75.2 grams of iron metal reacts with sulfur to produce iron (III) sulfide. a. How many moles of sulfur are used up in the reaction?

b. How many grams of iron (III) sulfide are produced?

What is the value of keq for the reaction expressed in scientific notation

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.

Using the periodic table, complete the table to describe each atom. type in your answers