fill in the blanks QUESTION 3As you raise the temperature of the mixture of enzyme with its substrate, the reaction rate shouldup to a point and then decrease and finally stop. This is due to the fact that at higher temperatures, enzymes start to denature.Because the rate of the reaction changes, we know that the portion of thethat has physicallychanged when it denatures is thesite.

As you raise the temperature of the mixture of enzyme with its substrate, the reaction rate should…

Answered: QUESTION 3 As you raise the temperature…

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter17: Equilibrium

Section: Chapter Questions

Problem 94AP

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Similar questions

Why are enzymes important? For example, what is the importance of the enzyme carbonic anhydrase in the body?
By which of the following mechanisms does a catalyst operate? a. It decreases the activation energy barrier for a reaction. b. It serves as a reactant and is consumed. c. It increases the temperature of a reaction. d. It increases the concentration of reactants.
Define these terms: (a) unimolecular reaction (b) bimolecular reaction (c) elementary reaction (d) overall reaction
How is it possible for a catalyst to give products from a reaction mixture that are different from those obtained when no catalyst or a different catalyst is used? Give an example.
Consider a reaction in which E a=129 kJ and H=29 kJ. In the presence of a catalyst, the activation energy is 48% of the uncatalyzed reaction. Follow the directions in Question 71 in drawing an energy diagram.
Consider the following hypothetical reaction: A+BC Calculate the average rate of the reaction on the basis of the following information: a. Pure A,B, and C are mixed together at concentrations of A+B=0.400M, C=0.150M. After 6.00minutes, the concentration of C is 0.418M. b. Pure A, and B are mixed together at same concentrations of 0.361M. After 7.00minutes, the concentration of A is found to be 0.048M.
Classify each of the following statements as true or false. aSome equilibria depend on a steady supply of a reactant in order to maintain the equilibrium. bBoth forward and reverse reactions continue after equilibrium is reached. cEvery time reactant molecules collide, there is a reaction. dPotential energy during a collision is greater than potential energy before or after the collision. eThe properties of a transition state are between those of the reactants and products. fActivation energy is positive for both the forward and reverse reactions. gKinetic energy is changed to potential energy during a collision. hAn increase in temperature speeds the forward reaction but slows the reverse reaction. iA catalyst changes the steps by which a reaction is completed. jAn increase in concentration of a substance on the right-hand side of an equation speeds the reverse reaction rate. kAn increase in the concentration of a substance in an equilibrium increases the reaction rate in which the substance is a product. lReducing the volume of a gaseous equilibrium shifts the equilibrium in the direction of fewer gaseous molecules. mRaising temperature results in a shift in the forward direction of an endothermic equilibrium. nThe value of an equilibrium constant depends on temperature. oA large K indicates that an equilibrium is favored in the reverse direction.
Which of the following statements below is true concerning the activation energy for a reaction? O The greater the activation energy, the faster the reaction. The activation energy speeds up a reaction by finding an alternate pathway. E, is the difference in energy between reactants and products. O E, is the difference in energy between reactants and transition state. Ea decreases with increasing temperature.
When a catalyst is added to a reaction mixture, it O increases the rate of collisions between reactant molecules. O provides reactant molecules with more energy. O slows down the rate of the reverse reaction. O provides a new pathway (mechanism) for the reaction. O None of these choices are correct.

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