Pemerintahan Daerah Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Jurnal Akuntansi & Perpajakan Jayakarta JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Journal of Applied Science, Engineering, Technology, and Education Journal of Educational Chemistry (JEC) Jurnal Pengabdian kepada Masyarakat Nusantara Mattawang: Jurnal Pengabdian Masyarakat Panrannuangku Jurnal Pengabdian Masyarakat NUSRA: Jurnal Penelitian dan Ilmu Pendidikan Jurnal Akademika Kimia JURNAL PENELITIAN BIDANG PENDIDIKAN Edu Research : Jurnal Penelitian Pendidikan Tamaddun Innovative: Journal Of Social Science Research RESPON Jurnal Ilmiah Mahasiswa Ilmu Komunikasi AGROLAND: The Agricultural Sciences Journal Jurnal Akademika Kimia PIAF : Paser Institute Journal Of Accounting And Finance Kajian Ilmiah Mahasiswa Administrasi Publik (KIMAP)
Sitti Rahmawati
Program Studi S-1 Pendidikan Kimia, FKIP, Universitas Tadulako
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Effectiveness of Implementing the Lithium Application (Epub Reader) to Reduce Misconceptions on Chemical Equilibrium Material Dian Rani Minggus; Afadil Afadil; Sitti Rahmawati; Vanny M.A. Tiwow
Journal of Educational Chemistry (JEC) Vol. 7 No. 2 (2025)
Publisher : Department of Chemistry Education, Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2025.7.2.20042

Abstract

Effectiveness in learning is the achievement of a learning process appropriate and in line with the learning objectives that have been designed, where this success can be achieved because there is a reciprocal relationship between students and educators when learning takes place so that it is able to increase students' interest in participating of learning. The aim of this research is to test the effectiveness of applying the Lithium application to reduce students' misconceptions about Chemical Equilibrium material. The type of research used in this research is research and development (R&D). Research and development is a process carried out to produce a particular product and test the effectiveness of the resulting product. Based on the results of the pretest and posttest for experimental class 1 and experimental class 2, the average percentage results for reducing students' misconceptions in the Chemical Equilibrium material using the Lithium application were 18.3% and 19.4%, respectively. With the N-Gain score level for experimental classes 1 and 2 respectively 0.70 and 0.71 in the High category, while the interpretation of the effectiveness of the N-Gain score for each experimental class is 70.04% and 70, respectively 58% are in the Fairly Effective category.
Effectiveness of Biochar from Kapok Fruit Peel (Ceiba pentandra) for Decolorization of Indigosol Blue in Water Iim E. Putra; Mery Napitupulu; Daud K. Walanda; Sitti Rahmawati
Jurnal Akademika Kimia Vol. 14 No. 4 (2025)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

