120 g of an ideal gas of molecular weight 40 g mole–1 are confined to a volume of 20 L at 400 K. The pressure of the gas is-

($R=0.0821$ $L$ $atm$ ${K}^{-1}$ $mol{e}^{-1}$)

1. 3.90 atm

2. 4.92 atm

3. 6.02 atm

4. 2.96 atm

Subtopic:  Ideal Gas Law |
86%
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The temperature of 4.0 mole of a gas occupying 5 dm3 at 3.32 bar is -
(R = 0.083 bar dm
3 K–1 mol–1).

1. 40 K

2. 30 K

3. 20 K

4. 50 K

Subtopic:  Ideal Gas Law |
79%
From NCERT
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Flask X is filled with 20 g of ${\mathrm{CH}}_{4}$ gas at 100 °C and another identical flask Y with 40 g ${\mathrm{O}}_{2}$ gas at the same temperature. The correct statement among the following is –

1. The pressure of the gases in the two flasks is identical

2. The pressure of ${\mathrm{CH}}_{4}$ in flask X is higher than that of ${\mathrm{O}}_{2}$ in flask Y

3. The pressure of ${\mathrm{CH}}_{4}$ in flask X is lower than that of ${\mathrm{O}}_{2}$ in flask Y

4. The pressure of ${\mathrm{CH}}_{4}$ in flask X is half that of ${\mathrm{O}}_{2}$ in flask Y

Subtopic:  Ideal Gas Law |
76%
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Two flasks of equal volume are connected by a narrow tube (of negligible volume) at 27ºC and contain 0.70 mole of ${\mathrm{H}}_{2}$ at 0.5 atm. One of the flasks is then immersed in a hot bath, kept at 127 ºC, while the other remains at 27 ºC. The final pressure is -

1. 5.714 atm

2. 0.5714 atm

3. 2.5214 atm

4. 5.5114 atm

Subtopic:  Ideal Gas Law |
72%
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3.2 g of oxygen  and 0.2 g of hydrogen are placed in a 1.12 litre flask at 0°C.

The total pressure of the gas mixture will be-

1. 1 atm

2. 4 atm

3. 3 atm

4. 2 atm

Subtopic:  Ideal Gas Law |
73%
From NCERT
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The pressure exerted by a mixture of 3.2 g of methane and 4.4 g of carbon dioxide contained in a 9 dm3 flask at 27 °C would be -

$1.$ $8.31$ $×$ ${10}^{4}$ $\mathrm{Pa}$
$2.$ $7.43$ $×$ ${10}^{-4}$ $\mathrm{Pa}$
$3.$ $6.87$ $×$ ${10}^{3}$ $\mathrm{Pa}$
$4.$ $8.31$ $×$ ${10}^{6}$ $\mathrm{Pa}$

Subtopic:  Ideal Gas Law |
67%
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The state of a gas can be described by quoting the relationship between:

1.  Pressure, volume, temperature

2.  Temperature, amount, pressure

3.  Amount, volume, temperature

4.  Pressure, volume, temperature, amount

Subtopic:  Ideal Gas Law |
64%
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A 2.24 L cylinder of oxygen at STP is found to develop a leakage. When the leakage was plugged, the pressure dropped to 570 mm of Hg. The number of moles of gas that escaped will be:

1. 0.050

2. 0.025

3. 0.075

4. 0.01

Subtopic:  Ideal Gas Law |
60%
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1.6 g O2 gas and 0.1 g H2 gas are placed in a 1.12 L flask at 0 oC. The total pressure of the gas mixture will be-

1. 2 atm

2. 3 atm

3. 4 atm

4. 1 atm

Subtopic:  Ideal Gas Law |
62%
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If an open container is heated from 300 K to 400 K, then the % of gas that remains in the container is-

1. 25%

2. 50%

3. 75%

4. 100%

Subtopic:  Ideal Gas Law |
59%
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