In what reaction of the following, work is done by the system on the surroundings?
(a) Hg (I) → Hg (g)
(b) 3O₂ (g) → 2O₃ (g)
(c) H₂ (g) + Cl₂ (g) → 2HCl (g)
(d) N₂ (g) + 3H₂ (g) → 2NH₃ (g)
Answers
Answered by
7
Answer:
b. formation of ozone when uv rays breaks oxygen to nascent oxygen then to ozone.
Answered by
0
Answer:
(a) Hg (l) ✈︎ Hg (g)
Explanation:
Because, Mercury is in liquid form when we heated it, it converted into gas form It means the heat is evolved from the system. It shows that the work is done by the system on the surroundings.
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