In the ideal gas equation PV = RT, which symbol represents volume?

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Multiple Choice

In the ideal gas equation PV = RT, which symbol represents volume?

Explanation:
Volume is the space the gas occupies, and in the equation PV = RT that quantity is represented by V. This tells you that V is the variable describing how much room the gas has to expand. Pressure and temperature drive the balance with the gas constant: for a fixed amount of gas and a given temperature, increasing V makes the product PV larger only if P adjusts accordingly, and in fact P = RT / V, so a larger volume means lower pressure. Keeping R and T as constants, V is the quantity that directly controls how much space the gas takes up, which is why V is the symbol for volume.

Volume is the space the gas occupies, and in the equation PV = RT that quantity is represented by V. This tells you that V is the variable describing how much room the gas has to expand. Pressure and temperature drive the balance with the gas constant: for a fixed amount of gas and a given temperature, increasing V makes the product PV larger only if P adjusts accordingly, and in fact P = RT / V, so a larger volume means lower pressure. Keeping R and T as constants, V is the quantity that directly controls how much space the gas takes up, which is why V is the symbol for volume.

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