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Consider the reaction: CH4(g) + 2 O2(g)® CO2(g) + 2 H2O(g). CalculateDrxnH andDrxnS for this reaction at 2000°C using the temperature dependent heat capacity values provided in table below:
Heat Capacities of Substances in the Form
CP = a + bT + cT2 (J/K-mol) at 101.3 kPa
Substance
a/(J/mol-K)
b/(10-3 J/mol-K2)
c/(10-7 J/mol-K3)
CO2(g)
26.648
42.262
-142.4
CH4(g)
14.143
75.495
-179.64
O2(g)
25.503
13.612
-42.553
H2O(g)
30.206
9.936
11.14
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