Which of the following equations is correct for the reversible reaction between hydrogen gas and iodine gas forming hydrogen iodide gas?
H2(g) + I2(g) ⇌ HI(g)
H(g) + I(g) ⇌ HI(g)
H2(g) + I2(g) ⇌ 2HI(g)
Which of the following statements about dynamic equilibrium is incorrect?
The amounts of the reactants and products are equal.
The rates of the forward and reverse reaction are equal.
The amounts of reactants and products are constant.
If a reversible reaction is exothermic in the forward direction, what will the reverse reaction be?
Exothermic.
Endothermic.
Neither.
A reaction is endothermic in the forward direction. Which direction will the position of equilibrium shift if the temperature is increased?
To the right.
To the left.
Both.
What effect does decreasing the pressure have on the position of equilibrium of the following reaction? CH4(g) + H2O(g) ⇌ 3H2(g) + CO(g)
Shift towards the left.
No effect.
Shift towards the right.
What effect would the removal of nitrogen, N2, have on the position of equilibrium of the following reaction? 2N2(g) + 3H2(g) ⇌ 2NH3(g)
Shifts to the left.
Shifts to the right.
Which of the following statements about the Haber process is incorrect?
An iron catalyst is used.
The temperature used is a compromise temperature.
Atmospheric pressure is used.