①Cu(s)+2H+(aq)=Cu2+(aq)+H2(g) ΔH1=+64.39 kJ·mol-1
②2H2O2(l)=2H2O(l)+O2(g) ΔH2=-196.46 kJ·mol-1
③H2(g)+ O2(g)=H2O(1) ΔH3=-285.84 kJ·mol-1
在H2SO4溶液中,1 mol Cu(s)与H2O2(l)反应生成Cu2+(aq)和H2O(l)的反应热ΔH等于( )