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enyata [817]
3 years ago
11

During an experiment, distilled water was placed in a sealed container and the container was heated gradually. Describe this sys

tem when it reaches phase equilibrium. (10 points)
Chemistry
1 answer:
Bumek [7]3 years ago
6 0

Explanation:

At first, the container just contains a liquid phase. As the temperature rises, so does the pressure, as well as a liquid-vapor phase equilibrium is created. If we heat it past boiling point, it reaches the crucial stage at 3740C and 217.7 atm pressure, when the border between the two phases vanishes and just a single phase remains, known as liquid phase.

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when m is the mass of ice = mol * molar mass

                                             =  1 mol * 18 mol/g

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∴the total change of enthalpy = q1+q2+q3

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                                                  = 12.405 KJ


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