For the measured law rate = k[A][B]³, how does rate change when only [B] is multiplied by 2?
A) 1 times B) 2 times C) 4 times D) 8 times Answer: D Explanation: Only the concentration factor [B] […]
Chemical Kinetics, Chemistry
Chemical Kinetics
Chemical Kinetics, Chemistry
For the measured law rate = k[A]⁰[B], how does rate change when only [A] is multiplied by 2?
A) 2 times B) 1 times C) 4 times D) 8 times Answer: B Explanation: Only the concentration factor [A] […]
Chemical Kinetics, Chemistry
For the measured law rate = k[A]², how does rate change when only [A] is multiplied by 3?
A) 9 times B) 1 times C) 3 times D) 27 times Answer: A Explanation: Only the concentration factor [A] […]
Chemical Kinetics, Chemistry
For the measured law rate = k[A]³, how does rate change when only [A] is multiplied by 2?
A) 1 times B) 2 times C) 4 times D) 8 times Answer: D Explanation: Only the concentration factor [A] […]
Chemical Kinetics, Chemistry
If a reaction is second order in A, what happens to its rate when [A] doubles?
A) It becomes four times as fast B) It doubles C) It halves D) It stays unchanged Answer: A Explanation: […]
Chemical Kinetics, Chemistry
If a reaction is zero order in A, what happens to rate when [A] doubles?
A) It doubles B) It quadruples C) It becomes zero D) It stays unchanged, all else equal Answer: D Explanation: […]
Chemical Kinetics, Chemistry
What does a catalyst do to the activation barrier?
A) Raises it without any other change B) Lowers the barrier along an alternate pathway C) Changes the mass of […]
Chemical Kinetics, Chemistry
What does a first-order rate law in reactant A imply if [A] doubles?
A) The rate halves B) The rate doubles, all else equal C) The rate quadruples D) The rate is unchanged […]
Chemical Kinetics, Chemistry
What does collision theory require for an effective reaction collision?
A) Only identical particle colors B) The absence of any motion C) Sufficient energy and suitable orientation D) A collision […]
Chemical Kinetics, Chemistry
What does the Arrhenius equation connect to the temperature dependence of rate constant?
A) Activation energy B) Only molar mass C) Only the atomic number D) Only equilibrium position Answer: A Explanation: The […]