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If the collision frequency of hydrogen molecules in a closed chamber at $27^{\circ} \mathrm{C}$ is $\mathrm{Z}$, then the collision frequency of the same system at $127^{\circ} \mathrm{C}$ is :
A hydrogen cylinder is designed to withstand an internal pressure of $100 \,atm$. At $27^{\circ} C$, hydrogen is pumped into the cylinder which exerts a pressure of $20 \,atm$. At what temperature does the danger of explosion first sets in ......... $K$
A cylinder containing gas at $27\,^oC$ is divided into two parts of equal volume each $100\,^oc$ and at equal pressure by a piston of cross sectional area $10.85\,\, cm^2$. The gas in one part is raised in temperature to $100\,^oC$ while the other maintained at original temperature. The piston and wall are perfect insulators. How far will the piston move during the change in temperature.... $cm$ .
A container contains $32 \,g$ of $O _2$ at a temperature $T$. The pressure of the gas is $P$. An identical container containing $4 g$ of $H _2$ at a temperature $2 T$ has a pressure of ............
If a given mass of gas occupies a volume of $10\, cc$ at $1$ atmospheric pressure and temperature of $100°C(373.15\, K).$ What will be its volume at 4 atmospheric pressure; the temperature being the same .... $cc$