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2 KOH + CaCO3 = K2CO3 + Ca(OH)2
FeS + HCl = Fe + H2S + Cl2 =>
FeS + 2 HCl = Fe + H2S + Cl2
CaN2C + H2O = CaCO3 + NH3 =>
CaN2C + 3 H2O = CaCO3 + 2 NH3
CuCl2 + K2(CrO4) = Cu(CrO4) + KCl =>
CuCl2 + K2(CrO4) = Cu(CrO4) + 2 KCl
Fe + F = FeF3 =>
Fe + 3 F = FeF3
Na2CO3 + AgNO3 = Na2NO3 + AgCO3 =>
Na2CO3 + AgNO3 = Na2NO3 + AgCO3
Pb(NO2)2 + H2O = Pb(OH)2 + HNO2 =>
Pb(NO2)2 + 2 H2O = Pb(OH)2 + 2 HNO2
Sb(s) + O2(g) = Sb4O6(s) =>
4 Sb(s) + 3 O2(g) = Sb4O6(s)
KNO3 + Na3[Co(NO2)6] = K3Co(NO2)6 + NaNO3 =>
3 KNO3 + Na3[Co(NO2)6] = K3Co(NO2)6 + 3 NaNO3
HNO3 + Mg(HCO3)2 = H + Mg(NO3)2 + (HCO3) =>
2 HNO3 + Mg(HCO3)2 = 2 H + Mg(NO3)2 + 2(HCO3)
CrO3 + H2O + KI = I2 + Cr(OH)3 + KOH =>
2 CrO3 + 6 H2O + 6 KI = 3 I2 + 2 Cr(OH)3 + 6 KOH
KOH + Mn(OH)2 = K2(Mn(OH)4) =>
2 KOH + Mn(OH)2 = K2(Mn(OH)4)
CaOKOH = CaOHKO =>
CaOKOH = CaOHKO
HCl + CaCl2 = Ca + HCl4 =>
2 HCl + 3 CaCl2 = 3 Ca + 2 HCl4
Na2(OH)2 + CaCl2 = Ca(OH)2 + NaCl =>
Na2(OH)2 + CaCl2 = Ca(OH)2 + 2 NaCl
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2SO4 + Al = Al2(SO4)3 + H2 =>
3 H2SO4 + 2 Al = Al2(SO4)3 + 3 H2
KMnO4 + MnSO4 = MnO2 + K2SO4 + SO4 =>
2 KMnO4 + 2 MnSO4 = 4 MnO2 + K2SO4 + SO4
CuCl2HCl = CuClHCl2 =>
CuCl2HCl = CuClHCl2
Mn2O7 + H2SO4 = MnSO4 + H2O + O2 =>
2 Mn2O7 + 4 H2SO4 = 4 MnSO4 + 4 H2O + 5 O2
Na2SO3 + K2CrO4 + H2SO4 = Na2SO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 Na2SO3 + 2 K2CrO4 + 5 H2SO4 = 3 Na2SO4 + Cr2(SO4)3 + 2 K2SO4 + 5 H2O
NiSPb(NO3)2 = Ni(NO3)2PbS =>
NiSPb(NO3)2 = Ni(NO3)2PbS
C3H8O + NH3 = C3H9N + H2O =>
C3H8O + NH3 = C3H9N + H2O
C2H2 = C + H2 =>
C2H2 = 2 C + H2
H4P2O7 + Al(OH)3 = Al4(P2O7)3 + H2O =>
3 H4P2O7 + 4 Al(OH)3 = Al4(P2O7)3 + 12 H2O
NaCN + CuCO3 = Na2CO3 + Cu(CN)2 =>
2 NaCN + CuCO3 = Na2CO3 + Cu(CN)2
ZnSO3(s) = ZnO(s) + SO2(g) =>
ZnSO3(s) = ZnO(s) + SO2(g)
ZnOHCO2 = ZnHCO3 =>
ZnOHCO2 = ZnHCO3
Cr(OH)3 + NaOH = CrO3 + Na + H2O =>
Cr(OH)3 + 3 NaOH = CrO3 + 3 Na + 3 H2O
H2SO4(aq) + Mg(OH)2 = MgSO4(aq) + H2O =>
H2SO4(aq) + Mg(OH)2 = MgSO4(aq) + 2 H2O
Fe + F = FeF3 =>
Fe + 3 F = FeF3
Zn + NO2{-} + OH{-} + H2O = [Zn(OH)4]{-} + NH3 =>
2 Zn + NO2{-} + OH{-} + 5 H2O = 2[Zn(OH)4]{-} + NH3
NaCN + CuCO3 = Na2CO3 + Cu(CN)2 =>
2 NaCN + CuCO3 = Na2CO3 + Cu(CN)2
N5 = N2 =>
2 N5 = 5 N2
CuS + NaF = CuF2 + Na2S =>
CuS + 2 NaF = CuF2 + Na2S
Mn2O3 + PbO2 + OsO2 = Pb2MnOsO6 + O2 =>
2 Mn2O3 + 8 PbO2 + 4 OsO2 = 4 Pb2MnOsO6 + 3 O2
HF = F + H =>
HF = F + H
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
RbAs + Fe + FeAs + La = RbLaFe2As2 =>
RbAs + Fe + FeAs + La = RbLaFe2As2
NaBrO3 + HI = I2 + NaBr + H2O =>
NaBrO3 + 6 HI = 3 I2 + NaBr + 3 H2O
(CH2)2CH4 + O2 = CO2 + H2O =>
(CH2)2CH4 + 5 O2 = 3 CO2 + 4 H2O
Fe(OH)3 + HBr = FeBr3 + H2O =>
Fe(OH)3 + 3 HBr = FeBr3 + 3 H2O
HF + CH3OH = CH3F + H2O =>
HF + CH3OH = CH3F + H2O
Fe2O3 + C = Fe3O4 + CO =>
3 Fe2O3 + C = 2 Fe3O4 + CO
AgNO3(aq) + H2(g) = HNO3(aq) + Ag(s) =>
2 AgNO3(aq) + H2(g) = 2 HNO3(aq) + 2 Ag(s)
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
CH3CH2Cl + CH3CH2ONa = CH3CH2OCH2CH3 + NaCl =>
CH3CH2Cl + CH3CH2ONa = CH3CH2OCH2CH3 + NaCl
H2SO3 = SO2H2O =>
H2SO3 = SO2H2O
C6H5COOCH2CH3NaOH = CH3CH2OHC6H5COONa =>
C6H5COOCH2CH3NaOH = CH3CH2OHC6H5COONa
Al2(SO4)3 + Sr(OH)2 = Al(OH)3 + Sr2(SO4)2 =>
2 Al2(SO4)3 + 6 Sr(OH)2 = 4 Al(OH)3 + 3 Sr2(SO4)2
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