Расставьте коэффициенты в приведенных ниже схемах химических реакций:
1. CO2+H2O→H2CO3
2. Al+Fe2O3→Al2O3+Fe
3. Fe(OH)3→Fe2O3+H2O
4. Na2SO4+BaCl2→NaCl+BaSO4
5. CO2+Mg→MgO+C
6. H2S+O2→SO2+H2O
7. C4H10+O2→CO2+H2O
8. CH5N+O2→CO2+H2O+N2
9. Zn+HCl→ZnCl2+H2
10. CuOH→Cu2O+H2O
1. CO2+H2O→H2CO3
2. Al+Fe2O3→Al2O3+Fe
3. Fe(OH)3→Fe2O3+H2O
4. Na2SO4+BaCl2→NaCl+BaSO4
5. CO2+Mg→MgO+C
6. H2S+O2→SO2+H2O
7. C4H10+O2→CO2+H2O
8. CH5N+O2→CO2+H2O+N2
9. Zn+HCl→ZnCl2+H2
10. CuOH→Cu2O+H2O
Answers & Comments
Verified answer
1. CO2+H2O=H2CO3
2. 2Al+Fe2O3=Al2O3+2Fe
3. 2Fe(OH)3=Fe2O3+3H2O
4. Na2SO4+BaCl2=2NaCl+BaSO4
5. CO2+2Mg=2MgO+C
6. 2H2S+3O2=2SO2+2H2O
7. 2C4H10+9O2=8CO2+10H2O
8. 4CH5N+9O2=4CO2+10H2O+2N2
9. Zn+2HCl=ZnCl2+H2
10. 2CuOH=Cu2O+H2O