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Fe + 2 HCl = FeCl2 + H2
Ag + O2 = Ag2O =>
4 Ag + O2 = 2 Ag2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Fe2O3 + Cl2 = FeCl2 + O2 =>
2 Fe2O3 + 4 Cl2 = 4 FeCl2 + 3 O2
NO(g) + NH3(g) = N2(g) + H2O(g) =>
6 NO(g) + 4 NH3(g) = 5 N2(g) + 6 H2O(g)
K2CO3 + H3AsO4 = K3AsO4 + CO2 + H2O =>
3 K2CO3 + 2 H3AsO4 = 2 K3AsO4 + 3 CO2 + 3 H2O
KBr + Cl2 = BrCl + KCl =>
KBr + Cl2 = BrCl + KCl
K4[Fe(CN)6] = K + [Fe(CN)6]4 =>
4 K4[Fe(CN)6] = 16 K + [Fe(CN)6]4
HClO(aq) + Fe{+2} + H2O = Fe(OH)3 + Cl{-} + H{+} =>
HClO(aq) + 2 Fe{+2} + 5 H2O = 2 Fe(OH)3 + Cl{-} + 5 H{+}
I2O + H2O = I2(OH)2 =>
I2O + H2O = I2(OH)2
MnO2 + KNO3 + KOH = K2MnO4 + K2NO2 + H2O =>
3 MnO2 + 2 KNO3 + 8 KOH = 3 K2MnO4 + 2 K2NO2 + 4 H2O
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
Mg + O2 = Mg4O3 =>
8 Mg + 3 O2 = 2 Mg4O3
Pb + HCl = Pb(HCl)2 =>
Pb + 2 HCl = Pb(HCl)2
FeI3 + Na(OH)2 = Fe(OH)3 + NaI2 =>
2 FeI3 + 3 Na(OH)2 = 2 Fe(OH)3 + 3 NaI2
Zn(s) + Al2(SO4)3(aq) = ZnSO4(aq) + Al(s) =>
3 Zn(s) + Al2(SO4)3(aq) = 3 ZnSO4(aq) + 2 Al(s)
SrCl2 + Al2(SO4)3 = SrSO4 + Al2(Cl2)3 =>
3 SrCl2 + Al2(SO4)3 = 3 SrSO4 + Al2(Cl2)3
P + KOH = POH + K =>
P + KOH = POH + K
C7H14 + Br2 = C7H13 + HBr =>
2 C7H14 + Br2 = 2 C7H13 + 2 HBr
SnO2 + Na + CO2 = Sn + Na2CO3 =>
SnO2 + 4 Na + 2 CO2 = Sn + 2 Na2CO3
HNO2 + KI + HCl = I3 + N3 + KCl + H2O =>
3 HNO2 + 9 KI + 9 HCl = 3 I3 + N3 + 9 KCl + 6 H2O
C2H5OH + KMnO4 = CH3COOK + MnO2 + KOH + H2O =>
3 C2H5OH + 4 KMnO4 = 3 CH3COOK + 4 MnO2 + KOH + 4 H2O
CuCO3 + CH3COOH = CuCH3 + CO2 + H2O =>
8 CuCO3 + 9 CH3COOH = 8 CuCH3 + 18 CO2 + 6 H2O
FeCN + Ba(NO3)2 = Fe(NO3)2 + BaCN =>
FeCN + Ba(NO3)2 = Fe(NO3)2 + BaCN
C3H6O2 + NaHCO3(aq) = C3H6O2Na + H2O + CO2 =>
15 C3H6O2 + 14 NaHCO3(aq) = 14 C3H6O2Na + 10 H2O + 17 CO2
C6H8O7 + NaOH = CO2 + Na + H2O =>
C6H8O7 + 18 NaOH = 6 CO2 + 18 Na + 13 H2O
Ca3(PO4)2 + Si2O4 + C = P4 + CaSiO3 + CO =>
2 Ca3(PO4)2 + 3 Si2O4 + 10 C = P4 + 6 CaSiO3 + 10 CO
VO2Cl + NH4OH = NH4VO3 + NH4Cl + H2O =>
VO2Cl + 2 NH4OH = NH4VO3 + NH4Cl + H2O
SO2 + KI + H2O = KOH + I2 + H2S =>
SO2 + 6 KI + 4 H2O = 6 KOH + 3 I2 + H2S
Pb3(PO4)2 + NaOH = Pb(OH)2 + Na3PO4 =>
Pb3(PO4)2 + 6 NaOH = 3 Pb(OH)2 + 2 Na3PO4
C + N + H2 = C2NH2 =>
2 C + N + H2 = C2NH2
CuCl2 + Zn = ZnCl2 + Cu =>
CuCl2 + Zn = ZnCl2 + Cu
Fe3(PO4)2 + CuSO4 = FeSO4 + Cu3(PO4)2 =>
Fe3(PO4)2 + 3 CuSO4 = 3 FeSO4 + Cu3(PO4)2
SbH5 + S2 = Sb2S2 + H2S =>
4 SbH5 + 7 S2 = 2 Sb2S2 + 10 H2S
NaCl + H2CO3 = Na(CO3) + H2Cl =>
NaCl + H2CO3 = Na(CO3) + H2Cl
C3H8O + K2Cr2O7 + H{+} = Cr{3+} + CO2 + H2O + K{+} =>
C3H8O + 3 K2Cr2O7 + 24 H{+} = 6 Cr{3+} + 3 CO2 + 16 H2O + 6 K{+}
(NH4)2Fe(SO4)2 + NaOH = NH4OH + Na2SO4 + Fe(OH)2 =>
(NH4)2Fe(SO4)2 + 4 NaOH = 2 NH4OH + 2 Na2SO4 + Fe(OH)2
SO2 + H2 = H2S + H2O =>
SO2 + 3 H2 = H2S + 2 H2O
Ga3 + H2O = Ga(OH)3 + H2 =>
2 Ga3 + 18 H2O = 6 Ga(OH)3 + 9 H2
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
Cu + Al(OH)3 = AlCu + OH =>
Cu + Al(OH)3 = AlCu + 3 OH
K2CrO7 + H2SO4 + H2S = Cr2(SO4)2 + K2SO4 + H2O =>
4 K2CrO7 + 3 H2SO4 + 5 H2S = 2 Cr2(SO4)2 + 4 K2SO4 + 8 H2O
Fe(CH3COO)5 = Fe2O5 + C3H6O + CO2 =>
2 Fe(CH3COO)5 = Fe2O5 + 5 C3H6O + 5 CO2
AgNO3(aq) + NaF(aq) = AgF + NaNO3 =>
AgNO3(aq) + NaF(aq) = AgF + NaNO3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HCl + Pt(OH) = PtClH2O =>
HCl + Pt(OH) = PtClH2O
Sn(s) + HCl(aq) = SnCl2(aq) + H2(g) =>
Sn(s) + 2 HCl(aq) = SnCl2(aq) + H2(g)
H2 + V2O5 = V2O3 + H3O =>
3 H2 + V2O5 = V2O3 + 2 H3O
Ag2S04 + CoCl3 = Co2(S04)3 + AgCl =>
3 Ag2S04 + 2 CoCl3 = Co2(S04)3 + 6 AgCl
SO2 + H2 = H2S + H2O =>
SO2 + 3 H2 = H2S + 2 H2O
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