In an investigation into reaction kinetics, a student decomposed a sample of hydrogen peroxide in the presence of a manganese(IV) oxide catalyst. The reaction yielded 432 cm3 of oxygen gas in exactly 2 minutes2\text{ minutes}2 minutes and 15 seconds15\text{ seconds}15 seconds.
Calculate the average rate of reaction in cm3 s−1\text{cm}^3\text{ s}^{-1}cm3 s−1.