1. State the third law of thermodynamics in your own words and explain it using words and a mathematical relation. 2. Identify the signs of enthalpy and entropy changes for the following spontaneous processes and explain your answer choice: Burningofloginopenair Breakdown of glucose inside a living cell through respiration 3. Using the ideas learned from the second and third law of thermodynamics, explain why the reverse of a ping-pong ball rolling down a slope cannot be a spontaneous process. Use both signs and qualitative magnitudes of free energy change, enthalpy change, and entropy change to support your answer. 3. Using the ideas learned from the second and third law of thermodynamics, explain why the reverse of a ping-pong ball rolling down a slope cannot be a spontaneous process. Use both signs and qualitative magnitudes of free energy change, enthalpy change, and entropy change to support your answer. 4. The free energy change for the following hypothetical reaction is positive at room temperature. 3A (s) + small amount of heat 1 B(g)+3C (I) The same reaction when done at 120C becomes spontaneous. In a separate experiment you identified that C is water. Explain this observation