If you heated water to 100 o C (boiling water) then, each ml of the boiling water will give you 75 cal before reaching the temperature of 25 o C where no more heat exchange can occur.
(each ml of the boiling water; will give; you; 75 cal; T:before reaching the temperature of 25 o C; T:then) (no more heat exchange; can occur; L:25 o C)
each ml of the boiling water no more heat exchange
will give can occur
you 75 cal T:before reaching the temperature of 25 o C T:then
L:25 o C