The heating of a sample of water from -25 to 125 o C involves both the heat capacities of the pure phasaes but also the enthalpies of the melting and boiling of the water.
(The heating of a sample of water; involves; both the heat capacities of the pure phasaes but also the enthalpies of the melting and boiling of the water)
The heating of a sample of water
involves
both the heat capacities of the pure phasaes but also the enthalpies of the melting and boiling of the water