Thermochemistry

Calorimetry

Stoichiometry

Kinetics

The change in internal energy of the system

The change in entropy of the system

The change in free energy of the system

The change in volume of the system

Exothermic reactions release energy, while endothermic reactions absorb energy

Exothermic reactions absorb energy, while endothermic reactions release energy

Exothermic reactions have a positive enthalpy change, while endothermic reactions have a negative enthalpy change

Exothermic reactions have a negative enthalpy change, while endothermic reactions have a positive enthalpy change

The enthalpy change when the compound is formed from its elements

The enthalpy change when the compound is decomposed into its elements

The enthalpy change when the compound is burned in oxygen

The enthalpy change when the compound is dissolved in water

The enthalpy change of a reaction is independent of the path taken

The enthalpy change of a reaction is equal to the sum of the enthalpy changes of the individual steps of the reaction

The enthalpy change of a reaction is equal to the difference between the enthalpy of the reactants and the enthalpy of the products

The enthalpy change of a reaction is equal to the product of the enthalpy of the reactants and the enthalpy of the products

Enthalpy and entropy are always directly proportional

Enthalpy and entropy are always inversely proportional

Enthalpy and entropy are sometimes directly proportional and sometimes inversely proportional

Enthalpy and entropy are unrelated

The change in enthalpy of the reaction minus the product of the temperature and the change in entropy of the reaction

The change in enthalpy of the reaction plus the product of the temperature and the change in entropy of the reaction

The change in entropy of the reaction minus the product of the temperature and the change in enthalpy of the reaction

The change in entropy of the reaction plus the product of the temperature and the change in enthalpy of the reaction

A reaction is spontaneous if the Gibbs free energy of the reaction is positive

A reaction is spontaneous if the Gibbs free energy of the reaction is negative

A reaction is spontaneous if the Gibbs free energy of the reaction is zero

A reaction is spontaneous if the Gibbs free energy of the reaction is equal to the enthalpy change of the reaction

The ratio of the concentrations of the reactants and products at equilibrium

The ratio of the partial pressures of the reactants and products at equilibrium

The ratio of the activities of the reactants and products at equilibrium

The ratio of the standard free energies of the reactants and products

An equation that relates the equilibrium constant of a reaction to the temperature

An equation that relates the enthalpy change of a reaction to the temperature

An equation that relates the entropy change of a reaction to the temperature

An equation that relates the Gibbs free energy of a reaction to the temperature

An equation that relates the rate of a reaction to the temperature

An equation that relates the rate of a reaction to the concentration of the reactants

An equation that relates the rate of a reaction to the activation energy of the reaction

An equation that relates the rate of a reaction to the equilibrium constant of the reaction

The minimum amount of energy that is required for a reaction to occur

The maximum amount of energy that is released in a reaction

The difference between the enthalpy of the reactants and the enthalpy of the products

The difference between the Gibbs free energy of the reactants and the Gibbs free energy of the products

A substance that increases the rate of a reaction without being consumed

A substance that decreases the rate of a reaction without being consumed

A substance that is consumed in a reaction and increases the rate of the reaction

A substance that is consumed in a reaction and decreases the rate of the reaction

A homogeneous catalyst is in the same phase as the reactants, while a heterogeneous catalyst is in a different phase than the reactants

A homogeneous catalyst is consumed in the reaction, while a heterogeneous catalyst is not consumed in the reaction

A homogeneous catalyst increases the rate of the reaction by increasing the concentration of the reactants, while a heterogeneous catalyst increases the rate of the reaction by decreasing the activation energy of the reaction

A homogeneous catalyst is more effective than a heterogeneous catalyst

Enzymes are catalysts that increase the rate of biological reactions

Enzymes are catalysts that decrease the rate of biological reactions

Enzymes are consumed in biological reactions and increase the rate of the reactions

Enzymes are consumed in biological reactions and decrease the rate of the reactions