What happens to the reaction rate as a reactant gets used up?A.The rate stays constant.B.The rate goes down.C.The rate varies.D.The rate goes up.SUBMITarrow_backPREVIOUS

What happens to the reaction rate as the reactants get used up in a reaction?A.The rate of the reaction stays constant until the reactants are gone.B.The rate of the reaction begins to decrease as reactants are used up.C.The rate of the reaction increases steadily as products are formed.D.The rate of the reaction is not affected by the concentration of reactants.SUBMITarrow_backPREVIOUS

What happens to the rate constant as activation energy increases?A.The rate constant decreases.B.The rate constant levels off.C.The rate constant does not change.D.The rate constant increases.SUBMITarrow_backPREVIOUS

The reaction rate isMultiple choice question.the rate at which reactants are reformed in the reverse reaction.constant for any one chemical reaction.the rate at which reactants are changed into products.impossible to measure.

Why does increasing the concentration of reactants increase the reaction rate?A.The temperature increases with higher concentrations.B.Collisions of the right energy are more likely.C.Some of the reactants are likely to act as catalysts.D.Increasing the concentration changes the rate constant.SUBMITarrow_backPREVIOUS

How does the rate of a reaction change after a catalyst is added?A.The rate increases.B.The rate becomes zero.C.The rate decreases.D.The rate remains the same.