Question

Name the phase and state if it requires or releases energy. Water vapor changes directly to ice.

a) Sublimation - Releases energy

b) Deposition - Requires energy

c) Condensation - Releases energy

d) Freezing - Requires energy

Answer 1

Deposition is the phase change where water vapor changes directly to ice and it is an exothermic process that releases energy.

Step-by-step explanation:

The phase change where water vapor changes directly to ice is known as deposition. This is an exothermic process where energy is released. Therefore, the correct answer to the question is b) Deposition - Releases energy. In general, changes from a less-ordered state to a more-ordered state, such as gas to solid, which is what deposition is, are always exothermic because energy must be removed from the system for the particles to become more ordered.