Ammonium dichromate is sometimes known as Vesuvian Fire, because of its use in demonstrations of tabletop "volcanoes". Using the given data, calculate the heat of reaction for the following reaction: (NH4)2Cr207(s) → Cr2O3(s) + N2(g) +4H2O(g) s° ΔΗΡ (k) mol") (U mol- K-') AG (k) mol) Species Nitrogen N;(g) 191.5 N(g) NH,(g) 472.704 153.19 455.579 -46.11 192.3 -16.5 NH,(aq) NH,*(aq) N,H,(() (NH,),AsO,(aq) -80.29 111.3 -26.50 -132.51 113.4 -79.31 50.63 121.2 149.2 -1268 NH,Br(s) -270.83 113 -175.2 NH,CI(s) NH,CI(aq) -314.4 94.6 -201.5 - 300.2
Ammonium dichromate is sometimes known as Vesuvian Fire, because of its use in demonstrations of tabletop "volcanoes". Using the given data, calculate the heat of reaction for the following reaction: (NH4)2Cr207(s) → Cr2O3(s) + N2(g) +4H2O(g) s° ΔΗΡ (k) mol") (U mol- K-') AG (k) mol) Species Nitrogen N;(g) 191.5 N(g) NH,(g) 472.704 153.19 455.579 -46.11 192.3 -16.5 NH,(aq) NH,*(aq) N,H,(() (NH,),AsO,(aq) -80.29 111.3 -26.50 -132.51 113.4 -79.31 50.63 121.2 149.2 -1268 NH,Br(s) -270.83 113 -175.2 NH,CI(s) NH,CI(aq) -314.4 94.6 -201.5 - 300.2
Chapter9: Energy For Today
Section: Chapter Questions
Problem 9E
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