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MgO + Cr2O3 = MgCr2O4
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
KAl(SO4)2*12H2O + NaCl = Na2SO4 + K + Cl + Al + H2O =>
KAl(SO4)2*12H2O + 4 NaCl = 2 Na2SO4 + K + 4 Cl + Al + 12 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
SnCl4 + Fe = SnCl2 + FeCl3 =>
3 SnCl4 + 2 Fe = 3 SnCl2 + 2 FeCl3
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
CoCO3 + HNO3 = Co(NO3)2 + H2O + CO2 =>
CoCO3 + 2 HNO3 = Co(NO3)2 + H2O + CO2
Cu + H2O = CuO + H{+} + e =>
Cu + H2O = CuO + 2 H{+} + 2e
Cl2NH4Br = NH4Cl2Br =>
Cl2NH4Br = NH4Cl2Br
Ca(C2H3O2)2 + K3PO4 = Ca3(PO4)2 + KC2H3O2 =>
3 Ca(C2H3O2)2 + 2 K3PO4 = Ca3(PO4)2 + 6 KC2H3O2
KI + MnO2 + H2O = KOH + MnI2 + I2 =>
4 KI + MnO2 + 2 H2O = 4 KOH + MnI2 + I2
Cu2 + H2O = CuO + H2 =>
Cu2 + 2 H2O = 2 CuO + 2 H2
Co(NO3)2 + Na2HPO4 = Co3(PO4)2 + NaNO3 + HNO3 =>
3 Co(NO3)2 + 2 Na2HPO4 = Co3(PO4)2 + 4 NaNO3 + 2 HNO3
NaCl + Ca(No3)2 = CaCl2 + Na2(No3)2 =>
2 NaCl + Ca(No3)2 = CaCl2 + Na2(No3)2
La2O3(s) + S = SO2 + La =>
2 La2O3(s) + 3 S = 3 SO2 + 4 La
Cu3O + H2 = Cu2 + H2O =>
2 Cu3O + 2 H2 = 3 Cu2 + 2 H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Na3[Al(OH)6] + H2S = Na2S + Al(OH)3 + H2O =>
2 Na3[Al(OH)6] + 3 H2S = 3 Na2S + 2 Al(OH)3 + 6 H2O
KOH + CH3OH = CH3KO + H2O =>
KOH + CH3OH = CH3KO + H2O
C12H22O11 + Ca(OH)2 = C12H22O11CaO + H2O =>
C12H22O11 + Ca(OH)2 = C12H22O11CaO + H2O
CaCO3 + NaSO3 = Ca2SO3 + Na(CO3)2 =>
2 CaCO3 + NaSO3 = Ca2SO3 + Na(CO3)2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
KMnO4 + K2SO3 + HCl = MnCl2 + KCl + K2SO4 + H2O =>
2 KMnO4 + 5 K2SO3 + 6 HCl = 2 MnCl2 + 2 KCl + 5 K2SO4 + 3 H2O
CaCO3 + NaSO3 = Ca2SO3 + Na(CO3)2 =>
2 CaCO3 + NaSO3 = Ca2SO3 + Na(CO3)2
Na3[Al(OH)6] + H2S = Na2S + Al(OH)3 + H2O =>
2 Na3[Al(OH)6] + 3 H2S = 3 Na2S + 2 Al(OH)3 + 6 H2O
HCOONa + H2O = HCOOH + NaOH =>
HCOONa + H2O = HCOOH + NaOH
FeCl3 + NaOH = FeNa + Cl3OH =>
FeCl3 + NaOH = FeNa + Cl3OH
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
CaCO3 + NaSO3 = Ca2SO3 + Na(CO3)2 =>
2 CaCO3 + NaSO3 = Ca2SO3 + Na(CO3)2
NH4Cl + Pb(C2H3O2)2 = PbCl2 + NH4(C2H3O2) =>
2 NH4Cl + Pb(C2H3O2)2 = PbCl2 + 2 NH4(C2H3O2)
Na2O2 + HI = NaI + I2 + H2O =>
Na2O2 + 4 HI = 2 NaI + I2 + 2 H2O
Na3[Al(OH)6] + H2S = Na2S + Al(OH)3 + H2O =>
2 Na3[Al(OH)6] + 3 H2S = 3 Na2S + 2 Al(OH)3 + 6 H2O
AlNaOH + H2O = Na(Al(OH)4) + H2 =>
2 AlNaOH + 6 H2O = 2 Na(Al(OH)4) + 3 H2
H2SO3CaCO3 = CaSO3H2CO3 =>
H2SO3CaCO3 = CaSO3H2CO3
FeO + KCNS = Fe(CNS) + KO =>
FeO + KCNS = Fe(CNS) + KO
AuNO3 = AuNO2 + O2 =>
2 AuNO3 = 2 AuNO2 + O2
H2O2 + Zn = ZnO + H =>
H2O2 + 2 Zn = 2 ZnO + 2 H
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
HHClO = ClH2O =>
HHClO = ClH2O
H2O + Na2S + O2 = Na2S2O3 + NaOH =>
H2O + 2 Na2S + 2 O2 = Na2S2O3 + 2 NaOH
Ag(NO3) + Na3(PO4) = Ag3(PO4) + Na(NO3) =>
3 Ag(NO3) + Na3(PO4) = Ag3(PO4) + 3 Na(NO3)
ZnO + HNO3 = ZnNO4 + H2 =>
2 ZnO + 2 HNO3 = 2 ZnNO4 + H2
CH3CH2COOH + Al = (CH3CH2COO)Al + H2 =>
2 CH3CH2COOH + 2 Al = 2(CH3CH2COO)Al + H2
K2Cr2O7 + H2SO4 + FeSO4 = K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 FeSO4 = K2SO4 + 3 Fe2(SO4)3 + Cr2(SO4)3 + 7 H2O
(Cu(NH3)4(H2O)2){+2} + H2SO4 = CuSO4 + (NH4)2SO4 + H3O{+} =>
(Cu(NH3)4(H2O)2){+2} + 3 H2SO4 = CuSO4 + 2(NH4)2SO4 + 2 H3O{+}
Pb(C2H3O2)2(aq) + LiCl(aq) = PbCl2(s) + LiC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + 2 LiCl(aq) = PbCl2(s) + 2 LiC2H3O2(aq)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Ca + H2SO4 = CaSO4 + H2 = =>
Ca + H2SO4 = CaSO4 + H2
CuI2 + Cl = CuCl2 + I =>
CuI2 + 2 Cl = CuCl2 + 2 I
NH4Cl + Ca(OH2) = CaCl2 + H2O + NH4 =>
2 NH4Cl + Ca(OH2) = CaCl2 + H2O + 2 NH4
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