In a Phase Change of Water Between the Liquid and the Gas

question 34

Multiple Choice

In a phase change of water between the liquid and the gas phases, 770.1 kJ of energy was released by the system. What was the product, and how much of it was formed in the phase change? (Data: H₂O(l) → H₂O(g) ΔH = 44.01 kJ/mol.)

• A)315 g water vapor was produced.
• B)17.5 g of water vapor was produced.
• C)17.5 mol of water vapor was produced.
• D)17.5 mol of liquid water was produced.
• E)17.5 g of liquid water was produced.

---

Definitions:

Shippers

Businesses or individuals that send or transport goods from one place to another.

Newsbot

An automated software that collects and distributes news articles from various sources online.

Newsgroups

Online discussion forums where users can post and read messages on specific topics, resembling bulletin board systems of the early internet.

Consultative Function

A role or service that provides expert advice and guidance in a particular field or area, typically to help organizations make informed decisions.