You cool a hot piece of iron by dropping it in cool water. Which statement incorrectly describes what is happening? a) after enough time, the final temperature of the water and iron will be the same b) the amount of heat gained by the water equals the amount of heat lost by the iron c) the temperature of the iron will decrease as the temperature of the water increases d) the temperature change of the iron will depend on the latent heat of iron
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Answered on
Statement d) "the temperature change of the iron will depend on the latent heat of iron" incorrectly describes what is happening when you cool a hot piece of iron by dropping it in cool water. Latent heat refers to the heat required to change the phase of a substance (such as from solid to liquid or liquid to gas) without changing its temperature. Since the iron is not undergoing a phase change in this scenario, but is merely changing temperature, its temperature change depends on its specific heat capacity, not its latent heat.