Question 31 : Pressure of a gas at temperature T is P, What is the pressure of the gas at 2T, use B = 1?
1. Pe^1/T
2. Pe^1/2T
3. Pe^1/3T
4. Pe^1/4T
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Question 32 : Pressure of a gas at 127^oC is 10 mm Hg and the pressure at 527^oC is 20 Pa, what is the value of B?
1. 225.1
2. 365.5
3. 499.2
4. 554.5
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Question 33 : If the pressure of a gas at 27^oC is 15 mm Hg, what will be its pressure at 127^oC, use B = 5 X 10³, C = 0, T is in kelvin and P is in mm Hg?
1. 579 mm Hg
2. 775 mm Hg
3. 961 mm Hg
4. 999 mm Hg
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Question 34 : A material's mass is given by the equation, m = 32P^0.02/T^0.5, where T is in Kelvin, m is in Kg and P is in mm Hg, what is the mass of material at 127^oC, use A = 10, B = 6 X 10³ and C = 0?
1. 1.44 Kg
2. 1.69 Kg
3. 1.96 Kg
4. 2.25 Kg
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Question 35 : What is the pressure of a gas at T = 227^oC, it is given that A = 5, B = 4 X 104 and C = 0 if T is in kelvin and p in mm Hg?
1. 0.024 mm Hg
2. 0.049 mm Hg
3. 0.075 mm Hg
4. 0.096 mm Hg
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Question 36 : What is the unit of 'a' in RK equation?
1. Liter/mole
2. Atm(liter/mole)
3. Atm(liter/mole)K^0.5
4. Atm(liter/mole)K
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Question 37 : What is the unit of ? in the SRK equation?
1. Liter/mole
2. Mole/Liter
3. Atm(liter/mole)
4. It is dimensionless
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Question 38 : What is the unit of 'b' in Peng Robinson equation?
1. Liter/mole
2. Liter²/mole²
3. Mole/Liter
4. Mole²/Liter²
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Question 39 : A container is filled with a gas at 10 atm with molar volume 1 liter/mole, if B = – 0.053 liter/mole, C = 0.0026 liter²/mole², what is the temperature of gas? (Use virial equation, neglect higher terms)
1. 128.2 K
2. 156.9 K
3. 198.5 K
4. 243.6 K
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Question 40 : What is the pressure of CO₂ at 0^oC, molar volume = 4 liter/mole, if B = – 0.053 liter/mole, C = 0.0026 liter²/mole²? (Use virial equation, neglect higher terms)
1. 2.4 atm
2. 4.1 atm
3. 5.5 atm
4. 6.9 atm
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