Is my teacher scary OwO

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

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

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years