1. Determine which of the following statements is true.

A. A catalyst causes equilibrium to be reached faster without changing the position of the equilibrium.
B. A catalyst speeds up the rate of the forward reaction which moves the equilibrium towards the products.
C. A catalyst causes the reaction to move more slowly so that the equilibrium position can be precisely adjusted.
D. A catalyst raises the activation energy of a reaction.

2.

When products are made in industry, what must be balanced?

A. Temperature and concentration.
B. Products and reactants.
C. Product yield and production cost.
D. Reactant yield and production cost.