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2 NaH2PO2 + 5 H2SO4 = Na2SO4 + 2 H3PO4 + 4 SO2 + 4 H2O
Fe2 + H2SO4 = FeSO4 + H2 =>
Fe2 + 2 H2SO4 = 2 FeSO4 + 2 H2
KI + O3 + H2O = KOH + I2 = O2 =>
6 KI + O3 + 3 H2O = 6 KOH + 3 I2
ZnSO4 = ZnO + SO3 =>
ZnSO4 = ZnO + SO3
Ag + K2CO3 = Ag2CO3 + K =>
2 Ag + K2CO3 = Ag2CO3 + 2 K
Br2 + NaI2 = NaBr + I =>
Br2 + 2 NaI2 = 2 NaBr + 4 I
Cu(H2O)6Cl2 = CuCl2 + H2O =>
Cu(H2O)6Cl2 = CuCl2 + 6 H2O
C8H14O + O2 = CO2 + H2 =>
2 C8H14O + 15 O2 = 16 CO2 + 14 H2
FeSO4 + K4Fe(CN)6 = Fe4[Fe(CN)6]2 + K2SO4 =>
4 FeSO4 + 2 K4Fe(CN)6 = Fe4[Fe(CN)6]2 + 4 K2SO4
BrO2 + H2SO4 = H2O2 + BrSO4 =>
BrO2 + H2SO4 = H2O2 + BrSO4
H2O + Zn = Zn(OH) + H3O =>
2 H2O + Zn = Zn(OH) + H3O
Zn + KNO3 + H2SO4 = (NH4)SO4 + K2SO4 + ZnSO4 + H2O =>
7 Zn + 2 KNO3 + 10 H2SO4 = 2(NH4)SO4 + K2SO4 + 7 ZnSO4 + 6 H2O
Ni(OH)2 + HCl = Ni(Cl)2 + H2O =>
Ni(OH)2 + 2 HCl = Ni(Cl)2 + 2 H2O
Br2O7 + KOH = Br(OH)7 + K2O =>
Br2O7 + 14 KOH = 2 Br(OH)7 + 7 K2O
NH4HCO3 + HCl = H2O + CO2 + NH4Cl =>
NH4HCO3 + HCl = H2O + CO2 + NH4Cl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH2(COOH)2 + NaOH = H2O + CH2(COO)2HNa =>
CH2(COOH)2 + NaOH = H2O + CH2(COO)2HNa
Li2SO4 + Na = Na2SO4 + Li =>
Li2SO4 + 2 Na = Na2SO4 + 2 Li
CH3CH2Br + NaOH = C2H5OH + NaBr =>
CH3CH2Br + NaOH = C2H5OH + NaBr
LiI + H2SO4 = Li2SO4 + H2S + I2 + H2O =>
8 LiI + 5 H2SO4 = 4 Li2SO4 + H2S + 4 I2 + 4 H2O
MgCO3(g) = MgO(s) + CO2(g) =>
MgCO3(g) = MgO(s) + CO2(g)
I2 + Na2(SO4) = NaI + SO2 + O2 =>
I2 + Na2(SO4) = 2 NaI + SO2 + O2
Mg + Si + HCl = MgCl + SiH =>
Mg + Si + HCl = MgCl + SiH
CuO + H2 = Cu + H2O = =>
CuO + H2 = Cu + H2O
Fr + N = FrN =>
Fr + N = FrN
CH3CH2OH + HCOOH = CH3COOCH2CH3 + H2O =>
3 CH3CH2OH + 2 HCOOH = 2 CH3COOCH2CH3 + 3 H2O
CaSO4 + Na2C2O4 = CaC2O4 + Na2SO4 =>
CaSO4 + Na2C2O4 = CaC2O4 + Na2SO4
NH4Br = Br2 + N2 + H2 =>
2 NH4Br = Br2 + N2 + 4 H2
Zn(OH)2 + NH4Cl = Zn[NH3]4Cl2 + H2O + HCl =>
Zn(OH)2 + 4 NH4Cl = Zn[NH3]4Cl2 + 2 H2O + 2 HCl
C3H7OH = C2H4 + H2O =>
2 C3H7OH = 3 C2H4 + 2 H2O
He + F = HeF =>
He + F = HeF
Fe(s)O2 = FeO2 =>
Fe(s)O2 = FeO2
Cd + KMnO4 + HCl = CdCl2 + MnCl2 + KCl + H2O =>
5 Cd + 2 KMnO4 + 16 HCl = 5 CdCl2 + 2 MnCl2 + 2 KCl + 8 H2O
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
BaO + SO3 = BaSO4(s) =>
BaO + SO3 = BaSO4(s)
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Fe2S3 + O2 + H2 = Fe2O3 + H2SO4 =>
2 Fe2S3 + 15 O2 + 6 H2 = 2 Fe2O3 + 6 H2SO4
Al(OH)3 + Na2O = NaAlO2 + H2O =>
2 Al(OH)3 + Na2O = 2 NaAlO2 + 3 H2O
NO2 + H2O(g) = HNO3 + NO =>
3 NO2 + H2O(g) = 2 HNO3 + NO
X + O2 = XO2 =>
X + O2 = XO2
Zn(SO3)2 = Zn + SO3 =>
Zn(SO3)2 = Zn + 2 SO3
C + O2 = CO2 =>
C + O2 = CO2
H2SO4 + KMnO4 + Na2C2O4 = CO2 + Na2SO4 + MnSO4 + K2SO4 + H2O =>
8 H2SO4 + 2 KMnO4 + 5 Na2C2O4 = 10 CO2 + 5 Na2SO4 + 2 MnSO4 + K2SO4 + 8 H2O
LiI + H2SO4 = Li2SO4 + H2S + I2 + H2O =>
8 LiI + 5 H2SO4 = 4 Li2SO4 + H2S + 4 I2 + 4 H2O
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
Ra + O2 = Ra2O2 =>
2 Ra + O2 = Ra2O2
ZnO + Mg(OH)2 = Zn(OH)2 + MgO =>
ZnO + Mg(OH)2 = Zn(OH)2 + MgO
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
Os + KBrF4 = KOsF6 + Br2 + KF =>
6 Os + 10 KBrF4 = 6 KOsF6 + 5 Br2 + 4 KF
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