Which of the reaction defines molar `DeltaH_(f)^(@)` ?
A. `N_(2)(g)+3H_(2)(g)to2NH_(3)(g),H_(25^(@)C)^(@)=-92.2 kJ`
B. `(1)/(2)Br_(2)(g)=(1)/(2)H_(2)(g)toHBr(g)`
C. `N_(2)(g)+2H_(2)(g)+(3)/(2)O_(2)(g)toNH_(4)NO_(3)(s)`
D. `I_(2)(s)=H_(2)(g)to2HI(g)`
A. `N_(2)(g)+3H_(2)(g)to2NH_(3)(g),H_(25^(@)C)^(@)=-92.2 kJ`
B. `(1)/(2)Br_(2)(g)=(1)/(2)H_(2)(g)toHBr(g)`
C. `N_(2)(g)+2H_(2)(g)+(3)/(2)O_(2)(g)toNH_(4)NO_(3)(s)`
D. `I_(2)(s)=H_(2)(g)to2HI(g)`
Correct Answer – C