Using the standard entropy values: H2(g), S° = +130.6 J mol-1 K-1 I2(s), S° = +116.12 J mol-1 K-1 HI(g), S° = +206.0 J mol-1 K-1 calculate the standard entropy change, DeltaS°, for the reaction: H2(g) + I2(s) ® 2 HI(g) Question 9 options: 1) -40.8 kJ 2) +40.8 kJ 3) -165.3 kJ 4) +165.3 kJ 5) +206.0 kJ