Which of the following elements is most likely to react? a. cu b. al c. li d. mg

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.

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.