When [oh-] changes from 10-9 to 10-11 in a solution: kw = [h+][oh-] what happens to [h+]?
a. increases
b. decreases
c. remains constant

This statement about matter and its behavior is best classified as a

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium

How many grams of iron can be made from 16.5 grams of fe2o3