The graph below shows how the temperature and volume of a gas vary when the number of moles and the pressure of the gas are held constant. How can the volume of the gas in a sealed container be decreased if the pressure is constant?A.By letting the gas diffuse over timeB.By lowering the temperatureC.By raising the temperatureD.By letting the gas effuse over time
Question
The graph below shows how the temperature and volume of a gas vary when the number of moles and the pressure of the gas are held constant. How can the volume of the gas in a sealed container be decreased if the pressure is constant?A.By letting the gas diffuse over timeB.By lowering the temperatureC.By raising the temperatureD.By letting the gas effuse over time
Solution
The volume of the gas in a sealed container can be decreased if the pressure is constant by option B: lowering the temperature. This is based on Charles's Law which states that the volume of a gas is directly proportional to its temperature, provided the pressure and the amount
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