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2 Fe1 + S2 = 2 FeS
H + OH = H2O =>
H + OH = H2O
O2 + Li2CO3 + Mn2O3 + NiO = LiMnNiO4 + CO2 =>
O2 + Li2CO3 + Mn2O3 + 2 NiO = 2 LiMnNiO4 + CO2
NO + NO2 + NaOH = NaNO2 + H2O =>
NO + NO2 + 2 NaOH = 2 NaNO2 + H2O
C6H12 + H2O = CH4 + CO2 =>
2 C6H12 + 6 H2O = 9 CH4 + 3 CO2
Cu(NO3)2 + Na2S = CuS + NaNO3 =>
Cu(NO3)2 + Na2S = CuS + 2 NaNO3
Al + Cr(OH)2 = Al(OH)3 + Cr =>
2 Al + 3 Cr(OH)2 = 2 Al(OH)3 + 3 Cr
NaHCO3(s) = Na2 + O3(s) + CO2(g) + H2O(g) =>
6 NaHCO3(s) = 3 Na2 + O3(s) + 6 CO2(g) + 3 H2O(g)
Al(s) + H2O(l) = Al(OH)3(s) + H2(g) =>
2 Al(s) + 6 H2O(l) = 2 Al(OH)3(s) + 3 H2(g)
KMnO4 + H3PO3 + H2SO4 = MnSO4 + K2SO4 + H2O + H3PO4 =>
2 KMnO4 + 5 H3PO3 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 3 H2O + 5 H3PO4
Pb(OAc)2 + H2SO4 = PbSO4 + H2(OAc)2 =>
Pb(OAc)2 + H2SO4 = PbSO4 + H2(OAc)2
Co + KSCN = CoSCN + K =>
Co + KSCN = CoSCN + K
C6H9O5 + O2 = H2O + CO2 =>
4 C6H9O5 + 23 O2 = 18 H2O + 24 CO2
Mg + Hg2SO4 = MgSO4 + Hg =>
Mg + Hg2SO4 = MgSO4 + 2 Hg
Al + S = Al(lll)S =>
Al + S = Al(lll)S
MgO + NCl = MgCl2 + N2O =>
MgO + 2 NCl = MgCl2 + N2O
C2H2 + HBr = C2HBr + H2 =>
C2H2 + HBr = C2HBr + H2
LiCl + HCl = Cl2 + LiH =>
LiCl + HCl = Cl2 + LiH
FeS2 + O2 = Fe2O3 + SO3 =>
4 FeS2 + 15 O2 = 2 Fe2O3 + 8 SO3
CH3COOH + FeCl3 = Fe(CH3COOH)3 + Cl =>
3 CH3COOH + FeCl3 = Fe(CH3COOH)3 + 3 Cl
CuCl2 + CaCo3 = CuCo3 + CaCl2 =>
CuCl2 + CaCo3 = CuCo3 + CaCl2
C2H2 + C2H6 = C2H4 =>
C2H2 + C2H6 = 2 C2H4
C2H5COOH + Cl2 = C2H4ClCOO + HCl =>
2 C2H5COOH + 3 Cl2 = 2 C2H4ClCOO + 4 HCl
Na + N3 = NaN3 =>
Na + N3 = NaN3
CaCO3 + H2O(l) = Ca(OH)2 + CO2 =>
CaCO3 + H2O(l) = Ca(OH)2 + CO2
Ba3(PO4)2 + H = Ba + H3PO4 =>
Ba3(PO4)2 + 6 H = 3 Ba + 2 H3PO4
H2SO4 + NaOH = Na + SO4 + H2O =>
H2SO4 + 2 NaOH = 2 Na + SO4 + 2 H2O
CuSO4 + Sr(OH)2 = Cu(OH)2 + SrSO4 =>
CuSO4 + Sr(OH)2 = Cu(OH)2 + SrSO4
S + H2SO4 = H2S + SO2 =>
2 S + H2SO4 = H2S + 2 SO2
CuI + HNO3 = CuNO3 + I2 + NO + H2O =>
6 CuI + 8 HNO3 = 6 CuNO3 + 3 I2 + 2 NO + 4 H2O
C5H12 + O2 = CO2 + H2 =>
C5H12 + 5 O2 = 5 CO2 + 6 H2
C2H4O2 + O2 = H2O + CO2 =>
C2H4O2 + 2 O2 = 2 H2O + 2 CO2
BaBr2 + Na2SO4 = BaSO4 + Na2Br2 =>
BaBr2 + Na2SO4 = BaSO4 + Na2Br2
LiF + Na = NaF + Li =>
LiF + Na = NaF + Li
H2SO4(aq) + CaCO3(a) = CaSO4 + CO2(g) + H2O(l) =>
H2SO4(aq) + CaCO3(a) = CaSO4 + CO2(g) + H2O(l)
FeS2 + NO3 = NO + SO4 + Fe =>
FeS2 + 4 NO3 = 4 NO + 2 SO4 + Fe
Ca(NO3)2(aq) + NH4Cl(aq) = CaCl2(s) + NH4NO3(aq) =>
Ca(NO3)2(aq) + 2 NH4Cl(aq) = CaCl2(s) + 2 NH4NO3(aq)
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
BiCl3 + KMnO4 + H2SO4 = Cl2 + HBiO3 + MnSO4 + K2SO4 + H2O =>
2 BiCl3 + 2 KMnO4 + 3 H2SO4 = 3 Cl2 + 2 HBiO3 + 2 MnSO4 + K2SO4 + 2 H2O
(CH2)2 + HMnO4 + H2O = (CH2OH)2 + MnO2 =>
3(CH2)2 + 2 HMnO4 + 2 H2O = 3(CH2OH)2 + 2 MnO2
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
NaCH3COO + HCl = NaCl + HCH3COO =>
NaCH3COO + HCl = NaCl + HCH3COO
Al + Cd2SO4 = Al2(SO4)3 + Cd =>
2 Al + 3 Cd2SO4 = Al2(SO4)3 + 6 Cd
CaCl2 + NaCH3COO = CaCl2NaCH3COO =>
CaCl2 + NaCH3COO = CaCl2NaCH3COO
Cl1 + O2 = ClO =>
2 Cl1 + O2 = 2 ClO
C7H14O = C7H12 + H2O =>
C7H14O = C7H12 + H2O
Fe + O2 + NH3 = Fe(OH)3 + N2 =>
2 Fe + 3 O2 + 2 NH3 = 2 Fe(OH)3 + N2
AgI + NH4OH = AgOH + NH4I =>
AgI + NH4OH = AgOH + NH4I
C7H14O + O2 = CO2 + H2O =>
C7H14O + 10 O2 = 7 CO2 + 7 H2O
ClO2 = ClO3 + Cl =>
3 ClO2 = 2 ClO3 + Cl
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