Which of the following statements best defines the actual yield of a reaction? The amount of product measured after a reaction The ratio of measured yield over theoretical yield The maximum amount of product that can be obtained The ratio of measured yield over stoichiometric yield

A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy