L and D forms of a molecule are what kind of isomers? double isomers
layered isomers
stereoisomers
copy isomers

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.

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml