A student monitors the catalytic decomposition of hydrogen peroxide by measuring the volume of oxygen gas produced over time. The results are plotted on the graph below.
What is the rate of reaction at 12 s?
0.25 cm3/s0.25\text{ cm}^3/\text{s}0.25 cm3/s
4.0 cm3/s4.0\text{ cm}^3/\text{s}4.0 cm3/s
48 cm3/s48\text{ cm}^3/\text{s}48 cm3/s
576 cm3/s576\text{ cm}^3/\text{s}576 cm3/s