The gas-phase reaction is found to be first order. The reaction was carried out at constant…

The gas-phase reaction

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is found to be first order. The reaction was carried out at constant
temperature of 337.6 K in a constant-volume container. The initial pressure is
equal to 0.100 bar and no substance is initially present except for N2O5.
The total pressure after 100.0 s of reaction is found to be 0.160 bar.

 a. Find the value of the rate constant at
this temperature.

b. Find the partial pressure of N2O5
after 100.0 s of reaction. Neglect the reverse reaction.

 c. Find the half-life of the reaction and
find the total pressure at this time.