Which of the answers below is incorrect for diprotic acids and bases?

Why are people not able to skip a dive to the deepest part of the ocean

What does the symbol (–hfus) indicate in a phase change?

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?