Question 41 : The highest pressure gas of a mixture has partial pressure p, the partial pressure of other gases decreases by factor of 2^n-1, the partial pressure of second gases decreases by a factor of 2, partial pressure of third gas increases by 4, and so on, if the total pressure of gas mixture is 31p/16, how many gases are present in the mixture?
1. 3
2. 5
3. 10
4. 15
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Question 42 : A gas mixture contains 30% CO₂, 40% O₂, 30% N₂, if the partial pressure of CO₂ is 6 Pa, what is the total pressure of gas mixture?
1. 6 Pa
2. 10 Pa
3. 20 Pa
4. 60 Pa
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Question 43 : The fraction of gas in a container is 0.5, if the total volume of the container is 6 liter, what is the volume of the gas?
1. 2 liter
2. 3 liter
3. 5 liter
4. 6 liter
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Question 44 : The fraction of gas in a container is 0.1, if the total pressure of the container is 10 atm, what is the partial pressure of the gas?
1. 1 atm
2. 5 atm
3. 10 atm
4. 20 atm
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Question 45 : A container has two gases at 27^oC, one with molar volume 6 L/mole, another with molar volume 3 L/mole, what is the total pressure of the container?
1. 6.9 atm
2. 8.5 atm
3. 12.3 atm
4. 15.8 atm
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Question 46 : Which of the following is not the unit of R?
1. Atm.liter/K.mole
2. Pa.m³/K
3. N.Kg.m³/K.mole
4. None of the mentioned
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Question 47 : What is the compressibility factor for an ideal gas?
1. 1
2. 2
3. 3
4. Depends on the gas
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Question 48 : What is the specific gravity of CO at 27^oC and pressure 5 atm with respect to air (molecular wt. = 29 g) at 27^oC and pressure 10 atm?
1. 0.48
2. 0.56
3. 0.64
4. 0.72
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Question 49 : What is the specific gravity of CO₂ at 27^oC and pressure 1 atm with respect to air of with density 1 g/L?
1. 1.23
2. 1.55
3. 1.78
4. 1.96
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Question 50 : What is the molecular mass of an ideal gas with pressure 1 atm, and density 10 g/L at temperature 27^oC?
1. 84.5 g
2. 135.1 g
3. 186.8 g
4. 246.3 g
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