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THE EFFECT OF APPLICATION OF 5E LEARNING CYCLE MODEL COMBINED NUMBERED HEAD TOGETHER (NHT) TOWARD CHEMISTRY LEARNING OUTCOMES ON THE SUBJECT OF SALT HYDROLYSIS IN XI SCIENCE STUDENTS AT SENIOR HIGH SCHOOL YOT 1 TANAH 2014/2015
(International Seminar Chemistry Education Faculty of Teacher Training and Education Mulawarman University, 2015-04)
This study aims to determine the effect of application of 5E learning cycle model combined numbered head together (NHT) toward chemistry learning outcomes on the subject of salt hydrolysis in XI science students at Senior ...
The Potential of Secondary Metabolites Compounds of Methanol Extract Stem Bark Melochia Umbellate as Anti-Bacterial
(International Seminar Chemistry Education Faculty of Teacher Training and Education Mulawarman University, 2015-04)
A Study antibacterial essay of the methanol extracts of steam bark M.umbellate (Houtt) Stapf var. degrabrata (Paliasa). The results of this study showed that the methanol extract from the bark of M. umbellate (Houtt) ...
SENYAWA TURUNAN OLEANAN DARI KULIT BATANG Melochia umbellata (Houtt) Stapf var. DEGRABRATA K DAN BIOAKTIVITASNYA
(Seminar Nasional Kimia dan Pendidikan Kimia UNS, 2015-04-18)
Senyawa turunan oleanan 3-asetil-12-oleanen-28-oat diisolasi dari fraksi n-heksan kulit batang M. umbellata (Houtt) Stapf var. degrabrata K. Struktur molekul ditentukan melalui analisis data spektroskopi IR, NMR 1D dan NMR ...