alleryStart learning →Charles's law describes which pair of gas properties held at constant pressure?
APressure and amount of gas
BPressure and temperature
CPressure and volume
DVolume and temperature
Answer & Solution
Correct answer: D. Volume and temperature
1. A sealed balloon put in a refrigerator shrinks and swells again when it warms, at constant pressure throughout.
2. Charles's law states that volume is directly proportional to kelvin temperature when pressure is fixed.
3. In symbols this is V1 over T1 equals V2 over T2.
4. Pressure and volume at constant temperature is Boyle's law, so that pairing belongs to a different law.
_Source: OpenStax Chemistry (CC BY 4.0), Ch 9 "Gases", section 9.2 Relating Pressure, Volume, Amount, and Temperature: The Ideal Gas Law_
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