Answer to Question #182110 in General Chemistry for Lauren Barad

Question #182110

How many joules are released when 2.4 g H2O at 0.0oC solidify? (Specific Heat = 4.2 J/goC, Enthalpy of fusion = 6010 J/mol, Enthalpy of vaporization = 40700 J/mol)

1
Expert's answer
2021-04-19T05:11:01-0400

Q = mc"\\Delta T"

Q = 2.4×4.18×(25)

Q = 250.8J

Total Energy released = 250.8 + 6010

= 6260.8 J


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