Using the bond dissociation enthalpies (BDE) in the table, estimate ∆Hº for the disproportionation o — Thermochemistry Chemistry Question
Question
Using the bond dissociation enthalpies (BDE) in the table, estimate ∆Hº for the disproportionation of hydrazine described in the equation below.
3 N2H4(g) 4 NH3(g) + N2(g)
A.
+283 kJ•mol‒1
B.
–283 kJ•mol‒1
C.
–393 kJ•mol‒1
D.✓ Correct
–455 kJ•mol‒1
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