When stating the volume of a gas, the pressure and temperature should also be given. Why?

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Solution

When stating the volume of a gas, the pressure and temperature should also be given because on changing pressure and temperature conditions, volume of a gas will change. Hence, a fixed amount (or number of moles) of a gas can attain a wide range of volume depending on the temperature and pressure conditions.

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(b) When stating the volume of a gas, the pressure and temperature should also be given.
(c) Inflating a balloon seems to violate Boyle's law.

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