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Q. 54

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 513

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Short Answer

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 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

DescriptionSteps
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.

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