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#4 | Solved Examples on Ideas Gas Equation
(Chemistry) > States of Matter

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An ideal gas cannot be liquified because                                          

1. its critical temperature is always above 0°C

2. its molecules are relatively smaller in size

3. it solidifies before becoming a liquid

4. forces operating between its molecules are negligible

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The correct value of the gas constant 'R' is close to 

1. 0.082 L atm K

2. 0.082 L atm K-1 mol-1

3. 0.082 L atm-1 K mol-1

4. 0.082 L-1 atm-1 K mol

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While He is allowed to expand through a small jet under adiabatic condition heating effect is observed. This is due to the fact that:

1. helium is an inert gas

2. helium is a noble gas

3. helium is an ideal gas

4. the inversion temperature of helium is very low

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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%

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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

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