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K2Cr2O7 + 2 NaH2SO3 = Na2Cr2O7 + 2 KH2SO3
XeF + Br2 = BrF7 + Xe =>
14 XeF + Br2 = 2 BrF7 + 14 Xe
Fe2 + H2O = FeO + H2 =>
Fe2 + 2 H2O = 2 FeO + 2 H2
MnO4{-} + NH3(g) = MnO2 + NO3{-} + OH{-} + H2O =>
8 MnO4{-} + 3 NH3(g) = 8 MnO2 + 3 NO3{-} + 5 OH{-} + 2 H2O
Cu(SO4)2 + Na(OH) = Cu(OH)2 + Na(SO4) =>
Cu(SO4)2 + 2 Na(OH) = Cu(OH)2 + 2 Na(SO4)
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
NaCl(aq) + Ag2SO4(s) = Na2SO4(s) + AgCl(aq) =>
2 NaCl(aq) + Ag2SO4(s) = Na2SO4(s) + 2 AgCl(aq)
KBr + BaCl2 = KCl + BaBr2 =>
2 KBr + BaCl2 = 2 KCl + BaBr2
C2H5NH2 + H2SO4 = [C2H5NH3]2SO4 =>
2 C2H5NH2 + H2SO4 = [C2H5NH3]2SO4
K2Cr2O7 + SO2 + HCl = CrCl3 + K2SO4 + H2SO4 + H2O =>
K2Cr2O7 + 3 SO2 + 6 HCl = 2 CrCl3 + K2SO4 + 2 H2SO4 + H2O
Al(s) + Zn(NO3)2(aq) = Al(NO3)2(aq) + Zn(s) =>
Al(s) + Zn(NO3)2(aq) = Al(NO3)2(aq) + Zn(s)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CO2 + Na = NaCO2 =>
CO2 + Na = NaCO2
NH + HCl = NH2Cl =>
NH + HCl = NH2Cl
HC6H7O7 + CaCO3 = Ca(C6H7O7)2 + H2O + CO2 =>
2 HC6H7O7 + CaCO3 = Ca(C6H7O7)2 + H2O + CO2
Cu(O) + HCl = Cu(Cl)2 + H2O =>
Cu(O) + 2 HCl = Cu(Cl)2 + H2O
NaCl + Mg2S2 = MgCl2 + Na2S =>
4 NaCl + Mg2S2 = 2 MgCl2 + 2 Na2S
Pb + FeCu = PbCu + Fe =>
Pb + FeCu = PbCu + Fe
LiOH + H2SO3 = H2O + SO3Li2 =>
2 LiOH + H2SO3 = 2 H2O + SO3Li2
NaHCO3 + CH3CO2 = NaCH3CO2H + H2O + CO2 =>
7 NaHCO3 + 9 CH3CO2 = 7 NaCH3CO2H + 3 H2O + 11 CO2
PO4Ag3 + HNO3 = NO3 + H3PO4 + Ag3 =>
PO4Ag3 + 3 HNO3 = 3 NO3 + H3PO4 + Ag3
CH3OH + MnO4{-} + H{+} = HCOO{-} + MnO2 + H2O =>
3 CH3OH + 4 MnO4{-} + H{+} = 3 HCOO{-} + 4 MnO2 + 5 H2O
Ni(NO3)2 + (NH4)2S = NiS + (NH4)NO3 =>
Ni(NO3)2 + (NH4)2S = NiS + 2(NH4)NO3
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
K2NO3 = K2NO2 + O2 =>
2 K2NO3 = 2 K2NO2 + O2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Eu2O3 + La = Eu + La2O3 =>
Eu2O3 + 2 La = 2 Eu + La2O3
Zn + S = ZnS =>
Zn + S = ZnS
AlCl3 + NaCl = Na3AlCl6 =>
AlCl3 + 3 NaCl = Na3AlCl6
CH3CH(OH)CH3 + KMnO4 + H2O = CH2(OH)CH(OH)CH3 + MnO2 + KOH =>
3 CH3CH(OH)CH3 + 2 KMnO4 + H2O = 3 CH2(OH)CH(OH)CH3 + 2 MnO2 + 2 KOH
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
K2CO3H2SO3 = K2SO4COH2O =>
K2CO3H2SO3 = K2SO4COH2O
C2H5OH + Cu(OH)2 = CH3CHO + Cu + H2O =>
C2H5OH + Cu(OH)2 = CH3CHO + Cu + 2 H2O
Cu(NO3)2 + FeCl3 = CuCl2 + Fe(NO3)3 =>
3 Cu(NO3)2 + 2 FeCl3 = 3 CuCl2 + 2 Fe(NO3)3
H2SO4 + Fe = Fe2(SO4)3 + S + H2O =>
4 H2SO4 + 2 Fe = Fe2(SO4)3 + S + 4 H2O
KOH + MnO2 + Cl2 = KMnO4 + KCl + H2O =>
8 KOH + 2 MnO2 + 3 Cl2 = 2 KMnO4 + 6 KCl + 4 H2O
AlI = Al2I6 + Al =>
6 AlI = Al2I6 + 4 Al
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
C3H6O2H2 = C3H8O2 =>
C3H6O2H2 = C3H8O2
H(g) + F(g) = HF =>
H(g) + F(g) = HF
Al2(SO4)3 + Ca(OH)2(aq) = Al(OH)3(s) + CaSO4(aq) =>
Al2(SO4)3 + 3 Ca(OH)2(aq) = 2 Al(OH)3(s) + 3 CaSO4(aq)
(NH4)2SO4 + K2O = K2SO4 + NH3 + H2O =>
(NH4)2SO4 + K2O = K2SO4 + 2 NH3 + H2O
Cd(NO3)2 + Hg2S = CdS + HgNO3 =>
Cd(NO3)2 + Hg2S = CdS + 2 HgNO3
(CH3CHO)4 + O2 = CO2 + H2O =>
(CH3CHO)4 + 10 O2 = 8 CO2 + 8 H2O
C = C51 =>
51 C = C51
LiF + O2 = Li2O + F =>
4 LiF + O2 = 2 Li2O + 4 F
CaCl2 + NaOH = Ca(OH)2 + NaCl =>
CaCl2 + 2 NaOH = Ca(OH)2 + 2 NaCl
CrBr3 + Na3PO4 = CrPO4 + Br3Na3 =>
CrBr3 + Na3PO4 = CrPO4 + Br3Na3
C6H5NH2 + O2 = CO2 + H2O + NO2 =>
4 C6H5NH2 + 35 O2 = 24 CO2 + 14 H2O + 4 NO2
CuS + Al + NaCl = Cu + AlCl3 + Na2S =>
3 CuS + 2 Al + 6 NaCl = 3 Cu + 2 AlCl3 + 3 Na2S
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