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

question 66

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) H = 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.

Recognize security measures implemented in networked environments.

Distinguish between different network devices and their functions.

Understand the administration challenges of peer-to-peer networks.

Differentiate between MAC addresses and IP addresses.

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Definitions:

Sunburn

A form of skin damage that results from excessive exposure to ultraviolet radiation, causing redness, pain, and sometimes blisters.

Boiling Water

The process of heating water until it reaches a temperature at which it bubbles and turns to vapor.

Steam

Water vapor generated by boiling water, used for heating, propulsion, and sterilization among other applications.