Please answer both. A catalyst is a molecule that decreases the rate of undesired reactions.А саA catalyst helps to direct the course of a reaction but does not increase the rate.QUESTION 15In the reaction A+ 2 B products, when the reaction occurs with a very large excess of B, a plot of the concentration of A versus time gives astraight line. What can be said about the rate law for the reaction?The reaction is zero order with respect to A.Overall, the reaction is first order.The reaction is zero order with respect to B.The rate law is rate = k[A].QUESTION 16For the reaction(CH 3) 2HCBR + CI (CH 3) 2HCCI + Br ",->you suspect the reaction is first order with respect to (CH 3) 2HCBr. To confirm your theory, you measure the concentration of (CH 3) 2HCBr atvarious times during a reaction with a large concentration of chloride. What would you plot to get a linear graph in order to confirm your theory?Concentration versus time1/[(CH3)2HCB1] versus timeLn[(CH3)2HCBr] versus temperatureLn[(CH3)2HCBR] versus timeClick Save and Submit to save and submit. Click Save All Answers to save all answers.Save All AnswersMacBook Air

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In the reaction A+2 B - products, when the reaction occurs with a very large excess of B, a plot of the concentration of A versus time gives a straight line. What can be said about the rate law for the reaction? The reaction is zero order with respect to A. Overall, the reaction is first order. The reaction is zero order with respect to B. The rate law is rate = k[A].

In the reaction A+2 B - products, when the reaction occurs with a very large excess of B, a plot of the concentration of A versus time gives a straight line. What can be said about the rate law for the reaction? The reaction is zero order with respect to A. Overall, the reaction is first order. The reaction is zero order with respect to B. The rate law is rate = k[A].

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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