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4 Na + O2 = 2 Na2O
BaS + PtF2 = BaF2 + PtS =>
BaS + PtF2 = BaF2 + PtS
Mg2C3 + H2O = Mg(OH)2 + C3H4 =>
Mg2C3 + 4 H2O = 2 Mg(OH)2 + C3H4
MgS + O2 = MgO + SO2 =>
2 MgS + 3 O2 = 2 MgO + 2 SO2
C30H62 + O2 = CO2 + H2O =>
2 C30H62 + 91 O2 = 60 CO2 + 62 H2O
V + O2 = V2O3 =>
4 V + 3 O2 = 2 V2O3
C6H7O7 + H2O = C6H6O7 + H3O =>
C6H7O7 + H2O = C6H6O7 + H3O
Cl2 + PI = Cl2PI =>
Cl2 + PI = Cl2PI
CO2 + Li2O = Li2CO3 =>
CO2 + Li2O = Li2CO3
MgI2 + O2 = MgO + IO =>
2 MgI2 + 3 O2 = 2 MgO + 4 IO
H2S + Na2Zn(OH)4 = Zn(OH)2 + Na2S + H2O =>
H2S + Na2Zn(OH)4 = Zn(OH)2 + Na2S + 2 H2O
TiCl4 + Na = NaCl + Ti =>
TiCl4 + 4 Na = 4 NaCl + Ti
H2 + MnO2 = H2O + Mn =>
2 H2 + MnO2 = 2 H2O + Mn
C9N2H8O2 + O2 = CO2 + H2O + NH3 =>
2 C9N2H8O2 + 17 O2 = 18 CO2 + 2 H2O + 4 NH3
Na2[Zn(OH)4] = ZnO + NaOH + H2O =>
Na2[Zn(OH)4] = ZnO + 2 NaOH + H2O
C19H34O + O2 = CO2 + H2O =>
C19H34O + 27 O2 = 19 CO2 + 17 H2O
CH3COOH(aq)NaOH(aq) = CH3COONa(aq)H2O(l) =>
CH3COOH(aq)NaOH(aq) = CH3COONa(aq)H2O(l)
H2SO4 + NH4NO3 = HNO3 + (NH4)2SO4 =>
H2SO4 + 2 NH4NO3 = 2 HNO3 + (NH4)2SO4
Na2CO3 + KNO3 + Cr2O3 = Na2CrO3 + KNO2 + CO2 =>
2 Na2CO3 + KNO3 + Cr2O3 = 2 Na2CrO3 + KNO2 + 2 CO2
CH3CH3 + Cl2 = C2H4Cl2 + HCl =>
CH3CH3 + 2 Cl2 = C2H4Cl2 + 2 HCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C6H5CHO + KMnO4 + H2O = C6H5COOH + MnO2 + KOH =>
3 C6H5CHO + 2 KMnO4 + H2O = 3 C6H5COOH + 2 MnO2 + 2 KOH
KNO2 + ZnCl2 = KCl + (NO2)2Zn =>
2 KNO2 + ZnCl2 = 2 KCl + (NO2)2Zn
Fe2O3 + Na2S = Fe2O3Na2S =>
Fe2O3 + Na2S = Fe2O3Na2S
Fe + PH3 = Fe3P2 + H2 =>
3 Fe + 2 PH3 = Fe3P2 + 3 H2
Ca3(PO4)2 + SiO2 = CaSiO3 + P2O5 =>
Ca3(PO4)2 + 3 SiO2 = 3 CaSiO3 + P2O5
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
GaF3 = Ga3 + F =>
3 GaF3 = Ga3 + 9 F
K2SO3 + Cl2 + NaOH = K2SO4 + NaCl + H2O =>
K2SO3 + Cl2 + 2 NaOH = K2SO4 + 2 NaCl + H2O
C6H5Br + NaOH = C6H5ONa + HBr =>
C6H5Br + NaOH = C6H5ONa + HBr
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
aluminium + ironoxide = iron + aluminiumoxide =>
2 Al + Fe2O3 = 2 Fe + Al2O3
CH3CH(OH)CH3 + KMnO4 + H2SO4 = C3H6O + K2SO4 + MnSO4 + H2O =>
5 CH3CH(OH)CH3 + 2 KMnO4 + 3 H2SO4 = 5 C3H6O + K2SO4 + 2 MnSO4 + 8 H2O
NiCO3 + H2SO4 + H2O = NiSO4*7H2O + CO2 =>
NiCO3 + H2SO4 + 6 H2O = NiSO4*7H2O + CO2
P + I = PI3 =>
P + 3 I = PI3
C6H8N2 + N2O4 = CO2 + H2O + N2 =>
C6H8N2 + 4 N2O4 = 6 CO2 + 4 H2O + 5 N2
HOCl + Ba(OH)2 = Ba(OCl)2 + H2O =>
2 HOCl + Ba(OH)2 = Ba(OCl)2 + 2 H2O
NH4OH + Hg2Cl2 = NH4Cl + Hg2(OH)2 =>
2 NH4OH + Hg2Cl2 = 2 NH4Cl + Hg2(OH)2
H2S + KMnO4 = K2SO4 + H2O + MnO2 + KOH =>
3 H2S + 8 KMnO4 = 3 K2SO4 + 2 H2O + 8 MnO2 + 2 KOH
Ni(OH)3 = Ni(OH)2 + O2 + H2O =>
4 Ni(OH)3 = 4 Ni(OH)2 + O2 + 2 H2O
CaCO3 + H2O = CO2 + Ca(OH)2 =>
CaCO3 + H2O = CO2 + Ca(OH)2
Pt + HNO3 = Pt(NO3)2 + NO2 + H2O =>
Pt + 4 HNO3 = Pt(NO3)2 + 2 NO2 + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
K2SO4 + (NH4)2S = K2S + (NH4)2SO4 =>
K2SO4 + (NH4)2S = K2S + (NH4)2SO4
K2O(s) + H2O = KOH(s) =>
K2O(s) + H2O = 2 KOH(s)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
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