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Ideal gas expands so that P times a power of T is constant: coefficient of volume expansion

The same question, asked 3 times: 2021 Paper 20, 30 Jan 2023*, 5 Apr 2026 S2. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2021 Paper 20

    12
    An ideal gas is expanding such that PT3=PT^{3}= constant. The coefficient of volume expansion of the gas is:

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  2. Question 2

    30 Jan 2023

    7
    The pressure (P)(P) and temperature (T)(T) relationship of an ideal gas obeys the equation PT2=PT^{2}= constant. The volume expansion coefficient of the gas will be:

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  3. Question 3

    5 Apr 2026 S2

    9
    An ideal gas at pressure PP and temperature TT is expanding such that PT3=PT^{3}= constant. The coefficient of volume expansion of the gas is ____\_\_\_\_ .

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