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QUESTION
The bombardier beetle uses an explosive discharge as a defensive measure. The chemical reaction involved is the oxidation of hydroquinone by hydrogen...
C6H4(OH)2(aq) + H2O2(aq) C6H4O2(aq) + 2 H2O(l)
H
C6H4(OH)2(aq) C6H4O2(aq) + H2(g)ΔH = +177.4 kJH2(g) + O2(g) H2O2(aq)ΔH = -191.2 kJH2(g) + 1/2 O2(g) H2O(g)ΔH = -241.8 kJH2O(g) H2O(l)ΔH = -43.8 kJ
