Question

Example for Exothermic reaction:
1) N2(g) + 3H2(g) → 2NH, (g) +92KJ
2) N2(g) + O2(g) → 2NO(g)-180KJ
3) C(graphite) +23(g) → CS, (g) - 91.9KJ
4) 2Hgo→ 2Hg. +0310 -180.4kJ​

Answer 1

Answer:

2

Hello ...............

Answer 2

Answer:

4

Explanation:

plz reply my ans is w or r