At a constant pressure, the density () of a given mass of an ideal gas is mathematically related to — States of Matter and Gaseous State Chemistry Question
Question
At a constant pressure, the density ($d$) of a given mass of an ideal gas is mathematically related to its absolute temperature ($T$) by which proportionality?
Answer: B
💡 Solution & Explanation
From the ideal gas equation, $PM = dRT$, which rearranges to $d = PM/RT$. At constant pressure and molar mass, $d \propto 1/T$. Thus, density is inversely proportional to absolute temperature.
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