In a balanced equation, the number of atoms may A. be greater before the reaction in special situations
B. must be equal before and after a reaction
C. are never the same after a chemical reaction
D. are sometimes less after a reaction

Asyringe contains 56.05 ml of gas at 315.1 k. what volume will that gas occupy if the temperature is increased to 380.5 k? a) 12.41 b) 46.42 c) 67.68 d) 81.74

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.