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a) Consider the reaction 4 HCl(g) + O 2 (g) 2 H 2 O(g) + 2 Cl 2 (g) Using standard thermodynamic data at 298K,
a) Consider the reaction 4HCl(g) + O2(g)2H2O(g) + 2Cl2(g) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.43 moles of HCl(g) react at standard conditions. Ssurroundings = _ J/K
b) Consider the reaction C(s,graphite) + O2(g)CO2(g) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.24 moles of C(s,graphite) react at standard conditions. Ssurroundings =
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