MCQ
For which reaction $\Delta H =\Delta U$ ?
- A$CO _{( g )}+\frac{1}{2} O _{2( g )} \longrightarrow CO _{2( g )}$
- ✓$C _6 H _{12} O _6+6 O _{2( g )} \longrightarrow 6 CO _{2( g )}+6 H _2 O _{(0)}$
- C$CaCO _{3( S )} \longrightarrow CaO _{( S )}+ CO _{2( g )}$
- D$C _{( S )}+\frac{1}{2} O _{2( s )} \longrightarrow CO _{( g )}$