Suppose that a certain biologically important reactionis quite slow at physiological temperature (37 °C) in theabsence of a catalyst. Assuming that the collision factorremains the same, by how much must an enzymelower the activation energy of the reaction to achieve a1 x 105-fold increase in the reaction rate?

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Q: Account for the relationship between the rate of a reaction and its activation energy.

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Q: Explain the time dependence of the rates of a chemical reaction.

A: Rate of the chemical reaction is defined as the speed at which the reactants disappear or the…

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Q: Suppose the reduction of nitric oxide proceeds by the following mechanism: step elementary reaction…

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Q: Determine the activation energy (EA) for a reaction whose rate increases by a factor of three (3)…

A: Interpretation: The activation energy for a reaction whose rate increases by a factor of three (3)…

Q: The rate constant of a reaction at 500 K and 700 K are 0.02 s-1 and 0.07 s-1 respectively. Calculate…

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Q: A certain reaction has an activation energy of 66.90 kJ/mol. At what Kelvin temperature will the…

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Q: 12. (a)A chemical reaction has an activation energy of 12.0 kJ/mol at 298.K. What is the fraction of…

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Q: temperatures

A: Dear student I have given answer to your question in the image format.

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Q: Which of the following does not determine the rate of reaction? the value of AH° the activation…

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Q: Calculate the activation energy and constant A for a first order reaction in which the following…

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Q: A catalyst decreases the activation energy of a particular exothermic reaction by 20 kJ/mol, to 36…

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Q: Catalysts are used to speed up chemical reactions. Based on the graph above how do they do this?

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Q: Calculate the rate constant, k, for a reaction at 73.0 °C that has an activation energy of 83.5…

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