| 41. | A gas mixture with 6% O₂ with pressure 1 atm at 27°C is entered a reactor with rate F, and another stream with pure O₂ with 2 atm pressure at 27°C entered the reactor with rate 1 liter/s, product has 10% O₂ with same conditions with rate P, what is the value of F? |
| a. | 575.5 liter/s |
| b. | 725 liter/s |
| c. | 895 liter/s |
| d. | 997.5 liter/s |
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Answer: (d).997.5 liter/s
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| 42. | A mixture with 60% O₂ and 40% H₂ with pressure 5 Pa at 27°C at the rate 15 liter/s is passed through a reactor with another stream containing pure H₂ with pressure 10 Pa at 27°C at the rate 5 liter/s, what is the fraction of H₂ with pressure 5 Pa at 27°C in product? |
| a. | 0.2 |
| b. | 0.4 |
| c. | 0.6 |
| d. | 0.8 |
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Answer: (d).0.8
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| 43. | A gas mixture has 10% CH₄ with pressure 5 Pa at 27°C at the rate F, is passed through a reactor with another stream containing 60% CH₄ with pressure 5 Pa at -73°C at the rate 10 liter/s, if the percentage of CH₄ with pressure 5 Pa at 27°C in product is 80%, what is the value of F? |
| a. | 1 liter/s |
| b. | 1.4 liter/s |
| c. | 2 liter/s |
| d. | 2.6 liter/s |
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Answer: (b).1.4 liter/s
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| 44. | A gas mixture with 50% H₂ at the rate F is passed through a reactor and it produced a gas mixture with 80% H₂ at the rate 15 liter/s, what is the value of F? |
| a. | 5 liter/s |
| b. | 8 liter/s |
| c. | 15 liter/s |
| d. | 24 liter/s |
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Answer: (d).24 liter/s
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| 45. | A gas mixture with 20% O₂ with pressure 100 Pa at 27°C at the rate 50 liter/s is passed through a reactor and products a gas mixture with 40% O₂ with pressure 25 Pa at 27°C, what is the rate of product? |
| a. | 50 liter/s |
| b. | 100 liter/s |
| c. | 200 liter/s |
| d. | 400 liter/s |
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Answer: (b).100 liter/s
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