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All Journal Jurnal Penelitian Pendidikan Journal of Natural Sciences and Mathematics Research Jurnal Pendidikan Kimia FKIP Universitas Halu Oleo Jurnal Tadris Kimiya Jurnal Manajemen Pendidikan PAEDAGOGIA Walisongo Journal of Chemistry Hydrogen: Jurnal Kependidikan Kimia
Anita Fibonacci
Universitas Islam Negeri Walisongo Semarang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Education Materials Science & Nanotechnology Physics

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Sintesis Alkohol Dari Limbah Nangka (Artocarpus heterophyllus) sebagai Campuran Bahan Bakar Minyak (Biofuel) Anita Fibonacci
Walisongo Journal of Chemistry Vol 2, No 1 (2019): Walisongo Journal of Chemistry
Publisher : Department of Chemistry Faculty of Science and Technology Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/wjc.v2i1.4043

Abstract

Peningkatan akan kebutuhan energi terus meningkat seiring berjalannya waktu, namun peningkatan kebutuhan energy yang terjadi menimbulkan dampak semakin menipisnya pasokan ketersediaan bahan bakar fosil yang notabene merupakan sumber daya alam yang tak terbarui, disisi lain banyak limbah buah nangka (Artocarpus heterophyllus) yang sebenarnya berpotensi untuk diolah sebagai biofuel. Penelitian ini bertujuan untuk menghasilkan alkohol dari limbah nangka (Artocarpus heterophyllus) melalui proses fermentasi menggunakan saccharomyces cereviseae. Limbah buah nangka dimanfaatkan sebagai campuran bahan bakar minyak berbasis bahan dari biomassa (biofuel). Proses pembuatan alcohol dari limbah buah nangka diawali dengan pembuatan starter, medium fermentasi, proses fermentasi hingga mendapatkan alkohol dilanjutkan dengan proses pemurnian dengan cara destilasi. Analisis kadar alkohol dilakukan dengan metode berat jenis. Hasil penelitian menunjukkan bahwa alkohol yang dihasilkan dari limbah buah nangka (Artocarpus heterophyllus) adalah 20 % dengan waktu fermentasi 12 hari.
Identification of Student Conceptions on the Molecular Structure of Organic Compounds Using Question Hulyadi Hulyadi; Muhali Muhali; Anita Fibonacci
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 3 (2023): June 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i3.8135

Abstract

The atoms that make up organic molecules are carbon (C), hydrogen (H), oxygen (O), nitrogen (N), phosphorus (P), sulfur (S), and several other elements such as chlorine (Cl), bromine (Br), and iodine (I). The characteristics of the constituent organic molecules are important to study in order to understand the reactions and transformations in the synthesis of organic compounds. The weak conception of students about the characteristics of the constituent elements of organic compounds causes most students to experience difficulties in studying the structure of organic compounds. The purpose of this study was to find out the strengths and weaknesses of students' conceptions in understanding the molecular structure of organic compounds. This research is a quantitative descriptive research. The population of the study was 20 chemistry education students taking the basics of determining the structure of organic compounds. Samples were selected proportionally to the most. The instrument used is a description test designed in the form of a question mapping. The data obtained is then described in tables and graphs. The results showed that most of them were able to determine the types of atoms and bonds formed. Most students have not been able to explain the characteristics of the atoms that make up organic compounds and the subatomic characters that make up the atoms. Technology is needed that can visualize organic molecules at the atomic and subatomic levels to be able to build stronger student conceptions.
EXPLORING THE DIGITAL LEARNING MATERIALS NEEDS OF CHEMISTRY PRE-SERVICE TEACHERS ON FIQH AL BIAH AND SUSTAINABILITY - A CASE STUDY OF EARLY SEMESTER STUDENTS Anita Fibonacci; Yusi Riksa Yustiana; Ida Kaniawati
JURNAL MANAJEMEN PENDIDIKAN Vol 8, No 2 (2023): JURNAL MANAJEMEN PENDIDIKAN
Publisher : STKIP Pesisir Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34125/jmp.v8i2.1260

Abstract

This research aimed to explore the need for digital learning materials, focusing on the analysis of chemistry pre-service teachers' needs regarding digital chemistry learning materials integrated with fiqh al biah and sustainability issues. The study employed a qualitative research design, utilizing a case study approach with early semester students enrolled in basic chemistry courses as the research subjects. Research instruments used in this study included interview protocols, questionnaires, observation guidelines, and recording devices. The research findings indicated that (a) students perceived the existing learning resources as insufficient in raising environmental awareness; (b) students expected learning materials that could help them engagingly overcome misconceptions, featuring visually appealing elements, such as videos, animations, and colorful visuals, to enhance motivation in learning; (c) misconceptions were identified among early semester students; (d) the lack of submicroscopic visualization in traditional learning materials contributed to misconceptions, which could be addressed through three-dimensional digital learning materials; (e) students faced challenges in learning chemistry due to the abundance of formulas, symbols, and memorization requirements; (f) students expressed a need for additional class sessions to adequately cover the subject matter; and (g) visual learning dominated among early semester students in the field of chemistry education. Based on the research findings, the recommendation was to develop engaging and interactive digital learning materials.
Co-Authors Alawiyah, Nur Atik Rahmawati Azizati, Zidni Dinda Habba Kamaliya Dini Lestari, Dini Fajar Naqsyahbandi Hulyadi, Hulyadi Ida Kaniawati Jajang Muhariyansah Kamaliya, Dinda Habba M. Muhali Mayang Larasati Merdiana Dyah Safitri Miftahul Ulum R. Arizal Firmansyah Rais Nur Latifah Teguh Wibowo Tomi Wahyudi Yusi Riksa Yustiana, Yusi Riksa Zidni Azizati Zidni Azizati