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5. (a) Predict the sign of AS for each of the following changes. Explain your response: Change Sign Explanation or i C2H4 (g) H2 (g) C2H6 (g) Ca3(PO4)2 (s) 3 Ca2+ (aq) 4 (aq) i 2 (g) E2 CO2 (s) (b) Given the following reaction: (aq) Br 2 (aq) Br209) OH (aq) calculate the equilibrium constant for the reaction under standard pressure at 298 K given AH (kJ mol AS 111.89 J (mol K)Need help on this question.Thank you

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Change 1) C2H4(g) H2(g) C2H (g) ASASproduct ASreactant In above reaction product has less entropy than reactant. The reason i

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