What is the correct description of Charles' law?
A. There is a definite relationship between the pressure and volume of a gas if the temperature is kept constant.
B. There is a definite relationship between the volume and temperature of a gas if the pressure is kept constant.
C. The total pressure of a confined mixture of different gases is equal to the sum of the pressure of each gas in the mixture.
D. Energy can be changed in form but cannot be created or destroyed.
Answer: B
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