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The sign of $\Delta G$ for the process of melting of ice at 273 K and 1 atm pressure is

(a) positive
(b) negative
(c) neither negative nor positive
(d) either negative or positive

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  • Melting of ice is spontaneous above 273 K at one atm pressure.
Answer: neither negative nor positive
Melting of ice is spontaneous above 273 K at one atm pressure.
At 273 K and 1 atm, there is equilibrium $H_2O(s) \leftrightharpoons H_2O(l)$
Hence, $\Delta G = 0$
answered Feb 24, 2014 by mosymeow_1
 

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