Enzymes in the human liver catalyze a large number of reactions that degrade ingested toxic chemicals. By what fac-tor is the rate of a detoxification reaction changed if a liver enzyme lowers the activation energy by 5 kJ/mol at 37°C?

Q: The activation energy, Ea, for a particular reaction is 19.4 kJ/mol. If the rate constant at 80 °C…

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Q: The rate constant of a particular reaction increases by a factor of 8 as the temperature is…

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Q: Suppose that a certain biologically important reaction is quite slow at physiological temperature in…

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Q: The activation energy of an uncatalyzed reaction is 95 kj/mol. The addition of a catalyst lowers the…

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Q: The activation energy for the decomposition of benzene diazonium chloride is 99.1 kJ mol–1. At what…

A: Chemical kinetics is the branch of chemistry that mainly deals with the rate of reaction and change…

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

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Q: Suppose a reaction has an activation energy of 23.0 kJ/mol and rate constant of 0.37 h-1 at 15 oC.…

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Q: A researcher raises the temperature from 109 to 126.3 o C and finds that the rate of the reaction…

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Q: What is the activation energy for the isomerization of methyl isocyanide? Rate Constant Temperature…

A: Given that K1 = 4.30 x 10 -3 min-1 K2 = 5.51 x 10-2  min-1  T1 = 472 K T2 = 503 K

Q: References] In a series of experiments on the decomposition of dinitrogen pentoxide, N2O5, rate…

A: Answer:

Q: If a reaction has a rate constant of 3.7 x 10-3 s-1 at 25oC, and activation energy of 43.6 kJ/mol,…

A: We'll use Arrhenius Equation ln(k1/k2) = (-Ea/R).((1/T1)-(1/T2))

Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

A: Arrhenius equation can be used to calculate rate constant value

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

A:

Q: The activation energy of one of the reactions in a biochemical process is 87 kJ mol−1. What is the…

A: Given information: Activation energy = 87 kJ/mol Initial temperature = 37 ℃ Final temperature = 15 ℃

Q: The chirping rate of an insect, a result of biochemical reactions, is found to increase with…

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Q: For a reaction with an activation energy of 139 kJ/mol, how much must the temperature be raised…

A: Given,  Activation energy = Ea = 139 KJ/mole  Rate constant (k1) = K at temperature = T1 = 273 + 25…

Q: The activation barrier for a reaction is 77.0 kJ/mol. If an enzyme increases the rate of the…

A: Arrhenius equation is given by,  k = A.e-Ea/RT    k = rate of reaction  A = Arrhenius constant  Ea…

Q: What is the activation energy for a reaction if the rate of the reaction doubles when the…

A: Temperature,T1 = 20°C or 293K Temperature,T2 = 35°C or 308K Value of Gas constant, R = 8.314J/mol K…

Q: A researcher raises the temperature from 37.8 to 49.8 o C and finds that the rate of the reaction…

A: The expression of Arrhenius equation is shown below: Where; k = rate constant A = Arrhenius…

Q: Make an appropriate Arrhenius plot of the following data for the conversion of cyclopropane to…

A: Arrhenius equation is, K=Ae-EaRT ln (K)=-ER×1T+ln(A) Calculate and record the given temperature and…

Q: What is the activation energy in kJ/mol for a reaction that has a rate constant that is (2.73x10^0)…

A: Rate constant is temperature dependent

Q: H+D2 → HD+D is the exchange of isotopes of hydrogen of atomic mass 1 (H) and 2 (D, deuterium). The…

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Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

A: The relation between rate constant and temperature is given by Arrhenius Equation which is  k =…

Q: A reaction has an activation energy of 3.79 kJ/mol. If the rate constant for the reaction is 6.4E-1…

A: Given activation energy, Ea = 3.79 kJ.mol-1 * (1000 J / 1kJ) = 3790 J.mol-1  Initial state:  Initial…

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

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Q: Experiments have shown that the average frequency of chirping by a snowy tree cricket (Oecanthus…

A: For Arrhenius equation , ln(k2/k1) = (Ea/R)[(1/T1)-(1/T2)] where k1 and k2 are the rate constant at…

Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

A:

Q: The rate constant for the reaction PCl3 (g) + Cl2 (g) → PCl5 (g) is 1.3 x 103 M/min at 515 K, and…

A: Given, Reaction is,                                   The rate constant for the reaction at 515 K…

Q: Suppose that a certain biologically important reactionis quite slow at physiological temperature (37…

A: Arrhenius Equation, k = A.e-Ea/RT Temperature = 37oC = 310 K

Q: If a reaction has a rate constant of 3.7 x 10-3 s-1 at 25oC, and an activation energy of 43.6…

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Q: The rate constant of a chemical reaction is found to double when the temperature is raised from 25…

A: Given, Initial temperature=250C=(25+273)K                                         =298K Final…

Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

A:

Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

A:

Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

A: Given,

Q: The rate constant of a reaction is 0.38s-1 at 727 C and 0.87s-1 at 757C. Calculate the activation…

A: The equation for determining the activation energy is as follows,                   Where, Ea is…

Q: A researcher raises the temperature from 39.4 to 56.2 o C and finds that the rate of the reaction…

A: Given that: T1 = 39.4 o C = 39.4+273 = 312.4 K T2 = 56.2 o C= 56.2+273 = 329.2 K initial rate = k1…

Q: The rate constant of a particular reaction increases by a factor of 2.0 when the temperature is…

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Q: The decomposition of nitrogen dioxide has an activation energy of 1.10e5 J/mol and a rate constant…

A: Correct answer:  9.49e-1 M-1s-1

Q: In a series of experiments on the decomposition of dinitrogen pentoxide, N2O5, rate constants were…

A: Given, In a series of experiments on the decomposition of dinitrogen pentoxide (N2O5): Rate constant…

Q: 0. Calculate the activation energy of a reaction if the rate constant at 765 K is 3.78x10 and at 932…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: what is the activation energy for a first-order reaction if k = 2.5 x 10-3 s-1 at 332 K and k = 0.15…

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Q: A reaction has a rate constant of 7.3 x10 ^ -4 M/s at 315 K and a frequency factor of 4.4 x 10^7.…

A: The relation between rate constant, frequency factor, A and activation energy, Ea k = Ae-EaRT

Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

A:

Q: energy E17D.3(b) The rate constant of a chemical reaction is found to double when the temperature is…

A: The activation energy for a given reaction can be defined as the minimum amount of energy that must…

Q: A reaction having an activation energy of 55.1 kJ/mol has a rate constant of 4.2 x 10-8 s-1 when the…

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Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

A: The minimum amount of energy  required to convert reactant into products are known as activation…

Q: Suppose that, in the absence of a catalyst, a certain biochemical reaction occurs x times per second…

A: The Arrhenius equation is given below.

Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

A: From Arrhenius equation we can find the value of K. Arrhenius gave a relationship between…