A compound id found to contain 63,62% iron and 36,489 sultur, Find its empirical formula,

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.

Stage in which a typical star has completely stopped fusion

To calculate the molarity of a solution, you need to know the moles of solute and the