WILL GIVE BRAINLIEST! 1. (01.01)
Which of these statements BEST explains why chemistry is testable? (4 points)
O It can be measured by data
O It cannot add new evidence
O It cannot be verified
O it is biased.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

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

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.