Empirical formula: A compound has the following percentages by mass: barium, 58.84%, sulfur, 13.74% , oxygen,
27.435. Determine the empirical formula of the compound

For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

Nan element’s square on the periodic table, the number with the greatest numerical value represents the