Question

when a solid melts there is

Options
A) An increase in enthalpy
B) A decrease in enthalpy
C) NO change in enthalpy
D) A decrease in internal energy

Please say the answer !​

Answer 1

Answer:

An increase in enthalpy...

Hope it helps..

Answer 2

Answer:

A) An increase in enthalpy

As solid melts into liquids it's free energy can increase stored as heat of the substance we can call as enthalpy. so changing state from solid to liquid it's enthalpy increases