Maredan clay has 48,762 % of SiO2 and 26,248% of Al2O3 which can be used as raw material in zeolite synthesis by reflux. The clay was chemically activated 3 M and 5 M sulfuric acid, followed by physical activation at a temperature of 750ºC for 3 hours. Solids of activated sulfuric acid are mixed with 50 mL of 5 M NaOH and stirred for 3 hours, followed by a reflux process for 8 hours with varia…
This nal project discusses the relationship of generalized Fibonacci matrix sequence and k-Pell matrix sequence. Some properties of generalized Fibonacci matrix sequence, k-Pell matrix sequence, and the multiplication properties of the matrix are proven using mathematical induction and algebra calculations. Using some of these properties, the relationship of generalized Fibonacci matrix s…
This nal project discusses some properties of tribonacci and tribonacci-Lucas quaternion polynomial that is dened recursively, and determine the relation between tribonacci and tribonacci-Lucas quaternion polynomial. Binet's formula is used to prove the properties. This is a review of articles of Cerda-Morales [International Journal of Mathematics, 1 (2017), 1-11]. Keywords: Tribonacci n…
In this final project three types of estimators are discussed, namely mean estimator in simple random sampling, linear regression estimator and regression ratio estimator using information on auxiliary variable. These estimators are biased for regression ratio estimators and unbiased for linear regression and average estimators, then the Mean Square Error (MSE) of each estimator is determi…
This final project discusses some properties of bicomplex Fibonacci quaternion that is defined recursively and determines the sums of bicomplex Fibonacci with conjugate of bicomplex Fibonacci quaternion. Binet’s formula and sequence of number identities are used to prove the properties. This is a review of articles of Aydin [Chaos, Solitons and Fractals, 106 (2018), 147-153.] Keywords: F…
This final project discusses three estimators for estimating population variance in simple random sampling without replacement using coefficient kurtosis, median and combination of coefficient kurtosis and median. The three estimators are bias estimators. To obtained an efficient estimators that is by determining the smallest mean square error (MSE) using Taylor series approximation. The e…
The aim of this study was to examine the effect of gender, obedience pressure, task complexity, experience of the auditor, the auditor’s knowledge and the complexity of the document audit on the audit judgement. The samples in this study were 92 auditors working at the Supreme Audit Agency (BPK) RI. The sample was taken by purposive sampling method. Collecting data was taken by questionnare …
This nal project discusses some relations of prime modulo congruence for Fibonacci and Lucas sequences. The Legendre symbol is introduced to obtain some congruence relations for a prime number modulo. Keywords: Fibonacci sequences, Lucas sequences, Legendre symbol and modulo congruence
Courtship is an activity that is not taboo anymore in Indonesian society, including the city of Pekanbaru, especially among young people. However, many of the facts mention that courtship behavior raises losses and carries negative effects. The purpose of The Indonesia Tanpa Pacaran community in Pekanbaru is to help embrace and make them understanding from the danger of courtship. In carrying o…
In general, diffable students will study at special school, but now there is innovation which called inclusive school. Through inclusive school, teenager student can study at public school and interaction with normal students. The condition of diffable make acceptance from their friends diverse, some people accept them in a good way and be friends with them, but there are some people bullying t…
The research aims to improve student learning achievement on the subject of equilibrium ion and pH buffer solution in class XI MIA SMAN 9 Pekanbaru. This type of research is an experimental study with a pretest-posttest design. The research was conducted at SMAN 9 Pekanbaru. The sample from the study was students of class XI MIA 2 as an experimental class and students in class XI MIA 3 as a con…
Research on the development of comic-based student activity worksheets (LKPD) with a 4C approach (Critical Thinking, Collaboration, Creativity and Communication) on chemical equilibrium material for class XI SMA/MA equivalent is an innovation in the development of teaching materials in order to achieve the demands of 21st century learning that facilitates and inspire students to be able to thin…
The purpose of this research has been to produce LKPD based on construktivisme on the subject of acid-base solution valid based on feasibility of content, language, presentation and graphic. The research was conducted in the Faculty of Education and Teachers Training University of Riau on March-June, 2019. The type of this research was Research and Development (R&D) with the 4-D development mod…
The purpose of this research was to determine whether the implementation Treffinger Type Creative Problem Solving learning model can improve creative thinking at SMAN 9 Pekanbaru on the subject buffer solution. The type of this research is experimental research with experiment design randomize control group pretest-posttest with data collection instruments using pretest-posttest and filling in …
Tradition of Gondang Naposo is the young party of Bataknese which is means to foster a relationship between the younger generations and the maturation of independent souls. In the cultural Event of Gondang Naposo, there are symbolic aspects that have a certain meaning presented from the clothes, music, to the tortor movements performed. The purpose of this research is to know the meaning of sym…
This final project discusses the power sum formula for the number and the identity of the Bernoulli number. Furthermore, it is proved by symmetry the power sum formula using the Faullhaber formula which states the power sum of numbers whose coefficients involve Bernoulli numbers. This a review of Newsome et al.’s paper [Journal of Integer Sequences, 20 (2017), 1-10]. Keywords: Benoulli�…
The research aims was to improve the student activity and achievement used College Ball learning strategy on ion equilibrium subject and ph of buffer solutions in class XI IPA 1 of SMAN 9 Pekanbaru in academic year 2018/2019. This research was an action research with three cycle design Each cycleconsisted of two meetings included four stages of implementation: planning, action, observation, and…
Giam Siak Kecil-Bukit Batu Biosphere Reserve (GSK-BB) is one of Riau's peatlands that has been utilized as Industrial Plantation Forest (HTI), so that it can cause changes in the quality of the physical, chemical and biological properties of the soil. Improvements in the quality of peat soils can be sought through restoration. This study aimed to analyze the impact of peatland conversion into i…
Peatlands in the Biosphere Reserve GSK-BB, Riau are mostly converted into Timber Plantation (TP) Acacia, oil palm plantation and settlements. Peatland conversion will affect the population and soil microbial activity. Population and soil microbial activity are indicators that are sensitive to soil quality. This research aimed to analyze the impact of peatland conversion into a TP Acacia and res…
This research aims to determine the increase in student learning outcomes by applying cooperative learning models talking chips type on the subject of Reaction Rate in class XI MIPA SMAN 4 Pekanbaru. The form of this study uses the Pretest-Postest Design Randomized Control Group. The sample consisted of class XI MIPA 1 as the experimental class and XI MIPA 2 as the control class which was rando…