Questions 2-4: Pick 2 of the 3 questions to complete (you can still do all 3 for

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Questions 2-4: Pick 2 of the 3 questions to complete (you can still do all 3 for the most practice!) Consider the entropy of the initial and final states during physical changes. For each change, answer each of the following three. Note: you will need to consider whether the process is exothermic or endothermic (as written) a. Which state is more likely from a thermal entropy standpoint, the initial or final state? Explain why in terms of energy probability (dispersal of energy). Which state is more likely from a structural entropy standpoint, the initial or final state? Explain why in terms of structure probability (dispersal of particles). Based on your answers to parts a. and b., would you expect to observe the initial or final state (as written)? Explain. b. c. 3. 4. Consider the vaporization ofwater: H2O(l) H2O(g) Consider the freezing of apple juice: Juice(1)Juice(s)

Explanation / Answer

3. a) state H2O(g) , b) state  H2O(l) (

The total entropychange can then be used to predict whether a reaction is feasible or not at a given temperature.

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