1.

In which reaction triangleS is positvive:

Answer»

`H_2O(L)rarrH_2O(s)`
`3O_2(G)rarr2O_3(g)`
`H_2O(l)rarrH_2O(g)`
`N_2(g)+3H_2(g)rarr2NH_3(g)`

ANSWER :C


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