Given a balanced chemical equation, number of moles of reactants, find mass of a product produced or given the mass of product find the number of moles of reactants or number of molecules of reactants.

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a