Mixing of Non-reacting gases and Mean Free Path
Kinetic Theory of Gases

139391 A vessel of volume $20 \mathrm{~L}$ contains a mixture of hydrogen and helium at temperature of $27^{\circ} \mathrm{C}$ and pressure $2 \mathrm{~atm}$. The mass of mixture is $5 \mathrm{~g}$. Assuming the gases to be ideal, the ratio of mass of hydrogen to that of helium in the given mixture will be:

1 $1: 2$
2 $2: 3$
3 $2: 1$
4 $2: 5$
Kinetic Theory of Gases

139392 Two monoatomic ideal gases $A$ and $B$ occupying the same volume $V$ are at the same temperature $T$ and pressure $P$. If they are mixed, the resultant mixture has volume $V$ and temperature $T$. The pressure of the mixture is

1 $\mathrm{P}$
2 $\frac{\mathrm{P}}{2}$
3 $4 \mathrm{P}$
4 $2 \mathrm{P}$
Kinetic Theory of Gases

139393 If a rubber ball is taken at the depth of $200 \mathrm{~m}$ in a pool, its volume decreases by $0.1 \%$. If the density of water is $1 \times 10^{3} \mathrm{~kg} / \mathrm{m}^{3}$ and $\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}$, then the volume of elasticity in $\mathrm{N} / \mathrm{m}^{2}$ will be

1 $10^{8}$
2 $2 \times 10^{8}$
3 $10^{9}$
4 $2 \times 10^{9}$
Kinetic Theory of Gases

139394 A closed gas cylinder is divided into two parts by a piston held tight. The pressure and the volume of gas in two parts respectively are $(\mathrm{P}, 5 \mathrm{~V})$ and $(10 \mathrm{P}, \mathrm{V})$. If now the piston is left free and the system undergoes isothermal process, then the volume of the gas in two parts, respectively are-

1 $4 \mathrm{~V}, 2 \mathrm{~V}$
2 $5 \mathrm{~V}, \mathrm{~V}$
3 $2 \mathrm{~V}, 4 \mathrm{~V}$
4 $3 \mathrm{~V}, 3 \mathrm{~V}$
Kinetic Theory of Gases

139386 A polyatomic gas with $\mathrm{n}$ degrees of freedom has a mean energy per molecule given by

1 $\frac{\mathrm{nkT}}{\mathrm{N}}$
2 $\frac{n k T}{2 \mathrm{~N}}$
3 $\frac{\mathrm{nkT}}{2}$
4 $\frac{3 \mathrm{kT}}{2}$
Kinetic Theory of Gases

139391 A vessel of volume $20 \mathrm{~L}$ contains a mixture of hydrogen and helium at temperature of $27^{\circ} \mathrm{C}$ and pressure $2 \mathrm{~atm}$. The mass of mixture is $5 \mathrm{~g}$. Assuming the gases to be ideal, the ratio of mass of hydrogen to that of helium in the given mixture will be:

1 $1: 2$
2 $2: 3$
3 $2: 1$
4 $2: 5$
Kinetic Theory of Gases

139392 Two monoatomic ideal gases $A$ and $B$ occupying the same volume $V$ are at the same temperature $T$ and pressure $P$. If they are mixed, the resultant mixture has volume $V$ and temperature $T$. The pressure of the mixture is

1 $\mathrm{P}$
2 $\frac{\mathrm{P}}{2}$
3 $4 \mathrm{P}$
4 $2 \mathrm{P}$
Kinetic Theory of Gases

139393 If a rubber ball is taken at the depth of $200 \mathrm{~m}$ in a pool, its volume decreases by $0.1 \%$. If the density of water is $1 \times 10^{3} \mathrm{~kg} / \mathrm{m}^{3}$ and $\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}$, then the volume of elasticity in $\mathrm{N} / \mathrm{m}^{2}$ will be

1 $10^{8}$
2 $2 \times 10^{8}$
3 $10^{9}$
4 $2 \times 10^{9}$
Kinetic Theory of Gases

