Hydrogen peroxide undergoes a first-order decomposition to water and O2 in aqueous solution. The rate constant at

Question:

Hydrogen peroxide undergoes a first-order decomposition to water and O2 in aqueous solution. The rate constant at 25oC is 7.40× 104/s. Calculate the volume of O2 obtained from the decomposition reaction of 1.00 mol H2O2 at 25oC and 740 mmHg after 20.0 min.