(a) Interpretation: The direction of the reaction C(s) + H 2 O(g) ⇌ CO(g) + H 2 (g) when the volume is increased should be predicted. Concept introduction: Le Chatelier’s principle states that if a change in pressure, temperature or concentration of reactant or product is applied to a system in equilibrium, the equilibrium shifts in such a way to counteract that change. Boyle’s law states that the pressure of a given mass of an ideal gas is inversely proportional to its volume at constant temperature.
(a) Interpretation: The direction of the reaction C(s) + H 2 O(g) ⇌ CO(g) + H 2 (g) when the volume is increased should be predicted. Concept introduction: Le Chatelier’s principle states that if a change in pressure, temperature or concentration of reactant or product is applied to a system in equilibrium, the equilibrium shifts in such a way to counteract that change. Boyle’s law states that the pressure of a given mass of an ideal gas is inversely proportional to its volume at constant temperature.
Solution Summary: The author explains Le Chatelier's principle, which states that the pressure of a given mass of an ideal gas is inversely proportional to its volume.
The direction of the reaction C(s) + H2O(g) ⇌ CO(g) + H2(g) when the volume is increased should be predicted.
Concept introduction:
Le Chatelier’s principle states that if a change in pressure, temperature or concentration of reactant or product is applied to a system in equilibrium, the equilibrium shifts in such a way to counteract that change.
Boyle’s law states that the pressure of a given mass of an ideal gas is inversely proportional to its volume at constant temperature.
Interpretation Introduction
(b)
Interpretation:
The direction of the reaction 2 H2(g) + O2(g) ⇌ 2 H2O(g) when the volume is increased should be predicted.
Concept introduction:
Le Chatelier’s principle states that if a change in pressure, temperature or concentration of reactant or product is applied to a system in equilibrium, the equilibrium shifts in such a way to counteract that change.
Boyle’s law states that the pressure of a given mass of an ideal gas is inversely proportional to its volume at constant temperature.
Interpretation Introduction
(c)
Interpretation:
The direction of the reaction 2 Fe(s) + 3 H2O(g) ⇌ Fe2O3(s) + 3 H2(g) when the volume is increased should be predicted.
Concept introduction:
Le Chatelier’s principle states that if a change in pressure, temperature or concentration of reactant or product is applied to a system in equilibrium, the equilibrium shifts in such a way to counteract that change.
Boyle’s law states that the pressure of a given mass of an ideal gas is inversely proportional to its volume at constant temperature.
In which direction does the following equilibrium shift when the gas mixture is compressed? Explain using Le Châtelier’s principle and in terms of forward and reverse reaction rates.
2 C(s) + O2(g) ⇌ 2 CO(g)
Identify the equilibrium constant expression for the following reaction:
H2(g) + F2(g) ⇌ 2HF(g)
Consider the following general reaction:2A(g) + 2B(g) ⇌ 3C(g)
The reaction was measured to have an equilibrium reaction constant (K) of 0.0100 at 100 K. If the reaction has a standard enthalpy change (ΔHrxn) of 500.3 J/mol, what should the equilibrium reaction constant be when the temperature is 800 K? (Please provide your answer to 3 significant figures.)
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