139394 A closed gas cylinder is divided into two parts by a piston held tight. The pressure and the volume of gas in two parts respectively are $(\mathrm{P}, 5 \mathrm{~V})$ and $(10 \mathrm{P}, \mathrm{V})$. If now the piston is left free and the system undergoes isothermal process, then the volume of the gas in two parts, respectively are-

1 $4 \mathrm{~V}, 2 \mathrm{~V}$
2 $5 \mathrm{~V}, \mathrm{~V}$
3 $2 \mathrm{~V}, 4 \mathrm{~V}$
4 $3 \mathrm{~V}, 3 \mathrm{~V}$
Kinetic Theory of Gases

139386 A polyatomic gas with $\mathrm{n}$ degrees of freedom has a mean energy per molecule given by

1 $\frac{\mathrm{nkT}}{\mathrm{N}}$
2 $\frac{n k T}{2 \mathrm{~N}}$
3 $\frac{\mathrm{nkT}}{2}$
4 $\frac{3 \mathrm{kT}}{2}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Kinetic Theory of Gases

139391 A vessel of volume $20 \mathrm{~L}$ contains a mixture of hydrogen and helium at temperature of $27^{\circ} \mathrm{C}$ and pressure $2 \mathrm{~atm}$. The mass of mixture is $5 \mathrm{~g}$. Assuming the gases to be ideal, the ratio of mass of hydrogen to that of helium in the given mixture will be:

1 $1: 2$
2 $2: 3$
3 $2: 1$
4 $2: 5$
Kinetic Theory of Gases

139392 Two monoatomic ideal gases $A$ and $B$ occupying the same volume $V$ are at the same temperature $T$ and pressure $P$. If they are mixed, the resultant mixture has volume $V$ and temperature $T$. The pressure of the mixture is

1 $\mathrm{P}$
2 $\frac{\mathrm{P}}{2}$
3 $4 \mathrm{P}$
4 $2 \mathrm{P}$
Kinetic Theory of Gases

139393 If a rubber ball is taken at the depth of $200 \mathrm{~m}$ in a pool, its volume decreases by $0.1 \%$. If the density of water is $1 \times 10^{3} \mathrm{~kg} / \mathrm{m}^{3}$ and $\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}$, then the volume of elasticity in $\mathrm{N} / \mathrm{m}^{2}$ will be

1 $10^{8}$
2 $2 \times 10^{8}$
3 $10^{9}$
4 $2 \times 10^{9}$
Kinetic Theory of Gases

139394 A closed gas cylinder is divided into two parts by a piston held tight. The pressure and the volume of gas in two parts respectively are $(\mathrm{P}, 5 \mathrm{~V})$ and $(10 \mathrm{P}, \mathrm{V})$. If now the piston is left free and the system undergoes isothermal process, then the volume of the gas in two parts, respectively are-

1 $4 \mathrm{~V}, 2 \mathrm{~V}$
2 $5 \mathrm{~V}, \mathrm{~V}$
3 $2 \mathrm{~V}, 4 \mathrm{~V}$
4 $3 \mathrm{~V}, 3 \mathrm{~V}$
Kinetic Theory of Gases

139386 A polyatomic gas with $\mathrm{n}$ degrees of freedom has a mean energy per molecule given by

1 $\frac{\mathrm{nkT}}{\mathrm{N}}$
2 $\frac{n k T}{2 \mathrm{~N}}$
3 $\frac{\mathrm{nkT}}{2}$
4 $\frac{3 \mathrm{kT}}{2}$
Kinetic Theory of Gases

139391 A vessel of volume $20 \mathrm{~L}$ contains a mixture of hydrogen and helium at temperature of $27^{\circ} \mathrm{C}$ and pressure $2 \mathrm{~atm}$. The mass of mixture is $5 \mathrm{~g}$. Assuming the gases to be ideal, the ratio of mass of hydrogen to that of helium in the given mixture will be:

1 $1: 2$
2 $2: 3$
3 $2: 1$
4 $2: 5$
Kinetic Theory of Gases

139392 Two monoatomic ideal gases $A$ and $B$ occupying the same volume $V$ are at the same temperature $T$ and pressure $P$. If they are mixed, the resultant mixture has volume $V$ and temperature $T$. The pressure of the mixture is

