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Which of the following quantities depend on temperatures only for a given ideal gas?

(A) the ratio of the pressure and density of the gas (B) internal energy of the gas (C) PV of the gas (D) all of the above

1 Answer

$P = \large \frac {dRT}{M} \Rightarrow \frac{P}{d} = \frac{RT}{M} $$\rightarrow$ depends only on T for a given gas.
$u = nC_v T\rightarrow$ depends on number of moles and T.
$PV = nRT \rightarrow$ depends also on number of moles.
Therefore, the correct answer is (A) ratio of pressure and density of the gas.
answered Jan 22, 2014 by balaji.thirumalai

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