Chemical Engineering Thermodynamics
A change in state involving a decrease in entropy can be spontaneous, only if

It is isenthalpic
It is exothermic
It takes place at constant volume
It takes place isothermally

ANSWER DOWNLOAD EXAMIANS APP

Chemical Engineering Thermodynamics
A large iceberg melts at the base, but not at the top, because of the reason that

Due to the high pressure at the base, its melting point reduces
Ice at the base contains impurities which lowers its melting point
The iceberg remains in a warmer condition at the base
All of these

ANSWER DOWNLOAD EXAMIANS APP