Which formula can be used to calculate the percent yield? a.(Theoretical yield ÷ actual yield) x 100
b.(Actual yield ÷ theoretical yield) x 100
c.(Amount of reactants ÷ amount of products) x 100
d.(Amount of products ÷ amount of reactants) x 100

How does a sample of helium at 15 degree celsius compare to a sample of helium at 215 k? a) the helium at 15 degrees celsius has a higher average kinetic energy that the sample at 215 k. b) the helium at 15 degrees celsius has lower nuclear energy that the sample at 215 k. c) the helium at 15 degrees celsius has slower- moving atoms that the sample at 215 k. d) the helium at 15 degrees celsius has smaller atoms than the sample at 215 k.