β-galactosidase is an enzyme that can catalyze the lactose hydrolysis reaction into glucose and galactose. This study was carried out to determine the ability of three endophyte fungi to produce β-galactosidase enzyme. The three endophyte fungi were Fusarium oxysporum LBKURCC41, LBKURCC69 and Fusarium solani LBKURCC67. These fungi were grown in production media: lactose 10 g, yeast extract 20…
Blood cockle shells (Anadara granosa) can be used as heterogeneous catalysts for biodiesel production because it contains CaCO3 that can be decomposed into CaO. In this study, blood cockle shells (Anadara granosa) calcined at temperatures of 800, 900 and 1000 ºC for 10 hours. Synthesis of biodiesel made with cooking oil transesterification process and methanol. Biodiesel synthesis process cond…
Two chalcone derivatives have been synthesized from 4-hydroxybenzaldehyde with 1-acetylnaphthalene using KOH 6 N catalyst by aldol condensation using microwave iradiation and 4-hydroxybenzaldehyde with 2-acetylnaphthalene using SOCl2 catalyst using stiring method. Synthesis result have been obtained two compounds, (E)-3-(4-hydroxyphenyl)-1-(naphthalene-1-il)prop-2-en-1-on (CR1) and (E)-3-(4-hyd…
Palm frond so far only used as a source of raw materials for animal feed, compost and organic fertilizer in the plantation. Palm frond has a calorific value of 15,184.05 kJ/kg. Utilization of palm frond as main material of solid fuel production with carbonization process can reduce the problem of oil palm plantations waste and can be increased the calorific value of product. The aims of this st…
Research on the application of cooperative learning model Inside – Outside Circle (IOC) has been conducted to improve student learning achievement on the topic atomic structure and thr periodic system of elements at class XI SMAN 8 Mandau. This research is experimental research with randomized control group pretest-posttest design. The sample took in the 19 Agustus – 21 September 2013. The …
Teaching materials chemistry constructivism oriented is the teaching materials have a structure of the content in the form of the introduction (the standard of competence, basic competence, indicators and the learning objectives), subject matter (description of the material ,table stuffing, pictures and illustrations) and student activities (matter ,conclusion ,sheet experiment) were prepared b…
This research aims to know the improve of students learning achievement by using Learning Cycle 7E model on the topic of the Acid-Base of Elements in class XI IPA senior high school (SMAN) 5 Pekanbaru. This research was experimental research with pretest-postest design. The sample of this research were students of class XI IPA 1 as the experimental research and students of class XI IPA 2 as a c…
This research aims to know the improve of students learning achievement by using Beach Ball strategy on the topic of the Chemistry Society of Elements in class XI IPA senior high school (SMAN) 1 Bangkinang. This research was experimental research with pretest-postest design. The sample of this research were students of class XI IPA 1 as the experimental research and students of class XI IPA 3 a…
This research aims to increase student achievementon the subject Atomic Structure and System of Periodic unsure inclass X SMA Negeri 2 Tambang. This research is a kind of experiment research with pretest-posttest design. The research was conducted in SMA Negeri 2 Tambang. The samples of this research were the students of class X.5 as the experimental class and students of class X.6 as the co…
This research is about the application of active learning the firing line strategy that has conducted to know the increasing of student’s learning achievement on chemical equilibrium topic in class XI IPA in 10 Senior High School Pekanbaru. This research was experiment by design pretest and posttest. The sample determined randomly after doing normality and homogeneity test of 5 classes as po…
The research aims to increase student learning achievement on the topic of hydrocarbons in class X Senior High School (SMAN) 4 Pekanbaru. Media Chem Puzzle is adapted to the topic of hydrocarbons. The research is a kind of experiment research with pretest-posttest design. The samples of this research were the students of class X4 as the experimental class and students of class X7 as the control…
The Research about application of the active learning strategy type learning tournament has been done to improve student’s achievement on the topic of solubility and solubility product constant in class XI MAN 1 Pekanbaru. This research is experimental research based on pretest-posttest design. The samples of this research were the students of class Xl IPA 2 as the control class and stud…
: The aim of the research was application of active learning the firing line strategy has been done to know the increasing of student’s learning achievement on oxidation reduction reaction topic in class X in 7 Senior High School Pekanbaru. This research was experiment by design pretest and posttest. The sample determined randomly after doing normality and homogeneity test of 7 classes as po…
Active learning strategy of arisan card to know the increasing student learning achievement in class XI IPA SMAN 9 Pekanbaru has done. The research is a kind of experiment research with pretest-posttest design. The samples of this research were the students of group XI IPA3 as the experimental group and students of group XI IPA1 as the control group. Experimental group is a group that is a…
Research aims to improve the student learning achievement on the subject Atomic Structure and System of Periodic unsure in class XI Science Senior High School 1 Kubu Rohil. This type of research is experimental research study design randomized control group pretest-posttest. Research conducted at Senior High School 1 Kubu Rohil. Samples of the research were students of class XI Science 1 as an …
Research has been conducted on chemical equilibrium subject in XI IPA 3 class SMAN 14 Pekanbaru. Purpose from this research is to find out the achievement of completness learning students on chemical equilibrium subject in XI IPA 3 class SMAN 14 Pekanbaru. Form of this research is pre-experimental research with One-Shot Study Case design. Time for data collection is start from November until De…
Research about aplication of learning Model with Lottery Card has been conducted to improvement of student’s learning achievement at compounds nomenclature and chemical reaction equation subject in SMA Tri Bhakti Pekanbaru. This research was quasi experimental with pretest-posttest design. The sample consist of two classes,class X sain 2 as the experiment class and class X Sain 1 as the contr…
This classroom action research aims to improve the student learning activities in chemistry on class XI IPA 3 MAN 2 Model Pekanbaru by applying Macromedia Flash Versi 8. Improved student learning activity is the activity of asking questions, submit answers or opinions, working on exercises and group discussion. Improvement of student learning activities implies an increase in mastery learning s…
This research is an ex post facto, meaning that the data collected after all the events that happened note. This study aims to determine the quality of the best items semester chemical subjects exam. The sample in this study is the second semester exam of class XI IPA SMA N 1 Peranap academic year 2013/2014. The variables measured in this study a qualitative analysis,the level of difficulty, di…
The Research about application of the active learning strategy type true false chain has been done to improve student’s achievement on the topic of solubility and solubility product constant in class XI IPA MAN 1 Pekanbaru. This research is experimental research based on pretest-posttest design. The samples of this research were the students of class Xl IPA 4 as the control class and students…