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One mole of an ideal gas at $STP$ is heated in an insulated closed container until the average speed of its molecules is doubled. Its pressure would therefore increase by factor.
A gas is collected over the water at $25°C.$ The total pressure of moist gas was $735 \,mm$ of mercury. If the aqueous vapour pressure at $25°C$ is $23.8\, mm.$ Then the pressure of dry gas is..... $mm$
Figure shows two flasks connected to each other. The volume of the flask $1$ is twice that of flask $2.$ The system is filled with an ideal gas at temperature $100\, K$ and $200 \,K $ respectively. If the mass of the gas in $1$ be $m$ then what is the mass of the gas in flask $2$
Two containers $C_{1}$ and $C_{2}$ of volumes $V$ and $4 \,V$ respectively, hold the same ideal gas and are connected by a thin horizontal tube of negligible volume with a valve which is initially closed. The initial pressures of the gas in $C_{1}$ and $C_{2}$ are $p$ and $5 p$, respectively. Heat baths are employed to maintain the temperatures in the containers at $300 \,K$ and $400 \,K$, respectively. The valve is now opened. Select the correct statement.
When a gas in a closed vessel was heated so as to increase its temperature by ${5^o}C$, there occurred an increase of $1\%$ in its pressure. The original temperature of the gas was ...... $^oC$