True or false rates and thermo

I. The reactants in a enthalpy of formation reaction can be elements or compounds as long as they are in their standard form. A. True B. False

II. The concentration of a product during the progress of a reaction, increases continuously, most rapidly at the beginning of the reaction. A. True B. False

III. The molar enthalpy change of reaction refers to the amount of heat needed to increase the temperature of one mole of a substance by one degree Celsius. A. True B. False

IIV. A chemical equation that represents a change in matter and includes the enthalpy change for the reaction is termed a thermochemical equation. A. True B. False