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2 NiCl2 + 2 H2S = Ni2S2 + 4 HCl
P + Cl = PCl3 =>
P + 3 Cl = PCl3
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cl2 + NaOH = NaCl + NaClO3 + H2O =>
3 Cl2 + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
HCl + Au + HNO3 = AuCl3 + H2O + NO =>
3 HCl + Au + HNO3 = AuCl3 + 2 H2O + NO
Pb + P = Pb3P =>
3 Pb + P = Pb3P
Fe3O4 + C = Fe + CO =>
Fe3O4 + 4 C = 3 Fe + 4 CO
Al + Zn2{+} = Al3{+} + Zn =>
3 Al + Zn2{+} = Al3{+} + 2 Zn
Si + O = SiO2 =>
Si + 2 O = SiO2
Sr(OH)2 + PbBr2 = SrBr2 + Pb(OH)2 =>
Sr(OH)2 + PbBr2 = SrBr2 + Pb(OH)2
Fe3O4 + C = FeO + CO2 =>
2 Fe3O4 + C = 6 FeO + CO2
Sr + (NH4)2CO3 = SrCO3 + NH4 =>
Sr + (NH4)2CO3 = SrCO3 + 2 NH4
KHC8H4O4(aq) + NaOH(aq) = KNaC8H4O4(aq) + H2O(l) =>
KHC8H4O4(aq) + NaOH(aq) = KNaC8H4O4(aq) + H2O(l)
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
KMnO4 + NaSO3 + H2O = MnO2 + NaSO4 + KOH =>
2 KMnO4 + 3 NaSO3 + H2O = 2 MnO2 + 3 NaSO4 + 2 KOH
NO3 + C = N2 + CO2 =>
2 NO3 + 3 C = N2 + 3 CO2
AlNaOH + H2O = NaAl(OH)4 + H2 =>
2 AlNaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
CH2O + NO3{-} = N2 + HCO3{-} + CO2 + H2O =>
5 CH2O + 4 NO3{-} = 2 N2 + 4 HCO3{-} + CO2 + 3 H2O
H3PO4 + MgF2 = MgHPO4 + HF =>
H3PO4 + MgF2 = MgHPO4 + 2 HF
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
HF + KCl = HCl + KF =>
HF + KCl = HCl + KF
NaNO3 + H2O = Na2O + HNO3 =>
2 NaNO3 + H2O = Na2O + 2 HNO3
COCl2 = CO + Cl2 =>
COCl2 = CO + Cl2
F + AlBr3 = FBr + Al =>
3 F + AlBr3 = 3 FBr + Al
(NH4)3PO4 + Cu(NO3)2 = (NH4)3(NO3)2 + CuPO4 =>
(NH4)3PO4 + Cu(NO3)2 = (NH4)3(NO3)2 + CuPO4
Cr(OH)6 = CrO3 + H2O =>
Cr(OH)6 = CrO3 + 3 H2O
CuSO4 + (NH4)3PO4 = Cu3(PO4)2 + (NH4)2SO4 =>
3 CuSO4 + 2(NH4)3PO4 = Cu3(PO4)2 + 3(NH4)2SO4
Mg(ClO3)2(aq) + K3PO4(aq) = Mg3(PO4)2 + KClO3 =>
3 Mg(ClO3)2(aq) + 2 K3PO4(aq) = Mg3(PO4)2 + 6 KClO3
C2H6O + HCOOH = C3H6O2 + H2O =>
C2H6O + HCOOH = C3H6O2 + H2O
CuSO4 + (NH4)3PO4 = Cu3(PO4)2 + (NH4)2SO4 =>
3 CuSO4 + 2(NH4)3PO4 = Cu3(PO4)2 + 3(NH4)2SO4
[Cd(NH3)4](OH)2 + CS(NH2)2 = CdS + NH2CN + H2O + NH3 =>
[Cd(NH3)4](OH)2 + CS(NH2)2 = CdS + NH2CN + 2 H2O + 4 NH3
NaCOOH + H2O = NaOH + HCOOH =>
NaCOOH + H2O = NaOH + HCOOH
BeO + H = BeOH =>
BeO + H = BeOH
C5H12OH + O2 = H2O + CO2 =>
4 C5H12OH + 31 O2 = 26 H2O + 20 CO2
CuSO4 + (NH4)3PO4 = Cu3(PO4)2 + (NH4)2SO4 =>
3 CuSO4 + 2(NH4)3PO4 = Cu3(PO4)2 + 3(NH4)2SO4
CaBr2 + N2 = Ca3N2 + Br2 =>
3 CaBr2 + N2 = Ca3N2 + 3 Br2
Ca + BaO = CaO + Ba =>
Ca + BaO = CaO + Ba
CaCl + NaCO3 = NaCl + CaCO3 =>
CaCl + NaCO3 = NaCl + CaCO3
CH3CH2CH2COH + [Ag(NH3)2]OH = CH3CH2COONH4 + Ag + NH3 + H2O =>
3 CH3CH2CH2COH + 10[Ag(NH3)2]OH = 4 CH3CH2COONH4 + 10 Ag + 16 NH3 + 5 H2O
NaClO4(s) + KNO3(aq) = KClO4(s) + NaNO3 =>
NaClO4(s) + KNO3(aq) = KClO4(s) + NaNO3
K2CrO4 + Co(NO3)2 = CoCrO4 + KNO3 =>
K2CrO4 + Co(NO3)2 = CoCrO4 + 2 KNO3
Pb + HNO3 = Pb(NO3)2 + H2 =>
Pb + 2 HNO3 = Pb(NO3)2 + H2
K2Cr2O7 + NaBr + H2SO4 = Br2 + Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
K2Cr2O7 + 6 NaBr + 7 H2SO4 = 3 Br2 + Cr2(SO4)3 + K2SO4 + 3 Na2SO4 + 7 H2O
Cu2CO3 + HNO3 = Cu(NO3)2 + CO2 + H2O + NO2 =>
Cu2CO3 + 6 HNO3 = 2 Cu(NO3)2 + CO2 + 3 H2O + 2 NO2
*Li + AlCl3 = LiCl + Al =>
3*Li + AlCl3 = 3 LiCl + Al
HClO4 + NaOH = NaClO4 + H2O =>
HClO4 + NaOH = NaClO4 + H2O
BaCl2 + K2SO4 = BaSO4 + KCl =>
BaCl2 + K2SO4 = BaSO4 + 2 KCl
PbO2 + HCl = PbCl2 + Cl2 + H2O =>
PbO2 + 4 HCl = PbCl2 + Cl2 + 2 H2O
As2S3 + Mn(NO3)2 + K2CO3 = K3AsO4 + K2SO4 + K2MnO4 + NO + CO2 =>
As2S3 + 14 Mn(NO3)2 + 20 K2CO3 = 2 K3AsO4 + 3 K2SO4 + 14 K2MnO4 + 28 NO + 20 CO2
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