Effect of enzyme concentration on rate of reaction Research question: is there a relationship between catalase concentration and the rate of reaction? Hypotheses: if the enzyme concentration is increased then the rate of reaction will increase. If the enzyme concentration is decreased then the rate of reaction will decrease. Controlled: temperature Independent: % catalyze concentration ( Dependent: rate of reaction (mm/s) Materials: Mortar and pestle Graduated cylinder Distilled
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Lab Report #1 Title: Synthesis of Divanillin Abstract: The purpose of this experiment was to synthesize divanillin. This was done via the oxidative dimerization of two equivalents of vanillin‚ using enzyme horseradish peroxidase as the catalyst. Procedure: Lab Handout: Nishimura‚ R.T.; Giammanco‚ C.H.; Vosburg‚ D.A. J. Chem Educ. 2010‚ 87‚ 526-527. Discussion: Mechanism: Reaction 2 Vanillin H2O2 Divanillin 2 H2O
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keeps growing rapidly. With the increase in migration‚ the number of languages that are spoken in the United States is endless. With English being the primary language of the country‚ many families have different second languages including‚ to not limiting to‚ Spanish‚ French‚ Italian‚ Arabic‚ Portuguese‚ Korean‚ Russian‚ and Chinese. In 1980‚ 23.1 million people spoke a language other than English at home. By 2010‚ that number grew to 59.5 million‚ which is an increase in of 158% (Ryan‚ 2013‚ p. 5)
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Simultaneous Determination of Several Thermodynamic Quantities: K‚ ∆G°‚ ∆H°‚ and ∆S° Submitted by: Feldan P. Villarta Submitted to: Mrs. Gloria Jesusa D. Baltazar Chemistry 73 (Laboratory) August 11‚ 2014 Simultaneous Determination of Several Thermodynamic Quantities: K‚ ∆G°‚ ∆H°‚ and ∆S° Feldan P. Villarta I. INTRODUCTION The solubility product constant‚ Ksp‚ is the equilibrium constant for a solid substance dissolving in an aqueous solution. It represents
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useful in cleaning and also neutralising a wasp or jellyfish sting. In the neutralisation process acids become less acidic when mixed with bases. A neutralisation reaction is a chemical reaction in which the acidic and basic affinities of the reactants are cancelled out. Aim The aim of this practical is to identify which of the four unknown substances is the acid and what substances are the bases. After finding the acid and bases you will then need to find out how much acid is needed to neutralise
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APTER ONT satnry/n M Proiect Title: Proiect by: Purpose ofProiect: TABLE‚ OF CONTEI\ITS Methods of data collection Literature Review Presentation of data Analysis of data Discussion of findings Conclusion Recommendations BibliographY Appendix s.tafrard’ ruPnt The ecology in the school farm Chene Mohammed To study a manmade ecological system at Couva Government is Secondary School‚ Tlinidad (the manmade ecological system the school) The main ecological systems in the fatm arc; (a) pond ecology
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= 30.02 g Weight II (beaker + 1-bromobutane) = 30.64g Weight of 1-bromobutane = WII - WI = 30.64 - 30.02 = 0.62 g Molar Mass of 1-bromobutane (C4H9Br) = 137.02 g/mol Molar Mass of butyl benzoate (C11H14O2) = 178.23g/mol Mole ratio = 1:1 Limiting agent: 1-bromobutane Density of 1-bromobutane= 1.27g/ml‚ Volume = 2.0ml Mass of 1-bromobutane = 1.27 x 2.0 = 2.54g Theoretical mass of 1-bromobutane = 2.54 /
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Goal(s): To study the effect of concentration on the rate of a reaction‚ and to find the order of the reaction in each reactant and write a rate equation. Background Theory: Chemical reactions occur at different rates that ultimately depend on their concentration‚ the temperature‚ the usage of catalysts‚ the nature of reactants‚ like the surface area of the particles. Concentration‚ for instance‚ increases the number of molecules or particles in a certain volume‚ so collisions will become more
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Globus Simulation Game Report – Shahab Niaz (Company D) Introduction The energies of this report shall be directed towards the documentation‚ explanation and analysis of our group strategy in playing the Globus Business Strategy Game‚ and also the outcomes of our decisions. In doing so‚ aspects that I will attempt to analyse and explain our decisions relate to production design‚ marketing‚ assembly (for both entry-level and multi-featured cameras)‚ compensation and labour‚ discount bids‚ corporate
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Introduction The introduction is certainly the most read section of any deliverable‚ and it largely determines the attitude of the reader/reviewer will have toward the work. Therefore‚ it is probably the most delicate part of the writing of a report. Unfortunately‚ many people (even very experienced ones) seem to have difficulties at writing a good introduction. For some‚ it is a daunting task. In this short article‚ I present a very simple method for writing a good introductory chapter. Actually
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