I feel that it's much easier to do pchem hw problems by understanding the concepts first...but i'm kinda lost right now..so please help me explaining these as simple as possible:

1. Rate law (really confused about this b/c i thought that rate = k[a]** for 2A + 5B -> C since it doesn't depend on the stoichiometric coefficients...oh yeah...so the rate must be the rate for d[c]/dt? **

2. Reaction order (so for sure this is independent of stoichio. coefficients, yeah. So basically this is just about which reactant participates in the reaction?...whether it's 0, 1st, 2nd, 3rd order?

3. Maxwell distribution of speeds: how do i know the most probable speed and the average speed on a curve?

4. Elementary & consecutive reactions

5. rate-determining step, steady-state approximation, pre-equilibria

6. diffusion control

7. Michaelis-Menten mechanism

I seriously need help..