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Gases

October 13, 2025 by orgoly

General Chemistry
Gases
Gases

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Question 1 of 6

1. Question

A sample of gas has a volume of 11.9 L at a pressure of 1.19 atm. If the sample of gas is compressed to a volume of 6.22 L, what is its new pressure in atmospheres?

Enter your answer to the correct number of significant figures.

BLANK 1 of 1 atm

Enter your answer to the correct number of significant figures.

Fill in the blank 1 of 1 atm

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Question 2 of 6

2. Question

A 48.3 mL sample of gas in a cylinder is warmed from 22 °C to 87 °C. What is its volume at the final temperature?

Enter your answer in mL and to the correct number of significant figures.

BLANK 1 of 1 mL

Enter your answer in mL and to the correct number of significant figures.

Fill in the blank 1 of 1 mL

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Question 3 of 6

3. Question

A ballon has a volume of 4.33 L at a temperature of 25 °C. If the balloon and its contents are warmed to a temperature of 50 °C, what is the new volume in liters?

Enter your answer to the correct number of significant figures.

BLANK 1 of 1 L

Enter your answer to the correct number of significant figures.

Fill in the blank 1 of 1 L

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Question 4 of 6

4. Question

A cylinder contains 28.5 L of oxygen gas at a pressure of 1.8 atm and a temperature of 298 K. How many moles of oxygen gas are present in the cylinder ?

Enter your answer to the correct number of significant figures.

BLANK 1 of 1 moles

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Fill in the blank 1 of 1 moles

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Question 5 of 6

5. Question

A weather balloon is inflated to a volume of 28.5 L at a pressure of 748 mmHg and a temperature of 28.0 °C. The balloon rises in the atmosphere to an altitude of approximately 25,000 ft, where the pressure is 385 mmHg and the temperature is -15.0 °C. Assuming the balloon can freely expand, calculate the volume of the balloon at this altitude.

Enter your answer in liters and to the correct number of significant figures.

BLANK 1 of 1 L

Enter your answer in liters and to the correct number of significant figures.

Fill in the blank 1 of 1 L

Correct

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Question 6 of 6

6. Question

What is the volume of 1.00 mole—called the molar volume—of an ideal gas at standard temperature and pressure (STP)?

Enter your answer in liters and to 3 significant figures.

BLANK 1 of 1 L

Enter your answer in liters and to 3 significant figures.

Fill in the blank 1 of 1 L

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