"Enzyme concentration and rate of reaction pepsin" Essays and Research Papers

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    Concentration and Ml

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    of 128 mL of 0.650 M Ba(OH)2 was required to completely neutralize 50.0 mL of nitric acid solution (HNO3). What is the concentration of the acid solution? Gravimetric Titration: Calculate the molar concentration of Ba2+ ions in a 500.0 mL sample of an unknown aqueous solution if 2.47 g BaSO4 is formed upon the addition of excess Na2SO4? Stoichiometry of Acid –Base Reactions: What volume of 0.800 M HCl is required to completely neutralize 35.0 g of Ca(OH)2? Solution Problems: 1. Consider

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    Sucrose Concentrations

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    Plan a procedure that will allow you to compare quantitavely the glucose concentration in fresh samples of orange‚ lemon and grapefruit juice. Aim: The aim of this investigation is to produce a set of data which will enable comparison of the glucose concentrations of orange‚ lemon and grapefruit juice. Research: Benedict’s Reagent is a mixture of sodium compounds and copper sulphate. The copper ions are reduced by fructose (a reducing sugar) to form copper oxide‚ thus turning it from blue

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    Enzyme Lab Report

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    Temperature and pH on Enzyme Function Chelsie Mesa Section 0479 Robin Cotter Introduction The purpose of this experiment is to identify three unknown enzymes. This is done by using different temperature and pH to affect the function of the enzyme‚ which ultimately‚ will affect how much maltose is produced. Enzymes are proteins that help catalyze chemical reactions. In enzymatic reactions‚ the molecules at the beginning of the process are called substrates‚ and the enzyme converts them

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    Factors that Affect the Rate of a Reaction BACKGROUND: Chemical reactions occur at different rates. In this experiment I will consider some of the key factors that influence the rate of a reaction: * ƒ nature of reactants - particle size * ƒ temperature * ƒ catalysts According to the collision theory‚ the rate of a reaction depends on the frequency of collisions between reacting particles. The more frequent the collisions‚ the faster the rate of the reaction. However‚ in order for

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    Enzyme Kinetics Lab

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    Lab: Tuesdays at 1pm Enzyme Kinetics Lab Introduction: Enzymes are proteins that will catalyze reactions to make the rate of the reaction occur faster than it would without. It can also make the reaction occur in the first place. Tyrosinase is an enzyme that has a variety of functions and activities. It produces pigments like melanin and others that would be apparent when a fruit is cut in half and it browns. (Bien-etre 3).There is that one function that stands out and the enzyme is continuously studied

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    The Effect of Increasing Temperatures on the Enzyme Catalase Enzymes are proteins that help speed up chemical reactions inside your body and without enzymes‚ chemicals reactions in cells would be incredibly slow to a point where no activity at all takes place (Brawo press Inc‚ 2017). Enzymes speed up the chemical reactions by lowering the activations energy and they do this by binding substrates together in the correct orientation to react (Ernest Z‚ 2014). They are vital for life and serve a

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    Enzyme Lab Report

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    structures of cells but they act as enzymes in reactions of the body1. Enzymes are biological catalysts that lower the amount of activation energy needed in carrying out biochemical reactions1. Enzymes are responsible for almost every reaction that occurs in a cell and is named according to the substrate they specifically affect. An enzyme works best under optimal conditions pertaining to temperature‚ pH level and salt concentration1. In unfavorable conditions enzymes will become denatured and ineffective

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    factors affecting the rate of a chemical reaction. Introduction: In my coursework I will be mainly concentrating on the reaction between dilute hydrochloric acid with marble chips (calcium carbonate). Calcium carbonate (marble chips) + hydrochloric acid ==> calcium chloride + water + carbon dioxide CaCO3(s) + 2HCl (aq) ==> CaCl2 (aq) + H2O (l) + CO2 (g) Aim: The aim of the experiment is to investigate how the concentration of hydrochloric acid affects the rate of reaction with marble chips‚

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    The aim for this investigation is to investigate the effects of varying the concentration of sodium thiosulfate solution on the rate of the reaction when reacting with dilute hydrochloric acid. It is hypothesized that as the concentration of the sodium thiosulfate solution increases‚ the rate of the reaction will also increase proportionately. Variables The independent variable is concentration. This will be varied by increments of 10mL (10mL to 50mL) and distilled water will be added accordingly

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    Enzyme Lab Report

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    Influence of Concentration on the Activity of Amylase Title Influence of Concentration on the Activity of Amylase Abstract Does more or less concentration speed up the reaction rate of amylase in starch? In this experiment diluted solutions of amylase were created and then tested using a starch solution‚ I2KI for reaction times. The answer to the question was proved to be that more concentration of amylase speeds up the reaction time. Introduction The enzyme‚ amylase is found in

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