Question

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the quantity of heat associated with a phase change is called heat.
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Explanation:

In thermodynamics, when a substance undergoes a phase change (such as melting, freezing, vaporization, or condensation), the heat involved is not associated with a temperature change of the substance (at the phase - change temperature). This type of heat is called latent heat. The term "latent" means hidden, as the heat does not cause a temperature increase or decrease during the phase - change process (at the constant temperature of the phase change).

Answer:

latent