Determine the number of protons, neutrons and electrons in each of the following: Cu+
S2-
Pb4+

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

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions