Home
Class 12
CHEMISTRY
The molar heat of formation of NH(4)NO(3...

The molar heat of formation of `NH_(4)NO_(3)(s)` is `-367.5kJ ` and those of `N_(2)O(g)` and `H_(2)O(l)` are `+81.46kJ and -285.78kJ` respectively at `25^(@)C` and 1 atmospheric pressure. Calculate the `DeltaH` and `DeltaU` for the reaction,
`NH_(4)NO_(3)(s)toN_(2)O(g)+2H_(2)O(l)`

Text Solution

Verified by Experts

`DeltaH = -122.56 kJ mol^(-1) , DeltaU = -125.04 kJ mol^(-1)`.
Promotional Banner

Similar Questions

Explore conceptually related problems

The molar heat of formation of NH_(4)NO_(3(s)) is -367.54kJ and those of N_(2)O_((g)), H_(2)O_((l)) are 81.46 and -285.8kJ respectively at 25^(@)C and 1 atmosphere pressure. Calculate DeltaH and DeltaU of the reaction NH_(4)NO_(3(s))rarr N_(2)O_((g))+2H_(2)O_((l)) .

The molar heat of formation of NH_(4)NO_(3)(s) is -360.0kJ and those of N_(2)O(g) and H_(2)O(l) are +80.00kJ and -285.00kJ , respectively, at 25^(@)C and 1atm . Calculate DeltaH and DeltaU for the reaction. NH_(4)NO_(3)(s) rarr N_(2)O(g) +2H_(2)O(l)

The heat of formation of H_(2)O_((l)) is -286.2 kJ. The heat of formation of H_(2)O_((g)) is likely to be

The molar heat ofreaction of NH_(4)NO_(3(s)) rarr N_(2)O_((g)) + 2H_(2)O_((l))," is "-122.55 KJ" at "25^(@)C and 1.0 atmospheric pressure. Delta U for the reaction :

The stadard heats of formation of NO_(2)(g) and N_(2)O_(4) (g) are 33.5 and 8.4 kJ mol^(-1) respectively. The heat of dimerisation of NO_(2) in kJ is

Standard heat of formation of CH_(4)(g), CO_(2)(g) and H_(2)O(l) are -75, -393.5, -286 kJ respectively. Find out the change in enthalpy for the reaction. CH_(4)(g)+2O_(2)(g)rarr CO_(2)(g)+2H_(2)O(l)