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Chapter 8: Problem 1121

Which of the following is not a thermodynamic co-ordinate. (A) \(\mathrm{R}\) (B) \(\mathrm{P}\) (C) \(\mathrm{T}\) (D) \(\mathrm{V}\)

Short Answer

Expert verified
The answer is (A) \(\mathrm{R}\), as it represents the gas constant, which is a universal constant and not a thermodynamic co-ordinate dependent on the state of a system.

Step by step solution

01

Analyze option (A)

Option (A) denotes the variable R. R usually represents the gas constant in thermodynamics, which is a universal constant and not a variable associated with the state of a system.
02

Analyze option (B)

Option (B) represents pressure (P), which is a thermodynamic co-ordinate. Pressure is a property of a system that changes with the system's state and affects its behavior.
03

Analyze option (C)

Option (C) represents temperature (T). Like pressure, temperature is also a thermodynamic co-ordinate, as it varies with the system's state and influences its properties.
04

Analyze option (D)

Option (D) represents volume (V). Volume is another essential thermodynamic co-ordinate, which characterizes a system's state and affects its behavior.
05

Conclusion

From our analysis, we can conclude that option (A) is not a thermodynamic co-ordinate since it represents the gas constant R, which is a universal constant and does not depend on the state of a system. Therefore, the answer is (A) \(\mathrm{R}\).

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Most popular questions from this chapter

Instructions:Read the assertion and reason carefully to mask the correct option out of the options given below. (A) If both assertion and reason are true and the reason is the correct explanation of the assertion. (B) If both assertion and reason are true but reason is not be correct explanation of assertion. (C) If assertion is true but reason is false. (D) If the assertion and reason both are false. Assertion: The melting point of ice decreases with increase of Pressure Reason: Ice contracts on melting. (A) \(\mathrm{C}\) (B) \(\mathrm{B}\) (C) \(\mathrm{A}\) (D) D

Two cylinders \(\mathrm{A}\) and \(\mathrm{B}\) fitted with piston contain equal amounts of an ideal diatomic gas at \(300 \mathrm{k}\). The piston of \(\mathrm{A}\) is free to move, While that of \(\mathrm{B}\) is held fixed. The same amount of heat is given to the gas in each cylinders. If the rise in temperature of the gas in \(\mathrm{A}\) is \(30 \mathrm{~K}\), then the rise in temperature of the gas in \(\mathrm{B}\) is. (A) \(30 \mathrm{~K}\) (B) \(42 \mathrm{~K}\) (C) \(18 \mathrm{~K}\) (D) \(50 \mathrm{~K}\)

One mole of oxygen is heated at constant pressure starting at $0^{\circ} \mathrm{C}$. How much heat energy in cal must be added to the gas to double its volume ? Take \(\mathrm{R}=2\\{(\mathrm{cal}) /(\) mole \()\\}\) (A) 1938 (B) 1920 (C) 1911 (D) 1957

If heat given to a system is \(6 \mathrm{k}\) cal and work done is $6 \mathrm{kj}$. The change in internal energy is ......... KJ. (A) \(12.4\) (B) 25 (C) \(19.1\) (D) 0

What is the relationship Pressure and temperature for an ideal gas undergoing adiabatic Change. (A) \(\mathrm{PT}^{\gamma}=\) Const (B) \(\mathrm{PT}^{-1+\gamma}=\) Const (C) \(\mathrm{P}^{1-\gamma} \mathrm{T}^{\gamma}=\) Const (D) \(\mathrm{P}^{\gamma-1} \mathrm{~T}^{\gamma}=\) Const
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