45. For a particular reaction. the rate constant doubles %hen the temperature is

Question

45. For a particular reaction. the rate constant doubles %hen the temperature is raised from 300 K to 310 K. What is the activation energy (in kJ mol5 ^-1)? (A) -0.0596 kJ mol^-l (B) 0.155 kl mol^-1 (C) 53.6 kJ mol^-1 (D) 155 kJ mol ^-1 46. For all exothermic reactions, the activation energy for the reverse reaction is the activation energy of forward reaction, (A) smaller than (B) the same as (C) greater than (D) It cannot be determined from the information given 47. Why does the rate of reaction increase as the temperature increases? (A) The rate constant increases. (B) The rate constant decreases. (C) Activation energy increases. (D) Activation energy decreases,

Explanation / Answer

45-c

46-a

47-a

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