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Q88 (CDS-I/2003) Science & Technology › Basic Science (Physics, Chemistry, Biology) › Thermal physics Answer Verified

The product of the pressure and the volume of an ideal gas is

Result
Your answer: —  Â·  Correct: C
Explanation

The behavior of an ideal gas is governed by the Ideal Gas Law, which is mathematically expressed as PV = nRT [t1][t3]. In this equation, 'P' represents pressure, 'V' is volume, 'n' is the number of moles, 'R' is the universal gas constant, and 'T' is the absolute temperature [t1][t8]. The law states that the product of pressure and volume (PV) is equal to the product of the amount of gas, the gas constant, and the temperature [t1]. Consequently, for a fixed amount of gas (constant 'n'), the product PV is directly proportional to the absolute temperature 'T' [t1][t9]. While individual laws like Boyle's Law state that PV is constant at a fixed temperature [t6][t7], the general relationship for an ideal gas dictates that the product of pressure and volume increases or decreases in direct proportion to changes in temperature [c3][t1].

Sources

  1. [1] https://www.sciencedirect.com/topics/engineering/ideal-gas-law
  2. [2] Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 22: Vertical Distribution of Temperature > Example 2: Vehicle tube > p. 296
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