The following equation represents the decomposition of a generic diatomic elemen
ID: 633325 • Letter: T
Question
The following equation represents the decomposition of a generic diatomic element in its standard state. 1/2 X2(g) rightarrow X(g) Assume that the standard molar Gibbs energy of formation of X(g) is 5.02 kJ mol-1 at 2000. K and -51.24 kJ mol-1 at 3000. K. Determine the value of K (the thermodynamic equilibrium constant) at each temperature. K at 2000. K = K at 3000. K = Assuming that delta H degree rxn is independent of temperature, determine the value of delta H degree rxn from these data. delta H degree = rxn =Explanation / Answer
?G = -RTlnK
at 2000K
5020= -8.314*2000*lnk
K=.739
at 3000k
-51240=-8.314*3000*lnK
K=7.76
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