A certain reaction is known to have an activation energy E=38.0 kJ/mol. Furthermore, the rate of this reaction is measured at 265. K and found to be 3.2 x 10¹ M/s. Use this information to answer the questions in the table below. Suppose the concentrations of all reactants is kept the same, but the temperature is raised by 5% from 265. K to 278. K. How will the rate of the reaction change? Suppose the concentrations of all reactants is kept the same, but the catalyst is added, which has the effect of lowering the activation energy by 5%, from 38.0 kJ/mol to 36.1 kJ/mol. How will the rate of the reaction change? The rate will The rate will choose one choose one

A certain reaction is known to have an activation energy E=38.0 kJ/mol. Furthermore, the rate of this reaction is measured at 265. K and found to be 3.2 x 10¹ M/s. Use this information to answer the questions in the table below. Suppose the concentrations of all reactants is kept the same, but the temperature is raised by 5% from 265. K to 278. K. How will the rate of the reaction change? Suppose the concentrations of all reactants is kept the same, but the catalyst is added, which has the effect of lowering the activation energy by 5%, from 38.0 kJ/mol to 36.1 kJ/mol. How will the rate of the reaction change? The rate will The rate will choose one choose one

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Some measurements of the initial rate of a certain reaction are given in the table below. H2 2 initial rate of reaction 1.10M| 2.49M 9.00 x 10°M/s 3.05M 2.49М 2.50 x 10*M/s 1.10M 6.51M 2.35 x 10*M/s Use this information to write a rate law for this reaction, and calculate the value of the rate constant k. Round your value for the rate constant to 3 significant digits. Also be sure your answer has the correct unit symbol. rate = k|| x10 k = ?
22. The rate of a reaction depends on many factors such as the concentration of the reactants. Which of the following explains why an increase in the concentration of reactants affects the rate of reaction? The reactants move faster. The collisions increase between the reactants. There are fewer molecules present. The activation energy is lowered.
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A certain catalyzed reaction is known to have an activation energy E= 11.0 kJ/mol. Furthermore, the rate of this reaction is measured at 296. K and found to be 1.1 × 10 M/s. Use this information to answer the questions in the table below. Suppose the concentrations of all reactants is kept the same, but the temperature is raised by 10% from 296. K to 326. K. How will the rate of the reaction change? Suppose the concentrations of all reactants is kept the same, but the catalyst is removed, which has the effect of raising the activation energy by 5%, from 11.0 kJ/mol to 11.6 kJ/mol. How will the rate of the reaction change? The rate will The rate will choose one choose one choose one stay the same rise about 5% rise more than 5% rise less than 5% fall about 5% fall more than 5% fall less than 5% V
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The answer is C, please show steps, thanks.
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Can someone please help with question 7