FORMULASI SABUN PADAT MENGGUNAKAN VIRGIN COCONUT OIL, EKSTRAK DAUN SIRSAK DAN…

Penelitian ini bertujuan untuk mengetahui formulasi pembuatan sabun padat menggunakan Virgin Coconut Oil, ekstrak daun sirsak, dan minyak atsiri kulit jeruk manis (citrus sinensis L.) yang memenuhi standar nasional indonesia. Virgin coconut oil yang dibuat dengan metode enzimatis menghasilkan rendemen sebesar 27,6%. Maserasi daun sirsak menggunakan pelarut etanol 96% menghasilkan rendemen sebes…

PENGEMBANGAN E-LKM BERBASIS PROJECT BASED LEARNING PENGELOLAAN LABORATORIUM K…

This development research aims to produce Electronic Student Worksheet products based on Project Based Learning Chemical Laboratory Management that are valid, practical and effective. This research was conducted at the Chemistry Education Study Program of Sriwijaya University with the subject of chemistry education students who took the chemical laboratory management course in the 2024/2025 aca…

PENGARUH PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP HASIL B…

This research aims to determine the effect of applying the Problem Based Learning learning model on the learning outcomes of class X students on the Periodic System of Elements material. This research was carried out at SMA Negeri 1 Indralaya in November of the 2024/2025 academic year. The research method used was quasi-experimental with a nonequivalent control group design. The variables in th…

PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS PROJECT BASED LEARNIN…

This research aims to produce a Student Worksheet (LKPD) based on Project Based Learning redox material for grade XII high school that is valid, practical, and effective. The research method used is development research with a modified Rowntree development model with Tessmer's formative evaluation. The subject of this study is students of class XII.5 SMA Negeri 6 Prabumulih. The results of the …

PENGARUH LKPD BERBASIS PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR SISWA PA…

This research aims to determine the effect of problem based learning LKPD on student learning outcomes in class X high school atomic structure material. This research was carried out at SMA Negeri 1 Indralaya in the 2023/2024 academic year. The research method used was an experiment with a Quasi Experimental design in the form of a nonequivalent control group design. The sampling technique used…

FORMULASI EKSTRAK ETANOL DAUN SIRSAK (ANNONA MURICATA) DAN DAUN BUNGUR (LAGER…

Soursop leaves (Annona muricata) and bungur leaves (Lagerstroemia speciosa) are tropical plants that have long been used in traditional medicine for various health conditions such as antidiabetes. This study aims to obtain the optimal combination formulation of soursop (Annona muricata) and bungur (Lagerstroemia speciosa) leaf extracts as antidiabetic activity in vitro. The yield of 70% ethanol…

ANALISIS BERPIKIR KRITIS PESERTA DIDIK DALAM MENYELESAIKAN SOAL HOTS MATERI S…

Critical thinking ability is a necessary ability in the super smart society 5.0 era which plays an important role in improving the quality of human resources. Critical thinking is included in the design of 21st century learning skills that are relevant to the demands of the Independent Learning Curriculum. Students' critical thinking skills can be trained by providing HOTS (Higher Order Thinkin…

PENGEMBANGAN E-LKPD MATERI STRUKTUR ATOM BERBASIS SCIENCE, TECHNOLOGY, ENGINE…

Penelitian ini dilatarbelakangi oleh keterbatasan bahan ajar yang hanya berbentuk media cetak, sehingga pembelajaran menjadi monoton dan kurang menarik bagi peserta didik. Tujuan dari Penelitian ini adalah menghasilkan e-LKPD yang valid, praktis, dan efektif pada materi struktur atom berbasis Science, Technology, Engineering and Mathematic (STEM) di SMA Srijaya Negara. Penelitian ini merupakan …

PENINGKATAN AKTIFITAS SEMIKONDUKTOR ZnO DENGAN SENYAWA FERIT UNTUK APLIKASI F…

Penelitian ini bertujuan mendapatkan kondisi optimum pengolahan air limbah tekstil menggunakan semikonduktor ZnO yang dimodifikasi dengan senyawa ferit (NiFe 2 O 4 , MnFe 2 O 4 , Fe 3 O 4 ) dengan metode kopresipitasi dan mendapatkan satu nanokomposit dan rasio ZnO:senyawa ferit yang dapat mendegradasi dengan efektif zat warna metilen biru (MB). Adapun variasi rasio mol ZnO:senyawa ferit yaitu …

ANALISIS ION LOGAM BERAT KROMIUM PADA AIR DI SUNGAI GASING MENGGUNAKAN METODE…

Air sungai dapat mengandung berbagai logam berat salah satunya yaitu Cr. Penelitian ini bertujuan untuk menentukan distribusi serta kadar konsentrasi Cr dalam air sungai gasing menggunakan metode Spektofotometri Serapan Atom (SSA). Selain itu juga menentukan analisis lapangan pada beberapa parameter yaitu suhu, kecepatan arus, pH dan DO. Penelitian ini diawali dengan pengambilan sampel air pada…

Chemistry

Edition

8

ISBN/ISSN

0-13-010310-1

Collation

xvii

Series Title

Chemistry The Central Science

Call Number

541.2 Bro c

COMPREHENSIF INORGANIC CHEMISTRY: PRINCIPLES OF ATOMIC AND MOLECULAR STRUCTUR…

Edition

-

ISBN/ISSN

-

Collation

xi, 232 p. : ill, ; 24 cm

Series Title

-

Call Number

546.3 Sne c

PENUNTUN BELAJAR KIMIA DASAR: STOIKIOMETRI ENERGETIKA KIMIA

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