MCQ
For the process to occur under adiabatic conditions, the correct condition is:
- A$\Delta T=0$
- B$\Delta p=0$
- C$w=0$
- ✓$q=0$
Therefore, alternative $(iv)$ is correct.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(i)\,2Fe(s)\, + \,\frac{3}{2}\,{O_2}\,(g)\, \to \,F{e_2}{O_3}\,(s)\,;$ $\Delta {H^\Theta }\, = \ \,-193.4\,kJ$
$(ii)\,Mg(s)\, + \,\,{O_2}\,(g)\, \to \,MgO\,(s)\,;$ $\Delta {H^\Theta }\, = \, - \,140.2\,kJ$
What is $\Delta {H^\Theta }$ of the reaction ?
$3Mg + Fe_2O_3 \to 3MgO + 2Fe$
.......$kJ$