CHEMISTRY!! NEED IMMEDIATE HELP PLEASE!!!

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a. Calculate the delta H, delta G, and equilibrium constant for the reaction of methane with Cl2 to give CH3Cl and HCl. Use the following information for your calculations:
Bond Dissociation Energies:
CH3-H (104.8kcal/mol), Cl-Cl(59.0 kcal/mol), CH3-Cl(85.0 kcal/mol), and H-Cl (103.2 kcal/mol).
Thermodynamic data:
DeltaSrxn= + 0.29 x 10^.3 kcal/mol K, T=0 degrees celcius, and R= 1.987 cal/mol

Find delta H? kcal/mol
find delta G? kcal/mol
and find what K=

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