balance the following questions (1) N A + O2= NaO2 (2) H2O2=H2O+O2 (3) mg(OH)2 +HCL=mgCl2+H2o (4)fe+O2=fe2O3 (5)Al(OH)3=Al2O3 +H2O (6) NH3+ cuO =cu +N2+H2O (7) Al2(SO4)3+NaOh= Al(OH)3 +Na2SO4 (8) HNo3+Ca(OH)2=Ca(NO3)2+H2O (9) NaOH+H2SO4=Na2SO4+H2O (10) BaCl2+H2SO4=BaSO4+HCl
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1. Na +O2 = Nao2.
2. 2H2o2 = 2H2o + O2.
3. mg(oH)2 + 2Hcl = mgcl2 + 2H2o.
4. 4fe + 3o2 = 2fe2o3.
5. 2Al(OH)3 = Al2o3 +3H2o.
6. 2NH3 + 3CUO = 3CU + N2 + 3H2O.
7. AL2(SO4)3 + 6NAOH = 2AL(OH)3 + 3NA2SO4.
8. 2HNO3 + CA(OH)2 = CA(NO3)2 + 2H2O.
9. 2NAOH + H2SO4 = NA2SO4 + 2H2O.
10. BACL2 + H2SO4 = BASO4 + 2HCL.
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