Which consequence results when a refrigerator's vapor-compression cycle becomes irreversible?

💡 Explanation

Irreversibilities increase entropy, diminishing the cooling effect via a less efficient use of energy; degradation therefore reduces effective heat transfer and thus lowers COP due to heat generation that cannot be reversed, rather than specific phase-change failures or over-pressure scenarios.

• Which outcome occurs when a moderate electrical field is applied to crystalline sodium chloride?
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• Which consequence may arise during electrolysis of water, due to increased hydrogen?
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• Which outcome occurs when a bimetallic strip in a thermostat undergoes a temperature transition?
• Which risk increases when a catalyst inhibits equilibrium?