Question

I. Balance the following equations :
2. Cu(NO3)2 -> CuO + NO2 + O2
3. (NH4)2Cr2O7 -→ Cr2O3 + H2O + N2
4. Al + O2 -> Al2O3
5. ZnS + 02-ZnO + SO2

​

Answer 1

Answer:

2. 2Cu(NO3)2------ 2CuO + 4NO2 + O2

3. (NH4)2Cr2O7-----Cr2 +4H2O +N2

4. 4Al+3O2-----2Al2O3

5. 2ZnS+3O2------2ZnO +2SO2

Explanation:

Hope it's helpful for you

so pls follow me and like and rate my answer