Exam 14: Chemical Kinetics

The reaction CH₃- N≡C - CH₃- C≡N Is a first- order reaction. At 230.3°C, k = 6.29 × 10^{- 4} s^{- 1}. If [CH₃- N≡C] is 1.00 × 10^{- 3} initially, [CH₃- N≡C] is after 1.000 × 10³ s.

The kinetics of the reaction below were studied and it was determined that the reaction rate increased by a factor of 9 when the concentration of B was tripled. The reaction is order in B. A + B → P

The following reaction occurs in aqueous solution: NH₄⁺ (aq) + NO₂^- →N₂ (g) + 2H₂O (l) The data below is obtained at 25°C. The order of the reaction in NH₄⁺ is _ .

The rate of disappearance of HBr in the gas phase reaction 2HBr (g) →H₂ (g) + Br₂ (g) Is 0.301 M s^{- 1} at 150°C. The rate of appearance of Br₂ is M s^{- 1}.

In the energy profile of a reaction, the species that exists at the maximum on the curve is called the )

For the reaction aA + Bb → cC + dD the rate law is .

The earth's ozone layer is located in the .

Of the following, all are valid units for a reaction rate except _.

The rate law for a reaction is Rate = k [A][B]² Which one of the following statements is false?

Units of the rate constant of a reaction are independent of the overall reaction order.