AnswersLA-Chemistry AThe Ideal Gas Law

The Ideal Gas Law Answers

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1
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A child sits on a partially filled balloon and decreases the volume by half. What happens to the pressure inside of the balloon?

A
It increases
B
It decreases
C
It stays the same
2
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A scientist takes a small, partially inflated balloon out of liquid nitrogen (at a very low temperature). As the balloon rests on the table, it begins to grow in size. Which statement(s) best explains why the balloon grows?

A
The air from the outside comes inside the balloon. More air means more volume.
B
The air warms and increases particle movement. Increased particle movement leads to increased volume.
C
Increased temperature means increased volume as long as the container is flexible.
3

Answer the following questions with or without using a calculator.A balloon contains 1.00 mol helium gas at STP. What will the volume of the balloon be if the pressure increases to 2.00 atm?

A
11.2 L
B
22.4 L
C
44.8 L
D
There is not enough information to answer.
4

Acetylene gas (C2H2) reacts with oxygen gas (O2) to produce carbon dioxide (CO2) and water vapor (H2O) at STP. How many liters of C2H2 are required to produce 75.0 L of CO2? L

Answer:

37.5

5

A syringe contains 0.10 mol neon gas at STP. What volume does the syringe indicate?

A
0.224 L
B
2.24 L
C
22.4 L
D
There is not enough information to answer.
6

Liquid carbon disulfide (CS2) reacts with 44.8 L O2 gas to produce the gases carbon dioxide (CO2) and sulfur dioxide (SO2) at STP.What is the mass of carbon dioxide produced? g

Answer:

29.3

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