A solution has a pH of 2.5.

Answer the following questions.

pOH =

[H+] =

[OH-] =

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction

Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.