Question

Your classmate says that if all the molecules in a particular liquid had the same speed, and some were able to evaporate, the remaining liquid would not undergo cooling. Do you agree or disagree and why is your explanation to support your answer.

Answer 1

Agreed. It is because gasses cool as they expand (its why you close your mouth when you want to blow on a burn or scrape). You know it is opposite because you use a big mouth to warm your hands.