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H2SiO3 + Na2CO3 = Na2SiO3 + CO2 + H2O
Cr + HCl = CrCl3 + H2 =>
2 Cr + 6 HCl = 2 CrCl3 + 3 H2
Fe2O3 + KNO3 = K2O + Fe(NO3)3 =>
Fe2O3 + 6 KNO3 = 3 K2O + 2 Fe(NO3)3
Na11 + Cl17 = NaCl =>
17 Na11 + 11 Cl17 = 187 NaCl
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
Cs + Sr(CrO4) = Cs2(CrO4) + Sr =>
2 Cs + Sr(CrO4) = Cs2(CrO4) + Sr
Ba + CO2 = Ba(CO2)2 =>
Ba + 2 CO2 = Ba(CO2)2
Fe + HF = FeF3 + H2 =>
2 Fe + 6 HF = 2 FeF3 + 3 H2
()NaCl + ()AgNo3 = ()AgCl + ()NaNo3 =>
()NaCl + ()AgNo3 = ()AgCl + ()NaNo3
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
(NH4)2SO3 + KOH = NH4OH + K2SO3 =>
(NH4)2SO3 + 2 KOH = 2 NH4OH + K2SO3
Ca(OH)2 + (NH4)2SO4 = CaSO4 + NH3 + H2O =>
Ca(OH)2 + (NH4)2SO4 = CaSO4 + 2 NH3 + 2 H2O
N2 + S8 = NS3 =>
4 N2 + 3 S8 = 8 NS3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb =>
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb
Cr2O3(s) + HCl(aq) = CrCl3(s) + H2O(l) =>
Cr2O3(s) + 6 HCl(aq) = 2 CrCl3(s) + 3 H2O(l)
Fe + CO2 = FeO3 + C =>
2 Fe + 3 CO2 = 2 FeO3 + 3 C
CH3CO + H2 = CH3CH2OH =>
2 CH3CO + 3 H2 = 2 CH3CH2OH
Zn(NO3)2 + KOH = Zn(OH)2 + KNO3 =>
Zn(NO3)2 + 2 KOH = Zn(OH)2 + 2 KNO3
NaCN + CuCO3 = Na2CO3 + Cu(CN)2 =>
2 NaCN + CuCO3 = Na2CO3 + Cu(CN)2
CH3COOH + NH4Cl = CH3COCl + NH4OH =>
CH3COOH + NH4Cl = CH3COCl + NH4OH
KCN + CO(CN)2 + HCN = K3CO(CN)6 + H2 =>
6 KCN + 2 CO(CN)2 + 2 HCN = 2 K3CO(CN)6 + H2
AlCl3 + Mg(OH)2 = Al(OH)3 + MgCl2 =>
2 AlCl3 + 3 Mg(OH)2 = 2 Al(OH)3 + 3 MgCl2
CaBr2 + PbCl4 = PbBr4 + CaCl2 =>
2 CaBr2 + PbCl4 = PbBr4 + 2 CaCl2
CrCl3 + Cl2 + KOH = KCr2O7 + KCl + H2O =>
4 CrCl3 + 7 Cl2 + 28 KOH = 2 KCr2O7 + 26 KCl + 14 H2O
AlCl3 + Mg(OH)2 = Al(OH)3 + MgCl2 =>
2 AlCl3 + 3 Mg(OH)2 = 2 Al(OH)3 + 3 MgCl2
Sb2O3 + Zn = Zn6O3 + Sb2 =>
Sb2O3 + 6 Zn = Zn6O3 + Sb2
C2H6O2 = C2H4O + H2O =>
C2H6O2 = C2H4O + H2O
Pb(NO3)2 + NaCl = Pb(Cl)2 + Na(NO3) =>
Pb(NO3)2 + 2 NaCl = Pb(Cl)2 + 2 Na(NO3)
MgCl2 = Cl{-} + Mg{+2} =>
MgCl2 = 2 Cl{-} + Mg{+2}
CON2H4 = C3N6H6 + CO2 + NH3 =>
6 CON2H4 = C3N6H6 + 3 CO2 + 6 NH3
Mg(CH3COO)2 + K2CO3 = Mg2(CO3)2 + KCH3COO =>
2 Mg(CH3COO)2 + 2 K2CO3 = Mg2(CO3)2 + 4 KCH3COO
PCl5(aq) = PCl3(aq) + Cl(am) =>
PCl5(aq) = PCl3(aq) + 2 Cl(am)
CH4 = C + H =>
CH4 = C + 4 H
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Fe + HCl = FeCl2 + H2 = =>
Fe + 2 HCl = FeCl2 + H2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
HCl + ClO3 = Cl2 + H2O =>
12 HCl + 2 ClO3 = 7 Cl2 + 6 H2O
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
FeH2SiO3 = FeSiO3H2 =>
FeH2SiO3 = FeSiO3H2
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
NiSO4 + NaBH4 = Ni + B2(SO4)3 + Na2SO4 + H2 =>
4 NiSO4 + 2 NaBH4 = 4 Ni + B2(SO4)3 + Na2SO4 + 4 H2
Fe + CuCl2 = FeCl3 + Cu =>
2 Fe + 3 CuCl2 = 2 FeCl3 + 3 Cu
C9H20 + O2 = C + H2O =>
C9H20 + 5 O2 = 9 C + 10 H2O
FeCl2 + FeCl3 + H2O = HCl + Fe3O4 =>
FeCl2 + 2 FeCl3 + 4 H2O = 8 HCl + Fe3O4
NH3 + H2SO4 = (NH3)2SO3 + H2O =>
2 NH3 + H2SO4 = (NH3)2SO3 + H2O
NaHCO3 + Zn = Zn(HCO3)2 + Na =>
2 NaHCO3 + Zn = Zn(HCO3)2 + 2 Na
Ca(OH)2 + (NH4)2SO4 = CaSO4 + NH3 + H2O =>
Ca(OH)2 + (NH4)2SO4 = CaSO4 + 2 NH3 + 2 H2O
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
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