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2 Fe + H2SO4 = Fe2SO4 + H2
Al + CuCl = AlCl3 + Cu2 =>
2 Al + 6 CuCl = 2 AlCl3 + 3 Cu2
SO2 + KMnO4 + H2O = MnSO4 + K2SO4 + H2SO4 =>
5 SO2 + 2 KMnO4 + 2 H2O = 2 MnSO4 + K2SO4 + 2 H2SO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
AB2 = A8 + B2 =>
8 AB2 = A8 + 8 B2
CH3COOH + NaOH = C2H3NaO2 + H2O =>
CH3COOH + NaOH = C2H3NaO2 + H2O
SrCO3 + CuO + Rh + O2 = Sr2CuRhO6 + CO2 =>
4 SrCO3 + 2 CuO + 2 Rh + 3 O2 = 2 Sr2CuRhO6 + 4 CO2
H2S + FeSO4 = FeS + H2SO4 =>
H2S + FeSO4 = FeS + H2SO4
PbCl2 + ZnF2 = ZnCl2 + PbF2 =>
PbCl2 + ZnF2 = ZnCl2 + PbF2
S + O2 = SO2 =>
S + O2 = SO2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
Na2SO4 + FePO4 = Na3PO4 + Fe2(SO4)3 =>
3 Na2SO4 + 2 FePO4 = 2 Na3PO4 + Fe2(SO4)3
CH3 + O2 = CH2O + H2O =>
4 CH3 + 3 O2 = 4 CH2O + 2 H2O
H2SO4(aq) = SO3(aq) + H2O(l) =>
H2SO4(aq) = SO3(aq) + H2O(l)
AgCl + Na2S2O3 = Na3(Ag(S2O3)2) + NaCl =>
AgCl + 2 Na2S2O3 = Na3(Ag(S2O3)2) + NaCl
BaCl + KCO32{-} = BaCO32{-} + KCl =>
BaCl + KCO32{-} = BaCO32{-} + KCl
Na2S2O3 + HCl + H2O = H2SO4 + H2S + NaCl =>
Na2S2O3 + 2 HCl + H2O = H2SO4 + H2S + 2 NaCl
TlBr3 + NaBr = [TlBr4]Na =>
TlBr3 + NaBr = [TlBr4]Na
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
BaCO3 + BaCl2 = Ba2Cl + CO3 =>
3 BaCO3 + BaCl2 = 2 Ba2Cl + 3 CO3
CaC2 + H2O(l) = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O(l) = Ca(OH)2 + C2H2
Na(OH) + NiCl2 = Ni(OH)2 + NaCl =>
2 Na(OH) + NiCl2 = Ni(OH)2 + 2 NaCl
Ni(NO3)2 + NaCl = NiCl2 + NaNO3 =>
Ni(NO3)2 + 2 NaCl = NiCl2 + 2 NaNO3
CrCl3(aq) + AgNO3(aq) = Cr(NO3)3(aq) + AgCl(s) =>
CrCl3(aq) + 3 AgNO3(aq) = Cr(NO3)3(aq) + 3 AgCl(s)
C19H24N3O + H2SO4 + K2Cr2O7 = Cr + H2O + CO2 + NO2 + K2SO4 =>
6 C19H24N3O + 55 H2SO4 + 55 K2Cr2O7 = 110 Cr + 127 H2O + 114 CO2 + 18 NO2 + 55 K2SO4
HSO4 + Fe = Fe2(SO4)3 + H2 =>
6 HSO4 + 4 Fe = 2 Fe2(SO4)3 + 3 H2
Cu + NO2 = Cu(NO2)2 =>
Cu + 2 NO2 = Cu(NO2)2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CH3COOH(aq) + Na2CO3(aq) = CH3COONa(aq) + CO2 + H2O(l) =>
2 CH3COOH(aq) + Na2CO3(aq) = 2 CH3COONa(aq) + CO2 + H2O(l)
C6H14 + O = C + H2O =>
C6H14 + 7 O = 6 C + 7 H2O
C2H2 + O2 = CHO =>
C2H2 + O2 = 2 CHO
CrO3 + HCl = CrCl2 + H2O + Cl2 =>
CrO3 + 6 HCl = CrCl2 + 3 H2O + 2 Cl2
NaI + HNO3 = I2 + NO2 + NaNO3 + H2O =>
2 NaI + 4 HNO3 = I2 + 2 NO2 + 2 NaNO3 + 2 H2O
Al + KClO4 = Al2O3 + KCl =>
8 Al + 3 KClO4 = 4 Al2O3 + 3 KCl
Cu(OH)2 + HNo3 = Cu(No3)2 + HOH =>
Cu(OH)2 + 2 HNo3 = Cu(No3)2 + 2 HOH
KMnO4 + H2SO4 + HCl = Mn(SO4)2 + K2SO4 + Cl2 + H2O =>
2 KMnO4 + 5 H2SO4 + 6 HCl = 2 Mn(SO4)2 + K2SO4 + 3 Cl2 + 8 H2O
X + F2O = X(OF)2 + F2 =>
X + 2 F2O = X(OF)2 + F2
I3{-} + HSO3{-} + H2O = I{-} + H{+} + SO4{2-} =>
I3{-} + HSO3{-} + H2O = 3 I{-} + 3 H{+} + SO4{2-}
Mg + CaO = MgO + Ca =>
Mg + CaO = MgO + Ca
HNO3 + Na(OH) = Na(NO3) + H2O =>
HNO3 + Na(OH) = Na(NO3) + H2O
HBr(aq) + NH3(aq) = H4 + NBr =>
HBr(aq) + NH3(aq) = H4 + NBr
Na2 + H3PO4 = Na2PO4 + H3 =>
Na2 + H3PO4 = Na2PO4 + H3
CH3NH3Br = CH3NH2 + HBr =>
CH3NH3Br = CH3NH2 + HBr
Al2(SO4)3 + BaCl2 = Al(Cl)3 + BaSO4 =>
Al2(SO4)3 + 3 BaCl2 = 2 Al(Cl)3 + 3 BaSO4
C10H11N3O3S + O2 = CO2 + H2O + NO2 + SO4 =>
4 C10H11N3O3S + 65 O2 = 40 CO2 + 22 H2O + 12 NO2 + 4 SO4
CH4 = H2 + C2 =>
2 CH4 = 4 H2 + C2
NiSO4 + K3Fe(CN)6 = K2SO4 + Ni3(Fe(CN)6)2 =>
3 NiSO4 + 2 K3Fe(CN)6 = 3 K2SO4 + Ni3(Fe(CN)6)2
Al2(CO3)3 + Ba(OH)2 = Al(OH)3 + BaCO3 =>
Al2(CO3)3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 BaCO3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
K4[Fe(CN)6] + KSCN = K5[Fe(CN)6] + SCN =>
K4[Fe(CN)6] + KSCN = K5[Fe(CN)6] + SCN
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