Исправьте ошибки в следующих уравнениях реакций: 1. 2ca + h2so4 = caso4 + h2 6. hgo = hg + o2 2. fecl2 + 3cl3 = fecl3 7. 2licl + agno3 = agcl + 2lino3 3. na + s = na2s 8. cuso4 = cuo + so2 4. so3 = 2so2 + o2 9. 5sb + 2cl2 = 5sbcl5 5. 2cr + 6hcl = 2crcl3 + 2h2 10. pbo + 2al = al2o3 + pb
2HgO -> 2Hg + O2
2FeCl2 + Cl2 -> 2FeCl3
LiCl + AgNO3 -> LiNO3 + AgCl
2Na + S -> Na2S
CuSO4 -> CuO + SO3
2SO3 -> 2SO2 + O2
2Sb + 5Cl2 -> 2SbCl5
2Cr + 6HCl -> CrCl3 + 3H2
3PbO + 2Al -> Al2O3 +3 Pb
2HgO = 2Hg + O2
2 FeCl2 + Cl2 =2 FeCl3
LiCl + AgNO3 = AgCl + LiNO3
2Na + S = Na2S
CuSO4 = CuO + SO3
2 SO3 = 2SO2 + O2
2Sb + 5Cl2 = 2SbCl5
2Cr + 6HCl = 2CrCl3 + 3H2
3 PbO + 2Al = Al2O3 +3 Pb