Home
Class 12
CHEMISTRY
Calculate the enthalpy change of freezin...

Calculate the enthalpy change of freezing of `1.0` mol of water at `10^(@)C` to ice at `-10^(@)C, Delta_(fus)H=6.03 kJ mol^(-1)` at `0^(@)C`.
`C_(P)[H_(2)O(l)]=75.3 J mol^(-1) K^(-1)`
`C_(P)[H_(2)O(s)]=36.8 J mol^(-1) K^(-1)`

A

`-8.153(KJ)/(mol)`

B

`+7.251(KJ)/(mol)`

C

`-7.151(KJ)/(mol)`

D

`-6.115(KJ)/(mol)`

Text Solution

Verified by Experts

The correct Answer is:
C
`N//A`
Promotional Banner

Similar Questions

Explore conceptually related problems

Calculate the enthalpy of combustion of acetic (1) when burnt in excess of O_(2) in a bomb calorimeter. Given that DeltaH_(f)^(@), H_(2)O_((l))=-285.84" KJ mol"^(-1) and Delta_(f)H^(@), CO_(2(g))=-"393.52 KJ mol"^(-1), Delta_(f)H^(@)CH_(3)COOH_((l))=-"463 Kj mol"^(-1) .

The freezing poing of an aqueous solution of a non-electrolyte is -0.14^(@)C . The molarity of this solution is [K_(f) (H_(2)O) = 1.86 kg mol^(-1)] :

For an aqueous solution freezing point is -0.186^(@)C . The boiling point of the same solution is (K_(f) = 1.86^(@)mol^(-1)kg) and (K_(b) = 0.512 mol^(-1) kg)