1£®ÒÑÖª£º¢ÙCu(s)£«2H^£«(aq)===Cu^2£«(aq)£«H₂(g)¡¡ΔH₁

¢Ú2H₂O₂(l)===2H₂O(l)£«O₂(g)¡¡ΔH₂   ¢Û2H₂(g)£«O₂(g)===2H₂O(l)¡¡ΔH₃

Ôò·´Ó¦Cu(s)£«H₂O₂(l)£«2H^£«(aq)===Cu^2£«(aq)£«2H₂O(l)µÄΔH£½(¡¡¡¡)

A£®ΔH₁£«ΔH₂£«ΔH₃        B£®ΔH₁£«ΔH₂£­ΔH₃

C£®ΔH₁£«2ΔH₂£«2ΔH₃        D£®2ΔH₁£«ΔH₂£«ΔH₃