Question

In which of the reactions at constant pressure
sign of work done is -ve.
(1) H,O (s) - → H2O(g)
(2) H,O () —H2O(s)
H
(3) CaCO3(s) → CaO (s) + CO2(g)
(4) All of these​

Answer 1

Answer:

(4) All of these reactions at constant pressure sign of work done is -ve