A student electrolysised some water. He collected 20cm3 of hydrogen. What volume of oxygen could he also have collected at the same time?

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution

Consider the following multistep reaction: a b→ab(slow) a ab→a2b(fast)−−−−−−−−−−−−−−−−− 2a b→a2b(overall) based on this mechanism, determine the rate law for the overall reaction. express your answer in standard masteringchemistry format. for example, if the rate law is k[a]3[b]2 type k*[a]^3*[b]^2