Will give brainiest and 100 points for the best and correct answer. b. Describe two sets of conditions of heat and work for which there is a decrease in molecular motion. (4 points)

c. Write one or two sentences describing the function of a heat pump and how it obeys the law of conservation of energy. (2 points)

d. A living organism, such as a cat, is a very orderly system. Explain why the low entropy of a cat does not contradict the second law of thermodynamics.(2 points)

Question 4: Phase Changes (9 points)

a. The temperature of a substance does not change as the substance boils. Write two or three sentences to explain this at a molecular level. (2points)

b. How does the heat of vaporization of water compare to the heat of vaporization of other, similar substances? Explain the difference in one or two sentences. (2 points)

c. How much more heat is needed to boil 3.0 kg of water than is needed to melt it? The latent heat of vaporization for water is 2260 kJ/kg, and the latent heat of fusion is 333 kJ/kg. Show your work. (3 points)

d. When the temperature is expected to drop below freezing, a citrus farmer sprays water on the trees and fruit. Write two or three sentences explaining how this technique protects the farmer's crops from freezing. Hint: Remember that liquid water has more potential energy than ice. (2 points)