Mastering Chemical Equilibrium

Open systems allow neither matter nor energy exchange, while closed systems allow energy exchange

Open systems allow both matter and energy exchange, while closed systems allow only energy exchange

Open systems allow matter and energy exchange with the surroundings, while closed systems only allow energy exchange (correct)

Open systems only allow energy exchange, while closed systems allow both matter and energy exchange

The temperature and pressure of the system

The addition of a catalyst

The activation energy of the forward and reverse reactions

The relative concentrations of products and reactants (correct)

Describing the relationship between product and reactant concentrations at equilibrium

Predicting the effect of changes on the position of equilibrium and the equilibrium constant (correct)

Determining the equilibrium constant for a chemical system

Calculating the activation energy of a chemical reaction