1.C()+O2g)=CO2(g)放热393kj/mol 2. CacO3()=CaO(s)+CO2(g) 吸热179kj/mol 3. Zn(s)+2Mno2(s)+2NH (ag) Zn(NH4)2f(aq+ Mn,O3(s+H2OO) 输出ε=15V1. C(s) + O2 (g) = CO2 (g) 放热393kj/mol 2. CaCO3 (s) = CaO(s)+CO2 (g) 吸热179kj/mol 3. Zn(s)+2MnO2 (s)+2NH4 + (aq)= Zn(NH4 ) 2 2+ (aq)+ Mn2O3 (s)+H2O(l) 输出 =1.5V