MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the work done by 0.5 m3 saturated ethanol which evaporates to 20 kPa atmosphere to form 2 m3 of water vapor? |
| A. | 20 kJ |
| B. | -20 kJ |
| C. | 30 kJ |
| D. | -30 kJ |
| Answer» E. | |