4. Consider the following: 2NH3(g) â N2(g) + 3H2(g)
A flask is initially filled with NH3. As the system approaches equilibrium, the rate of the forward reaction
A. Increases as the rate of the reverse reaction decreases
B. Decreases as the rate of the reverse reaction increases
C. Increases as the rate of the reverse reaction increases
D. Decreases as the rate of the reverse reaction decreases
5. A system at equilibrium is said to be dynamic because at equilibrium the
A. Temperature does not change
B. Macroscopic properties are constant
C. Forward and reverse reactions continue to occur
D. Concentrations of reactants and products are constant
6. In all systems at equilibrium, the
A. Concentration of reactants is less than the concentration of products
B. Concentration of reactants and the concentration of products are equal
C. Concentration of reactants is greater than the concentration of products
D. Concentration of reactants and the concentration of products are constant
4. Consider the following: 2NH3(g) â N2(g) + 3H2(g)
A flask is initially filled with NH3. As the system approaches equilibrium, the rate of the forward reaction
A. Increases as the rate of the reverse reaction decreases
B. Decreases as the rate of the reverse reaction increases
C. Increases as the rate of the reverse reaction increases
D. Decreases as the rate of the reverse reaction decreases
5. A system at equilibrium is said to be dynamic because at equilibrium the
A. Temperature does not change
B. Macroscopic properties are constant
C. Forward and reverse reactions continue to occur
D. Concentrations of reactants and products are constant
6. In all systems at equilibrium, the
A. Concentration of reactants is less than the concentration of products
B. Concentration of reactants and the concentration of products are equal
C. Concentration of reactants is greater than the concentration of products
D. Concentration of reactants and the concentration of products are constant
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