How many moles of H2O will be required to make 17.6 moles of O2

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

What is i fracture in the crust called when land move up, down or sideways

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer