The kilojoules of heat that would be liberated by the condensation of 5. 00 g of acetone is 2.612 kJ.
What is the molar heat of vaporization?
The molar heat of vaporization is the amount of energy required to convert one mole of a chemical substance from the liquid to the gaseous phase provided that the temperature and pressure are constant.
From the given parameters:
- The molar heat of vaporization = 30.3 kJ/mol
- The mass of acetone liberated = 5.00 g
- The molar mass of acetone = 58 g/mol
Therefore, the amount of heat that would be liberated by the condensation of 5.00 g of acetone is:
[tex]\mathbf{ =\dfrac{ 5.00 g}{58 \ g/mol } \times 30.3 \ kJ/mol }[/tex]
= 2.612 kJ
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