E2C.8(b) Estimate AH®(750 K) for the reaction N,(g) + H,(g) → NH,(g) from the listed value of the standard enthalpy of formation of NH,(g) at 298 K in conjunction with the data on the temperature-dependence of heat capacities given in Table 2B.1.

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E2C.8(b) Estimate AH®(750K) for the reaction N,(g) + H,(g) → NH,(g) from
the listed value of the standard enthalpy of formation of NH,(g) at 298 K in
conjunction with the data on the temperature-dependence of heat capacities
given in Table 2B.1.
Transcribed Image Text:E2C.8(b) Estimate AH®(750K) for the reaction N,(g) + H,(g) → NH,(g) from the listed value of the standard enthalpy of formation of NH,(g) at 298 K in conjunction with the data on the temperature-dependence of heat capacities given in Table 2B.1.
Table 2B.1 Temperature variation of molar heat capacities,
Com/(JK mol") = a + bT + c/T²*
"p.m
b/(10° K')
c/(10° K*)
a
C(s, graphite)
16.86
4.77
-8.54
CO,(g)
44.22
8.79
-8.62
H,O(1)
75.29
N,(g)
28.58
3.77
-0.50
* More values are given in the Resource section.
Transcribed Image Text:Table 2B.1 Temperature variation of molar heat capacities, Com/(JK mol") = a + bT + c/T²* "p.m b/(10° K') c/(10° K*) a C(s, graphite) 16.86 4.77 -8.54 CO,(g) 44.22 8.79 -8.62 H,O(1) 75.29 N,(g) 28.58 3.77 -0.50 * More values are given in the Resource section.
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