After blood is used, it is recycled back to the heart where it's eventually pumped back through the body. Before it can be reused, which organ must the blood pass through before its returned to the rest of the body?

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?