PLEASE HELP, I WILL GIVE A BRAINLEIST!! What is the law conservation of mass? Explain the chemical equation CH4+2O 2 ---> C02+ 2H2O

Using the periodic table, complete the table to describe each atom. type in your answers

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 many neutrons does an element have if its atomic number is 50 and its mass number is 166