The rate constant of a second-order reaction is 3.86 x 10−2 M-1 s-1. If the concentration of reactant A is 0.160 M after 75.6 sec, what was the initial concentration, [A]o? (Assume the reaction is A → B + C)

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

If a solution had a ph of 7 what is the solution

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.