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CuFeS2 + 4 FeCl3 = CuCl2 + 5 FeCl2 + 2 S
NaHSO4 + LiOH = LiNaSO4 + H2O =>
NaHSO4 + LiOH = LiNaSO4 + H2O
MgO + H2SO4 = MgSO4 + H2O =>
MgO + H2SO4 = MgSO4 + H2O
NaNO3 + BaCl2 = Ba(NO3)2 + NaCl =>
2 NaNO3 + BaCl2 = Ba(NO3)2 + 2 NaCl
Fe(OH)3(s) + HNO3(aq) = Fe(NO3)3(aq) + H2O(l) =>
Fe(OH)3(s) + 3 HNO3(aq) = Fe(NO3)3(aq) + 3 H2O(l)
V + O2 = VO =>
2 V + O2 = 2 VO
H2S + HNO3 = NO + S + H2O =>
3 H2S + 2 HNO3 = 2 NO + 3 S + 4 H2O
NH4Cl + KI = KCl + INH3 + H2 =>
2 NH4Cl + 2 KI = 2 KCl + 2 INH3 + H2
NH3 + O4 = N2 + H2O =>
8 NH3 + 3 O4 = 4 N2 + 12 H2O
NaOH = H2O + Na2O =>
2 NaOH = H2O + Na2O
[Ni(NH3)4]Cl2 + Na2S = NiS + NH3 + NaCl =>
[Ni(NH3)4]Cl2 + Na2S = NiS + 4 NH3 + 2 NaCl
Ca + H2O = Ca(OH)O2 + H2 =>
2 Ca + 6 H2O = 2 Ca(OH)O2 + 5 H2
[Ni(NH3)4]Cl2 + Na2S = NiS + NH3 + NaCl =>
[Ni(NH3)4]Cl2 + Na2S = NiS + 4 NH3 + 2 NaCl
Na + Cl = NaCl =>
Na + Cl = NaCl
H{+} + CuCO3 = Cu{2+} + CO2 + H2O =>
2 H{+} + CuCO3 = Cu{2+} + CO2 + H2O
FeCl3 + H2O = Fe(OH)3 + HCl =>
FeCl3 + 3 H2O = Fe(OH)3 + 3 HCl
KI + H2O + ZnCl2 = HCl + Zn + KIO3 =>
KI + 3 H2O + 3 ZnCl2 = 6 HCl + 3 Zn + KIO3
KI + KIO3 + H2SO4 = I2K2SO4 + H2O =>
5 KI + KIO3 + 3 H2SO4 = 3 I2K2SO4 + 3 H2O
SO2(g) + HNO2 = H2SO4 + NO(g) =>
SO2(g) + 2 HNO2 = H2SO4 + 2 NO(g)
Fe2O3 + P = Fe + P2O5 =>
5 Fe2O3 + 6 P = 10 Fe + 3 P2O5
H2S + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + KHSO4 + H2O =>
3 H2S + 4 K2Cr2O7 + 17 H2SO4 = 4 Cr2(SO4)3 + 8 KHSO4 + 16 H2O
As2O3 + CO = As + CO2 =>
As2O3 + 3 CO = 2 As + 3 CO2
Cu + CH4 + O2 = Cu(OH)2 + CO2 =>
2 Cu + CH4 + 3 O2 = 2 Cu(OH)2 + CO2
Br + NaI = NaBr + I =>
Br + NaI = NaBr + I
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
Zn2 + CH3CH2COOH = CH3CH2COOZn + H2 =>
Zn2 + 2 CH3CH2COOH = 2 CH3CH2COOZn + H2
NaBiO3 = Na + BiO + O2 =>
NaBiO3 = Na + BiO + O2
Cu(NH3)4(H2O)2 + H2SO4 + H2O = CuSO4(H2O)5 + NH3 + H =>
Cu(NH3)4(H2O)2 + H2SO4 + 3 H2O = CuSO4(H2O)5 + 4 NH3 + 2 H
NH4NO3 + KOH = KNO3 + NH3 + H2O =>
NH4NO3 + KOH = KNO3 + NH3 + H2O
HNO3 + Bi2S3 = BiNO33 + NO + S + H2O =>
128 HNO3 + 3 Bi2S3 = 6 BiNO33 + 122 NO + 9 S + 64 H2O
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na2O2 + S = Na2SO3 + Na2O =>
2 Na2O2 + S = Na2SO3 + Na2O
PbCl2 + Na3Po4 = Pb3(Po4)2 + NaCl =>
3 PbCl2 + 2 Na3Po4 = Pb3(Po4)2 + 6 NaCl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
KCl + AgO = AgCl + KO =>
KCl + AgO = AgCl + KO
AgCu + HCl = AgCl + CuH =>
AgCu + HCl = AgCl + CuH
CuCl2 + N2SO4 = CuSO4 + NCl =>
CuCl2 + N2SO4 = CuSO4 + 2 NCl
KMnO4 + H2O = KOH + MnO + H2O2 =>
2 KMnO4 + 6 H2O = 2 KOH + 2 MnO + 5 H2O2
NH3 + CuO2 = Cu + H2O + NO2 =>
4 NH3 + 7 CuO2 = 7 Cu + 6 H2O + 4 NO2
KCl + NaNO3 = K(NO3) + NaCl =>
KCl + NaNO3 = K(NO3) + NaCl
Ni + N2 = Ni3N5 =>
6 Ni + 5 N2 = 2 Ni3N5
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
NaCl + K2S2O3 = Na2S2O3 + KCl =>
2 NaCl + K2S2O3 = Na2S2O3 + 2 KCl
NH4F + H2O = H2F + NH4O =>
NH4F + H2O = H2F + NH4O
Ba(NO3)2 + KI = BaI2 + K(NO3) =>
Ba(NO3)2 + 2 KI = BaI2 + 2 K(NO3)
K2CrO4 + BaCl2 = KCl + BaCrO4 =>
K2CrO4 + BaCl2 = 2 KCl + BaCrO4
Rn = Rn2 =>
2 Rn = Rn2
CH3CH3CH2OH + CH3COOH = CH3CH2CH2OOCCH3 + H2O =>
12 CH3CH3CH2OH + 17 CH3COOH = 14 CH3CH2CH2OOCCH3 + 18 H2O
N + S = N2S =>
2 N + S = N2S
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