Gas Laws Answers

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Jennifer checked the pressure in her bike tires before school and they had a pressure of 0.890 atm. She checked the tire pressure again after school and they had a pressure of 1.01 atm. Why was there an increase in pressure? Check all that apply.

A
The temperature increased outside.
B
The temperature decreased outside.
C
The air molecules in the tire moved around more rapidly later in the day and collided with the tire walls with more force.
D
There was a hole in the tire.
2
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0.625 L0.64 L6.4 L64 L

A
0.625 L
B
0.64 L
C
6.4 L
D
64 L
3

Warning signs are sometimes placed on aerosol cans to prevent people from throwing them into a fire. What is true about the gas in the aerosol can after it is placed in a fire? Check all that apply.

A
It has a high pressure.
B
It has a low pressure.
C
It has a high temperature.
D
The temperature is unchanged.
4

Temperature conversion: __°C + 273 K

A
66 mL
B
2.0 × 10 mL
C
310 mL
D
950 mL

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