E-PolyLearning

11. What is the pressure of a 5 liter/mole ideal gas at temperature 27°C?
a. 2.5 atm
b. 3.8 atm
c. 4.4 atm
d. 5.3 atm
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Answer: (d).5.3 atm

12. What is the Temperature of a 2 liter/mole ideal gas with pressure 10 atm?
a. 243.6 K
b. 268.4 K
c. 289.1 K
d. 313.5 K
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Answer: (a).243.6 K

13. First of the two ideal gases has twice molar volume as much as the second at same temperature, what is the ratio of their pressures?
a. 4:1
b. 1:4
c. 2:1
d. 1:2
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Answer: (d).1:2

14. 88 grams of CO₂ at 27°C is applying 5 atm pressure, what is the volume occupied by it?
a. 5.6 liter
b. 7.9 liter
c. 9.8 liter
d. 12.2 liter
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Answer: (c).9.8 liter

15. What is the density of O₂ at 27°C with pressure 1 atm?
a. 1.1 g/L
b. 1.3 g/L
c. 1.5 g/L
d. 1.7 g/L
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Answer: (b).1.3 g/L

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