What occurs during a chemical reaction? A. Atoms of two or more elements are destroyed B. Atoms of two or more elements oppose one another

C. Atoms of two or more elements bond together

D. Atoms of two or more elements trade protons​

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

Calcium chloride +gold(1) oxide—>

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.