During the catalytic decomposition of hydrogen peroxide at 20 ∘C20\text{ }^{\circ}\text{C}20 ∘C, the volume of oxygen gas produced was measured. In the first 2 minutes and 5 seconds2\text{ minutes and } 5\text{ seconds}2 minutes and 5 seconds, a total of 35.0 cm3 of oxygen was collected.
Calculate the average rate of reaction, in cm3 s−1\text{cm}^3\text{ s}^{-1}cm3 s−1, for this time period. Give your answer to 3 significant figures.
