Question

The enthalpy change when 1 g of water freezes at 0 degree Celsius and 1 atm is? (Delta H fusion= 1.435Kcal/mol)

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Answer 1

Answer:

ΔH

Fusion

= 1.435 Kcal/mole

for 1 mole 1.435 Kcal heat

for

18

1

mole =1.435×

18

1

Kcal heat

= 79.7 cal heat

79.7 cal heat will be released

∴ΔH=−79.7 cal/g

Answer 2

Answer:

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