NEET UG CHEMISTRY MCQ: STATES OF MATTER

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Two closed vessels of equal volume containing air at pressure

{p_1}

and temperature

{T_1}

are connected to each other through a narrow tube. If the temperature in one of the vessels is now maintained at

{T_1}

and that in the other at

{T_2}

, what will be the pressure in the vessels?

View answer and explanation

Correct option: A

\frac{{2{p_1}{T_1}}}{{{T_1} + {T_2}}}

The correct answer is

\frac{{2{p_1}{T_1}}}{{{T_1} + {T_2}}}

. The final pressure is derived by considering the conservation of moles and applying the ideal gas law.

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\begin{array}{cccccccccccccccccccc} {\underline {{\text{Gas}}} }&{\underline {\,{\text{Critical}}\,\,{\text{temperature}}} } \\ {\text{A}}&{{T_{{C_1}}}} \\ {\text{B}}&{{T_{{C_2}}}} \\ {\text{C}}&{{T_{{C_3}}}} \\ {\text{D}}&{{T_{{C_4}}}} \end{array}

{T_{{C_1}}} > {T_{{C_2}}} > {T_{{C_3}}} > {T_{{C_4}}}

{r^x}

r

x