Calculate AS for the reaction 3H₂(g) +N2(g) → 2NH3(g) at 715 K. Omit terms in the temperature-dependent heat capacities greater than T²/K². Cp,m (H2, 8) = 22.66+0.0438-1.0835 × 10-4 J.K-¹.mol-¹ Cp,m (N2, g) = 30.81 -0.01187+2.3968 × 10-5J.K-¹.mol-¹ Cp,m (NH3, 8) = 29.29 +0.01103+4.2446 × 10-5 J.K-¹.mol-¹ H2(g) N2(g) NH3(g) S° (J. mol-¹.K-¹) 130.7 191.6 192.8
Calculate AS for the reaction 3H₂(g) +N2(g) → 2NH3(g) at 715 K. Omit terms in the temperature-dependent heat capacities greater than T²/K². Cp,m (H2, 8) = 22.66+0.0438-1.0835 × 10-4 J.K-¹.mol-¹ Cp,m (N2, g) = 30.81 -0.01187+2.3968 × 10-5J.K-¹.mol-¹ Cp,m (NH3, 8) = 29.29 +0.01103+4.2446 × 10-5 J.K-¹.mol-¹ H2(g) N2(g) NH3(g) S° (J. mol-¹.K-¹) 130.7 191.6 192.8
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter5: Thermochemistry
Section: Chapter Questions
Problem 17E: Would the amount of heat absorbed by the dissolution in Example 5.6 appear greater, lesser, or...
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Transcribed Image Text:Part A
Calculate AS; for the reaction 3H₂(g) +N2(g) → 2NH3(g) at 715 K. Omit terms in the
temperature-dependent heat capacities greater than T²/K².
Cp,m(H2, g) = 22.66 +0.0438-1.0835 × 10-4²J.K-¹.mol-¹
Cp,m (N2, g) = 30.81 -0.01187+2.3968 × 10-5.
<10-5²J.K-¹.mol-¹
Cp,m (NH3, g) = 29.29 +0.01103+4.2446 × 10-5²J.K-¹.mol-¹
H2(g) N2(g) NH3(g)
S° (J. mol-¹.K-¹) 130.7 191.6 192.8
Express your answer to four significant figures and include the appropriate units.
AS; =
HA
Value
Submit Request Answer
Units
?
T2
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