What mass of carbon dioxide, co2(g), in g, is produced when 5.0 g of calcium carbonate, caco3 (s), reacts completely with hydrochloric acid, HCl (aq)? CaCO3 (s) + 2 HCI (aq) → CaCl2 (aq) + H2O (l) + CO2 (g)

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.

Calculate the mass of 0.750 mol of the following substance. na3po4. , i'm not quite sure on how to set up the problem to solve! : (

He nucleus contains the cells genetic material in the form of dna. dna is organized into our chromosomes, which are made up of thousands of that determine our traits.