Which form of relativism states that people rely on their own standards of right and wrong when making a decision?

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

Word equation for k(s) +h2o(l) yield koh (aq) + h2

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.