Given: AG=AH-TAS AG=AH-TAS AG AGO+RT In Q The Second Law: In a spontaneous process, the entropy...
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Given: AG=AH-TAS AG=AH-TAS AG AGO+RT In Q The Second Law: In a spontaneous process, the entropy of the universe increases. 1) For each of the following systems, predict the sign of AS (+ or -). a. CO₂(g) → CO₂ (s) b. 1 mol Ar in 1 L→ 1 mol Ar in 10 L c. H₂(g) → 2H(g) d. N₂(g) + 3H₂(g) → 2NH₂(g) e. NaCl(s) → NaCl(aq) f. unfolded protein folded (active) protein 2) Consider the melting of water: H₂O (s) → H₂O (1) a. What is the sign of AS, for this process? b. What is the sign of AH for this process? C. When water melts, what is the sign of ASsurroundings? d. When water spontaneously melts, what is the sign of ASuniverse? e. Based on your answers to parts a and b, under what conditions do you expect this reaction to occur spontaneously? (high T, low T, always, or never) Given: AG=AH-TAS AG=AH-TAS AG AGO+RT In Q The Second Law: In a spontaneous process, the entropy of the universe increases. 1) For each of the following systems, predict the sign of AS (+ or -). a. CO₂(g) → CO₂ (s) b. 1 mol Ar in 1 L→ 1 mol Ar in 10 L c. H₂(g) → 2H(g) d. N₂(g) + 3H₂(g) → 2NH₂(g) e. NaCl(s) → NaCl(aq) f. unfolded protein folded (active) protein 2) Consider the melting of water: H₂O (s) → H₂O (1) a. What is the sign of AS, for this process? b. What is the sign of AH for this process? C. When water melts, what is the sign of ASsurroundings? d. When water spontaneously melts, what is the sign of ASuniverse? e. Based on your answers to parts a and b, under what conditions do you expect this reaction to occur spontaneously? (high T, low T, always, or never)
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1 a AS 0 negative The solid phase has lower entropy than the gaseous phase so the transition from ga... View the full answer
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