The rate constant for the first-order decomposition of a compound A in the reaction A → P is k = 3.56x10⁻³ s⁻¹ at 25 °C. The initial pressure is 33.0 kPa. What is the half-life of A?What will be the pressure (in kPa unit) after 5 seconds from initiation of the reaction? (Assume pressure is proportional to concentration)What will be the pressure after 20 min from initiation of the reaction? (Assume pressure is proportional to concentration)?

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