(a) State whether entropy increases or decreases during each of the following processes (i) condensation...
CHEMISTRY
WAEC 1994
(a) State whether entropy increases or decreases during each of the following processes
(i) condensation of steam;
(ii) melting of wax;
(iii) dissolution of sugar in water;
(iv) abscas on charcoal.
(b) What deduction can be made in each case given that the value of the free energy change for a particular reaction is:
(i) zero;
ii) negative
Explanation
(a) (i) The entropy decreases
(ii) The entropy increases
(iii) The entropy increases
(iv) The entropy decreases.
(b)(i) The reaction is at equilibrium.
(iii) The reaction is feasible.
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