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Thermodynamics

# Calculate the standard free energy change, $\Delta G^o$ for the reaction  $H_2(g) + I_2(g) \rightarrow 2HI(g)$  Given that the standard enthalpy change and the standard entropy change for the reaction are $52 \: kJ\: and\: 165.2 \: J/K$ respectively.

$\begin {array} {1 1} (a)\;2.7 kJ & \quad (b)\;-2.7 kJ \\ (c)\; 101.23 kJ & \quad (d)\;-109.23 kJ \end {array}$

$\Delta H^o = 52 \: kJ\: \: \: \: \: \: \: \: \Delta S^o = 165.2\: J/K \: \: \: \: \: \: \: \: T = 298\: K$