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2 Zn + 2 CH3CH2COOH = 2 Zn(CH3CH2COO) + H2
Na2S + Au = AuS + Na =>
Na2S + Au = AuS + 2 Na
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Fe2 + HCl = FeCl2 + H =>
Fe2 + 4 HCl = 2 FeCl2 + 4 H
KBr + SnS2 = SnBr4 + K2S =>
4 KBr + SnS2 = SnBr4 + 2 K2S
K2Cr2O7 + H2 + H2SO4 = Cr2(SO4)3 + KSO4 + H2O =>
K2Cr2O7 + 2 H2 + 5 H2SO4 = Cr2(SO4)3 + 2 KSO4 + 7 H2O
KCl + FeCl2 + HCN = K4[Fe(CN)6] + HCl =>
4 KCl + FeCl2 + 6 HCN = K4[Fe(CN)6] + 6 HCl
C4H10 + Br2 = C4H10Br2 =>
C4H10 + Br2 = C4H10Br2
Mo + HF + HNO3 = H[MoF7] + NO + H2O =>
Mo + 7 HF + 2 HNO3 = H[MoF7] + 2 NO + 4 H2O
Ag + HNO3 + H2SO4 = Ag2SO4 + NO + H2O =>
6 Ag + 2 HNO3 + 3 H2SO4 = 3 Ag2SO4 + 2 NO + 4 H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
CH2ClCOOH + Na2CO3 = CH2ClCOONa + CO2 + H2O =>
2 CH2ClCOOH + Na2CO3 = 2 CH2ClCOONa + CO2 + H2O
HNO3(aq) + Ga(OH)3(s) = H2O + Ga(NO3)3 =>
3 HNO3(aq) + Ga(OH)3(s) = 3 H2O + Ga(NO3)3
K2SO3 + H3PO4 = K3(PO4) + SO2 + H2O =>
3 K2SO3 + 2 H3PO4 = 2 K3(PO4) + 3 SO2 + 3 H2O
C10H8 + O = CO + H2O =>
C10H8 + 14 O = 10 CO + 4 H2O
NaCN + NaOCl = NaOCN + NaCl =>
NaCN + NaOCl = NaOCN + NaCl
FeSO4 + BaNO32 = FeNO32 + BaSO4 =>
FeSO4 + BaNO32 = FeNO32 + BaSO4
(NH4)CO3 + KOH = KCO3 + NH4OH =>
(NH4)CO3 + KOH = KCO3 + NH4OH
HCO2H + NaOH = NaCO2 + H3O =>
HCO2H + NaOH = NaCO2 + H3O
Fe(s) + Pb(NO3)2(aq) = Fe(NO3)2(aq) + Pb(s) =>
Fe(s) + Pb(NO3)2(aq) = Fe(NO3)2(aq) + Pb(s)
Ca(CH3COO)2 = CaCO3 + (CH3)2CO =>
Ca(CH3COO)2 = CaCO3 + (CH3)2CO
Ba + I2 = BaI =>
2 Ba + I2 = 2 BaI
HOAc + NaHCO3 = CO2 + NaOAc + H2O =>
HOAc + NaHCO3 = CO2 + NaOAc + H2O
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
NiCO3*Ni(OH)2 + H2SO4 = NiSO4 + CO2 + H2O =>
NiCO3*Ni(OH)2 + 2 H2SO4 = 2 NiSO4 + CO2 + 3 H2O
AgNO3 + Mg = Ag2O + MgO + N2 =>
2 AgNO3 + 5 Mg = Ag2O + 5 MgO + N2
H3PO3 + Sb(OH)3 = SbPO3 + H2O =>
H3PO3 + Sb(OH)3 = SbPO3 + 3 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
AgI + NaCl = AgCl + NaI =>
AgI + NaCl = AgCl + NaI
SnS + H2SO4 = SnSO4 + H2S =>
SnS + H2SO4 = SnSO4 + H2S
KMnO4 + C3H6O + H2O = C3H6O2 + MnO2 + KOH =>
2 KMnO4 + 3 C3H6O + H2O = 3 C3H6O2 + 2 MnO2 + 2 KOH
CuO(s) + H2O(l) + CO2(g) = CuCO3*Cu(OH)2(s) =>
2 CuO(s) + H2O(l) + CO2(g) = CuCO3*Cu(OH)2(s)
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2 + C + N2 = HCN =>
H2 + 2 C + N2 = 2 HCN
C3H4O2 + KOH = C3H3KO2 + H2O =>
C3H4O2 + KOH = C3H3KO2 + H2O
Mn2O7 + Sr = Mn + SrO =>
Mn2O7 + 7 Sr = 2 Mn + 7 SrO
C6H5CH(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C6H5COOH + H2O =>
21 C6H5CH(OH)CH3 + 20 K2Cr2O7 + 80 H2SO4 = 20 Cr2(SO4)3 + 20 K2SO4 + 24 C6H5COOH + 113 H2O
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
Ca{2+} + OH{-} = Ca(OH)2 =>
Ca{2+} + 2 OH{-} = Ca(OH)2
Cu + ZnSO4(aq) = CuSO4 + Zn =>
Cu + ZnSO4(aq) = CuSO4 + Zn
EuSO4 + KBrO3 + H2O = Eu2(SO4)3 + KBr + Eu(OH) =>
18 EuSO4 + KBrO3 + 3 H2O = 6 Eu2(SO4)3 + KBr + 6 Eu(OH)
Co + Au{3+} = Co{2+} + Au =>
3 Co + 2 Au{3+} = 3 Co{2+} + 2 Au
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Zn(s) + H3PO4(aq) = Zn3(PO4)2(aq) + H2(g) =>
3 Zn(s) + 2 H3PO4(aq) = Zn3(PO4)2(aq) + 3 H2(g)
NH4Cl + Fe(NO3)3 = NH4NO3 + Cl3Fe =>
3 NH4Cl + Fe(NO3)3 = 3 NH4NO3 + Cl3Fe
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Al + NiBr2 = AlBr3 + Ni =>
2 Al + 3 NiBr2 = 2 AlBr3 + 3 Ni
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
CH3Cl = C + H2 + Cl2 =>
2 CH3Cl = 2 C + 3 H2 + Cl2
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