2CH4(g) + O2(g) ? 2CO(g) + 4H2(g)
Compound ?H°f (kJ mol-1) S° (J mol-1 K-1)
CH4 (g) -74.87 188.66
O2 (g) 0.00 205.70
CO (g) -110.53 197.66
H2 (g) 0.00 130.68
1. Calculate ?H°rx (in kJ) for this reaction. Report your answer to two decimal places in standard notation (i.e. 123.45 kJ).
2. Calculate ?S°rx (in J/K) for this reaction. Report your answer to two decimal places in standard notation (i.e. 123.45 J/K)
3. Calculate ?G°rx (in kJ) at 582.77 K for this reaction. Report your answer to two decimal places in standard notation (i.e. 123.45 kJ).