1 $\mathrm{P}$
2 $\frac{\mathrm{P}}{2}$
3 $4 \mathrm{P}$
4 $2 \mathrm{P}$
Kinetic Theory of Gases

139393 If a rubber ball is taken at the depth of $200 \mathrm{~m}$ in a pool, its volume decreases by $0.1 \%$. If the density of water is $1 \times 10^{3} \mathrm{~kg} / \mathrm{m}^{3}$ and $\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}$, then the volume of elasticity in $\mathrm{N} / \mathrm{m}^{2}$ will be

1 $10^{8}$
2 $2 \times 10^{8}$
3 $10^{9}$
4 $2 \times 10^{9}$
Kinetic Theory of Gases

139394 A closed gas cylinder is divided into two parts by a piston held tight. The pressure and the volume of gas in two parts respectively are $(\mathrm{P}, 5 \mathrm{~V})$ and $(10 \mathrm{P}, \mathrm{V})$. If now the piston is left free and the system undergoes isothermal process, then the volume of the gas in two parts, respectively are-

1 $4 \mathrm{~V}, 2 \mathrm{~V}$
2 $5 \mathrm{~V}, \mathrm{~V}$
3 $2 \mathrm{~V}, 4 \mathrm{~V}$
4 $3 \mathrm{~V}, 3 \mathrm{~V}$
Kinetic Theory of Gases

139386 A polyatomic gas with $\mathrm{n}$ degrees of freedom has a mean energy per molecule given by

1 $\frac{\mathrm{nkT}}{\mathrm{N}}$
2 $\frac{n k T}{2 \mathrm{~N}}$
3 $\frac{\mathrm{nkT}}{2}$
4 $\frac{3 \mathrm{kT}}{2}$
Kinetic Theory of Gases

139391 A vessel of volume $20 \mathrm{~L}$ contains a mixture of hydrogen and helium at temperature of $27^{\circ} \mathrm{C}$ and pressure $2 \mathrm{~atm}$. The mass of mixture is $5 \mathrm{~g}$. Assuming the gases to be ideal, the ratio of mass of hydrogen to that of helium in the given mixture will be:

1 $1: 2$
2 $2: 3$
3 $2: 1$
4 $2: 5$
Kinetic Theory of Gases

139392 Two monoatomic ideal gases $A$ and $B$ occupying the same volume $V$ are at the same temperature $T$ and pressure $P$. If they are mixed, the resultant mixture has volume $V$ and temperature $T$. The pressure of the mixture is

1 $\mathrm{P}$
2 $\frac{\mathrm{P}}{2}$
3 $4 \mathrm{P}$
4 $2 \mathrm{P}$
Kinetic Theory of Gases

139393 If a rubber ball is taken at the depth of $200 \mathrm{~m}$ in a pool, its volume decreases by $0.1 \%$. If the density of water is $1 \times 10^{3} \mathrm{~kg} / \mathrm{m}^{3}$ and $\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}$, then the volume of elasticity in $\mathrm{N} / \mathrm{m}^{2}$ will be

1 $10^{8}$
2 $2 \times 10^{8}$
3 $10^{9}$
4 $2 \times 10^{9}$
Kinetic Theory of Gases

139394 A closed gas cylinder is divided into two parts by a piston held tight. The pressure and the volume of gas in two parts respectively are $(\mathrm{P}, 5 \mathrm{~V})$ and $(10 \mathrm{P}, \mathrm{V})$. If now the piston is left free and the system undergoes isothermal process, then the volume of the gas in two parts, respectively are-

1 $4 \mathrm{~V}, 2 \mathrm{~V}$
2 $5 \mathrm{~V}, \mathrm{~V}$
3 $2 \mathrm{~V}, 4 \mathrm{~V}$
4 $3 \mathrm{~V}, 3 \mathrm{~V}$
Kinetic Theory of Gases

139386 A polyatomic gas with $\mathrm{n}$ degrees of freedom has a mean energy per molecule given by

1 $\frac{\mathrm{nkT}}{\mathrm{N}}$
2 $\frac{n k T}{2 \mathrm{~N}}$
3 $\frac{\mathrm{nkT}}{2}$
4 $\frac{3 \mathrm{kT}}{2}$