In the batik industry, synthetic dyes such as indigosol blue are more commonly used than natural dyes. However, water pollution resulting from the batik industry is a serious issue that can threaten water quality and be harmful to human health. This research uses the adsorption method with kapok fruit peel as the adsorbent to address the problem of Indigosol blue dye. The kapok fruit peel is pyrolyzed at temperatures of 400 °C, 450 °C, and 500 °C. This study aims to determine the effectiveness of kapok fruit peel biochar in the adsorption of indigosol blue dye with variations in weight, time, and pH. The results show that the characteristics of kapok fruit shell biochar include moisture content at temperatures of 400 °C, 450 °C, and 500 °C, which are 7.40 %, 6.40 %, and 5.20 %, respectively. The ash content of kapok fruit shell biochar at temperatures of 400 °C, 450 °C, and 500 °C was 8.70 %, 6.10 %, and 5.40 %, respectively. The maximum weight of kapok fruit shell biochar in absorbingindigosol blue dye was 75 mg with an adsorption capacity of 0.986 mg/g. The maximum contact time required was 40 minutes with an adsorption capacity of 0.626 mg/g. The maximum pH of indigosol blue dye in the adsorption process occurred at pH 7 with an adsorption capacity of 1.709 mg/g. These findings indicate that kapok fruit shell biochar has potential as an environmentally friendly alternative adsorbent for treating batik industry wastewater.
Co-Authors Adjis, Moh. Asril Afadil Afadil Afadil Afadil Afadil Afdhalia, Vira Agustin Tiwow Agustina, Rizza R. T. Ahdan, Ahdan Ahdiat, Mohammad Ahmar, Ansari Saleh Akidah, Ihramsari Aldi F. Uke Alfina D. A. Dasi Alifa, Nur Alimuddin, Chatifah Anam, Chaerul Anang Wahid M.Diah Andi Pertiwi Damayanti Andi Saifah Anggriani, Windi Arwansyah Arwansyah Arwansyah Arwansyah Asmita, Asmita Astija Awaru, Tenri Ayu, Ari Azzajjad, Muhammad Fath Bachtiar, Nurhalizah Baharuddin Hamzah Baharuddin Hamzah Basoa, indah Ekawati Bunbun Bundjali Cynthia Linaya Radiman Dandi Darsikin Daud K. Walanda Daud Karel Walanda Detris Poba Detris Poba Dewi S. Ahmar Dewi Salmita Dewi Satria Ahmar Dia Afrianti Sangkota, Vivi Dian Rani Minggus Dinda Ulan Daini Dr. Idris, S.S., M.Hum Dr. Muhammad Asdar, M.Pd. Eka Andani , Siti Nur Fatmawati, Fatmawati Fuad, Fawwas Roihan Giska Ulya Hadawiah, Hadawiah Haerani Maksum Halida, Nur Hasfat, Hamsar Hasriyanty Hasriyanty Hengki Abram, Paulus Ifriana, Ifriana Iim E. Putra Ijirana Indah Sari, Nurul Irwan Irwan Jamaludin M Sakung Johanis Panggeso Jumadil, Jumadil Kasmudin Mustapa Kumala Putri P, Andi Sri Linawati Linawati Magfirah Magfirah Magfirah Magfirah Magfirah Magfirah Magfirah, Magfirah Majid, Abd Male, Kasmir Sy. Manalu, Yessi Febianti Mery Napitupulu Mery Napitupulu Metoli, Erwin Priscal Muhamad Abdulkadir Martoprawiro Muhammad Arham Muhammad Fakhrul Hardani Muhammad Yunus Muhammad Zikra Musdalifa Nadi, Luh Novita Sari Nur Anisa Nur Azizah Nur Hayati Nurbaya Nurbaya, Nurbaya Parmin - Pathuddin Patmasari, Andi Paulus Hengky Abram Purnama Ningsih Purnama, Ningsih Pusvita , Arwini Rabasia Rabiah, Sitti Ririen Hardani Rofifah Marzuki, Nur Rosmini Rosmini S, Afadil S. Ahmar, Dewi Sanggona, Nadya Marsyella Sangkota, Vivi Dia A. Sangkota, Vivi Diah Sari, Nurita Sari, Nurul Indah Selvy Mozin Siang Tandi Gonggo Siti Nuryanti Siti Nuryanti Sitti Aminah Sitti Nuryanti Sri Anjar Lasmini Sri Hastuti Virgianti Pulukadang Sri M. Sabang Sri Muliani, Sri Sri Sarjuni Sriyulaningsi Sriyulaningsi Sufia, Sufia Suherman Suherman Suherman Suherman, Suherman Suhestin Mooduto Sukmawati Putri , Iin Tahril Tandi, Asri Taslima Thaha, KHaeruddin Tonio, Sarinah Emilia Tri Santoso Tri Santoso U.B., Sitti Nadira Umar Mansyur Ummiani Hatta Unggul Wahyono Usman Made Vanny M.A. Tiwow Vivi D. A. Sangkota Wafiq Azizah Wahab, Zamil Wahda Nur Alisa Winda Winda Yuana Stesya Palunsu Yuli Nurmayanti Yuyun Elfrina Manjarara Zelfia