What is meant by the vapor of a substance like $CO_2$?
(N/A) substance is called a vapor if it exists in the gaseous state below its critical temperature and can be liquefied by applying pressure. $CO_2$ is referred to as $CO_2$ vapor when it is at a temperature below its critical temperature of $31.1 \ ^\circ C$.
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Similar Questions
The critical temperatures for carbon dioxide $(CO_2)$ and methane $(CH_4)$ are $31.1 \, ^\circ C$ and $-81.9 \, ^\circ C$ respectively. Which of the following statements is correct regarding their liquefaction?
Medium
View SolutionCritical temperature for carbon dioxide and methane are $31.1^{\circ} C$ and $-81.9^{\circ} C$ respectively. Which of these has stronger intermolecular forces and why?
Easy
View SolutionWhich among the following gases liquefy easily?
$A$ liquid can exist only,
For gases $W, X, Y$ and $Z$,the van der Waals constants are given below. Which gas has the highest critical temperature?
Gas $a$ (atm $L^2$ mol$^{-2}$) $b$ ($L$ mol$^{-1}$) $W$ $4.0$ $0.027$ $X$ $8.0$ $0.030$ $Y$ $6.0$ $0.032$ $Z$ $12.0$ $0.027$
| Gas | $a$ (atm $L^2$ mol$^{-2}$) | $b$ ($L$ mol$^{-1}$) |
|---|---|---|
| $W$ | $4.0$ | $0.027$ |
| $X$ | $8.0$ | $0.030$ |
| $Y$ | $6.0$ | $0.032$ |
| $Z$ | $12.0$ | $0.027$ |
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