What is hydropower? And how does it work? Plz (if u can answer in 2-3 sentences) thx :3 WILL MARK BRAINLIEST WHOEVER AMSWERS THIS QUESTION FIRST!!! :D

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

In one or two grammatically correct sentences, write a definition for the term molecule geometry

How many grams are in 68.2 molecules of br2?