Question

the arrows in the chart below represent phase transitions. which arrows represent the phase transitions in which heat energy is gained? 1, 2, and 3 2, 3, and 5 3, 4, and 5 4, 5, and 6

Explanation:

Step1: Recall phase change definitions

When a substance gains heat energy, it undergoes endothermic phase changes. Melting (solid to liquid), vaporization (liquid to gas), and sublimation (solid to gas) are endothermic.

Step2: Identify arrows for endothermic changes

Arrow 4 is liquid to gas (vaporization), arrow 5 is solid to liquid (melting), arrow 6 is solid to gas (sublimation).

Answer:

4, 5, and 6