1. Acetone in the gas phase decomposes according to the scheme: CH3COCH3=СО Н2 C2H4,
and the total pressure (∑Р) of the reaction mixture in the vessel increases over time:
Time, min ∑Р(t), kPa
0 41.59
6.5 54.38
13 65.05
19.9 74.91
Find the rate constant of the 1st order reaction.

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