Consider the following overall reaction and its rate law: 2 a + b  2 c, rate = k [a][b]. which of the following mechanisms can be considered a possible mechanism for the reaction? i: 2 a + b  2 c (one step)ii: a + b ⇄ m (slow) iii: a + b ⇄ m (fast) m+ a  2 c (fast) m+ a  2 c (slow)a) only ib) only iic) i and iiid) ii and iiie) i, ii, and iii

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.

Describe the forces both attractive and repulsive that occur as two atoms move closer together.