E-PolyLearning

31. What is the total pressure of contained if it contains 0.5 fraction of O₂ with partial pressure 3 Pa, 0.3 fraction of H₂ with partial pressure 5 Pa, 0.2 fraction of CO₂ with partial pressure 15 Pa?
a. 6 Pa
b. 7 Pa
c. 8 Pa
d. 9 Pa
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Answer: (a).6 Pa

32. What is the total pressure of contained if it contains 0.3 fraction of N₂ with partial pressure 8 Pa, 0.3 fraction of H₂ with partial pressure 2 Pa, 0.4 fraction of CO₂ with partial pressure 15 Pa?
a. 6.4 Pa
b. 7 Pa
c. 8.5 Pa
d. 9 Pa
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Answer: (d).9 Pa

33. What is the partial pressure of O₂ with fraction 0.1, if the total pressure is 10 Pa?
a. 1 Pa
b. 3 Pa
c. 5 Pa
d. 7 Pa
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Answer: (a).1 Pa

34. A container with total volume 10 liter is filled with 20% of O₂, 40% of N₂, and 40% of CO, what is the volume of O₂?
a. 2 liter
b. 4 liter
c. 8 liter
d. 10 liter
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Answer: (d).10 liter

35. A vessel contains 10 moles of O₂ and some other gases, total pressure is 10 atm, what is the partial pressure of O₂?
a. 1 atm
b. 10 atm
c. 100 atm
d. Cannot be determined
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Answer: (d).Cannot be determined