reaction rates and concentration (research paper) By katie prestage what are reaction rates? The rate of reaction is the speed in which a reaction takes place. This can be measured by the rate in which a reactant is used up‚ or the rate a product is created. If a reaction has a low rate‚ it means that the particles are combining at a slow speed. If the rate is high‚ it means that the particles are coming together at a fast speed. For example‚ the rusting of iron through oxidation has a slow
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Discussion Heart Rate Our hypothesis stated 1.) The heart rate increases substantially when a person performs a physical activity and 2.) Females have heart rates greater than males’. In this experiment we measured the resting heart rates and exercise heart rates of both the male and females that are in the class. We calculated the results that were taken by each member of each group in the class (6 males and 16 females total). The average resting heart rate for women was 71.8 beats per minute
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Lab 2: Reaction Order and Rate Laws Khadijah Maraheel Location: My apartment September 27th-28th 2017 Course Number: Chem112 Abstract: The purpose of this lab is to find the rate law of the reactants and the reactions order. My beginning thought was I would find whole numbers but that would be to easy. My answers were all with decimals. I found that my rate law Is k (HCl)1.36 (Na2S2O3)0.84. I was expecting the solution to change color but I never thought it would turn
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DETERMINANTS OF EXCHANGE RATE FLUCTUATIONS FOR VENEZUELA: APPLICATION OF AN EXTENDED MUNDELL-FLEMING MODEL HSING‚ Yu* Abstract Applying and extending the Mundell-Fleming model‚ this study attempts to examine the behavior of short-term real exchange rates for Venezuela. It finds that the real effective exchange rate is positively associated with real government deficit spending and negatively influenced by real M2‚ the world interest rate‚ county risk‚ and the expected inflation rate. Hence‚ the authoritie
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and Effects on High Divorce Rates Since the past‚ people have gotten married and lived together. Some married couples are unable to maintain their relationship as a couple; therefore‚ they choose to get a divorce. Furthermore‚ half of American marriages now end in divorce. There are three main causes to this increase in divorces: the changes in women’s roles‚ stress in modern living‚ and lack of communication. The first significant cause in the rise in the divorce rate is that women have changed
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keep on going‚ the heart will need to pump more blood through the body when say doing exercise due to the muscles being used on a higher level‚ which will then lead to more beats per minute‚ if the body is used to this type of exercise then the heart will not beat as many times due to each heartbeat being able to pump more blood (the body will be less likely to get tired easily)‚ this is for both resting heartbeat rates and when doing activities. This is suggested in both articles; the effects of exercise
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Determination of a Rate Law and Temperature Dependence of a Rate Constant By Marvin Coleman March 7‚ 2011 Abstract: From the shown calculations & graphical analysis‚ the experimentally determined rate law is rate = K[I-].969 [H2O2].991 and the experimentally determined activation energy is 59.50 kJ/mole. Introduction: The rate of a reaction varies at different temperatures and reactant concentrations. In this experiment‚ the orders and dependence of the rate constant of the products
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and Paramters 1. 1.2507 2. 0.685 3. 0.685 4. 17.811 Data Analysis-Mass Specific Metabolic Rate 1. 1.2507 2. -0.315 3. -0.316 4. 17.811 Review Questions: 1. Under what conditions does 02 consumption provide a good estimate of the metabolic rate? Under Aerobic conditions. 2. What factors should be considered when the metabolic rate measured is to be a reliable measure of the basal metabolic rate? The animal must be resting. The animal must be in its thermoneutral zone. The animal must be
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Define the Problem: The real national unemployment rate is higher than the U.S. Department of Labor’s December figure shows. When the underemployed and discouraged are added to the unemployment numbers‚ the national unemployed rate rises to 16.6%. This causes morale to be low and Americans seem to be giving up. Variables Identified by Order of Influence: 1. The government no longer counts people as unemployed when they stop looking for work. The unemployment numbers don’t account for part-time
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reaction used to determine the experimental rate law of is 2I-(aq) + H2O2(aq) I2(aq) + 2H2O2(l). The rate law determined experimentally is rate= k[I-]1.017[H2O2]0.927. Additionally by performing essentially the same experiments but with temperature changes one can determine how k is affected by temperature changes and the new activation energy. Also‚ from graphs the activation energy was determined to be 33.3 kJ/mol. INTRODUCTION: The rate of a chemical reaction often depends on reactant
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