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Q. 54

Expert-verified
Found in: Page 513

### Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

Book edition 4th
Author(s) Randall D. Knight
Pages 1240 pages
ISBN 9780133942651

# The air temperature and pressure in a laboratory are 20C and 1.0 atm. A 1.0 L container is open to the air. The container is then sealed and placed in a bath of boiling water. After reaching thermal equilibrium, the container is opened. How many moles of air escape?

is the number of moles of air that escaped from the container.

See the step by step solution

## Step 1: Given information

The temperature is

Pressure

The thermal temperature of equilibrium

It's vital to remember that the number of moles doesn't change while they're immersed in boiling water. When the container is opened, the pressure equals

formula used:

Ideal gas law

## Step 2: Calculation

 Description Steps Step:1 The number moles calculating Step:2 Counting the number of moles who have gotten away

is the number of moles of air that escaped from the container.