Problem 2.3: What is the difference between sensible heat

From Chapter 2 Problem Set. Level 1: Conceptual Mastery.

Question

What is the difference between sensible heat and latent heat? Which one changes temperature, and which one changes state?

Answer

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Sensible heat changes temperature without changing phase - it increases molecular motion. Latent heat changes state without changing temperature. It is spent separating molecules, overcoming intermolecular attractions, and creating the vapor phase.