A gas is initially at 326 K, 853 torr, and occupies a volume of 5.29L. What volume will the gas occupy (in L) if the temperature and pressure decrease, respectively, to 1°C and 0.66 atm?

Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter13: Gases
Section: Chapter Questions
Problem 106A
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A gas is initially at 326 K, 853 torr, and occupies a volume of 5.29L. What volume will the gas occupy (in L) if the temperature and pressure decrease, respectively, to 1°C and 0.66 atm?

Expert Solution
Step 1

For the ideal gas, the temperature pressure and the volume are related by the ideal gas equation. The ideal gas equation is given by:

Chemistry homework question answer, step 1, image 1

For the change in the state of the ideal gas, we can write the above equation as follows:

Chemistry homework question answer, step 1, image 2

Here P1, V1, and T1 are the initial pressure, volume, and temperature of the gas.

Chemistry homework question answer, step 1, image 3

Here P2, V2, and T2 are the final pressure, volume, and temperature of the gas.

Dividing the above equation, we get:

Chemistry homework question answer, step 1, image 4

By rearranging the above equation, we get:

Chemistry homework question answer, step 1, image 5

Step 2

The initial volume of gas = 5.29 L

The initial temperature of gas = 326 K

The initial pressure of gas = 853 Torr

 

The final volume of gas =?

The final temperature of gas = 1oC = 1oC +273.15 = 274.15 K

The final pressure of gas = 0.66 atm

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