JAMB - Chemistry (2015 - No. 40)
NH3(g) + HCl(s) → NH 4Cl (s)
The entropy change in the system above is
The entropy change in the system above is
positive
zero
negative
intermediate
توضیح
Entropy s is a measure of the degree of disorder or randomness of a substance. The entropy charge in the system is negative. Options B, C, D will not give negative but the result into positive