(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.
At the end of the silica gel production process, color changes occur during drying. Explain these color changes.
If CoCl2/H2O is dissolved in a mixture of H2O and concentrated HCl in a test tube, the tube is gently heated over a flame to approximately 80°C and then cooled externally. Explain the color changes that occur.
When producing silica gel, color changes occur at the end of the drying process. Explain these color changes.
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