MCQOPTIONS
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| 1. |
Normal boiling point of water is 373 K (at 760 mm). Vapor pressure of water at 298 K is 23 mm. If the enthalpy of evaporation is 40.656 kJ/mol, the boiling point of water at 23 mm pressure will be: |
| A. | 250 K |
| B. | 294 K |
| C. | 51.6 K |
| D. | 12.5 K |
| Answer» C. 51.6 K | |