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2 Cu2S + 5 O2 + 2 H2O = 4 CuO + 2 H2SO4
Pb + H3PO4(aq) = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4(aq) = 3 H2 + Pb3(PO4)2
BaCl2 + H3PO4 = Ba3(PO4)2 + HCl =>
3 BaCl2 + 2 H3PO4 = Ba3(PO4)2 + 6 HCl
Cl2 + NaO = NaCl + O2 =>
Cl2 + 2 NaO = 2 NaCl + O2
Au(OH)3 + H2SiO3 = Au(HSiO3)3 + H2O =>
Au(OH)3 + 3 H2SiO3 = Au(HSiO3)3 + 3 H2O
NaCl + Fe2(SO4)3 = Na2SO4 + Fe2Cl6 =>
6 NaCl + Fe2(SO4)3 = 3 Na2SO4 + Fe2Cl6
SrCl2(aq) + H2SO4(aq) = HCl(aq) + SrSO4 =>
SrCl2(aq) + H2SO4(aq) = 2 HCl(aq) + SrSO4
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
Fe(OH)2 + NaNO3 + H2O = Fe(OH)3 + NaNO2 =>
2 Fe(OH)2 + NaNO3 + H2O = 2 Fe(OH)3 + NaNO2
Cu(H2O)6{2+} + OH{-} = Cu(H2O)4(OH)2 + H2O =>
Cu(H2O)6{2+} + 2 OH{-} = Cu(H2O)4(OH)2 + 2 H2O
BaCl2 + Zn(NO3)2 = ZnCl2 + Ba(NO3)2 =>
BaCl2 + Zn(NO3)2 = ZnCl2 + Ba(NO3)2
Sn + Pb(NO3)2 = Pb + Sn(NO3)3 =>
2 Sn + 3 Pb(NO3)2 = 3 Pb + 2 Sn(NO3)3
HC2OH + O2 = CO2 + H2O =>
HC2OH + 2 O2 = 2 CO2 + H2O
HMnO4 + NO = HNO3 + MnO2 =>
HMnO4 + NO = HNO3 + MnO2
NH4F + Br2 = NH4Br + F2 =>
2 NH4F + Br2 = 2 NH4Br + F2
Na2S(aq) + HCl(aq) + HNO3(aq) = NaCl(aq) + S(s) + NO(g) + H2O(l) =>
3 Na2S(aq) + 6 HCl(aq) + 2 HNO3(aq) = 6 NaCl(aq) + 3 S(s) + 2 NO(g) + 4 H2O(l)
K2O + SiO2 = K2SiO3 =>
K2O + SiO2 = K2SiO3
PCl5 + OH{-} = PO4{3-} + Cl{-} + H2O =>
PCl5 + 8 OH{-} = PO4{3-} + 5 Cl{-} + 4 H2O
PbO + NH3 = Pb + N2 + H2O =>
3 PbO + 2 NH3 = 3 Pb + N2 + 3 H2O
FeCl3 + HNO3 = Fe(NO3)3 + NO2 + Cl2 + H2O =>
2 FeCl3 + 12 HNO3 = 2 Fe(NO3)3 + 6 NO2 + 3 Cl2 + 6 H2O
Al2(SO4)3 + Na2CO3 + H2O = CO2 + Na2SO4 + Al(OH)3 =>
Al2(SO4)3 + 3 Na2CO3 + 3 H2O = 3 CO2 + 3 Na2SO4 + 2 Al(OH)3
Mg(NO3)2 + KOH + HCl = MgO2H3 + KNO3 + Cl =>
Mg(NO3)2 + 2 KOH + HCl = MgO2H3 + 2 KNO3 + Cl
C5H10 + H2SO4 = C6 + H2O + S =>
6 C5H10 + 10 H2SO4 = 5 C6 + 40 H2O + 10 S
C2H5OH + C3H7COOH = CH3COOC3H7 + H2O =>
C2H5OH + 2 C3H7COOH = 2 CH3COOC3H7 + H2O
C2H8 + O2 = CO2 + H2O =>
C2H8 + 4 O2 = 2 CO2 + 4 H2O
Mn + Fe2O3 = MnO + Fe =>
3 Mn + Fe2O3 = 3 MnO + 2 Fe
HClO4 + As2S3 + H2O = H3AsO4 + H2SO4 + HCl =>
7 HClO4 + 2 As2S3 + 12 H2O = 4 H3AsO4 + 6 H2SO4 + 7 HCl
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
CaS + H2O = Ca(HS)2 + Ca(OH)2 =>
2 CaS + 2 H2O = Ca(HS)2 + Ca(OH)2
Na2CO3 + H3O = H2CO3 + Na + H2O =>
Na2CO3 + 2 H3O = H2CO3 + 2 Na + 2 H2O
Zn(s) + NaCl(aq) = Na + ZnCl2 =>
Zn(s) + 2 NaCl(aq) = 2 Na + ZnCl2
CaF2 + Li2SO4 = CaSO4 + LiF =>
CaF2 + Li2SO4 = CaSO4 + 2 LiF
SrO + HOH = Sr(OH)2 =>
SrO + HOH = Sr(OH)2
Na2SO4 + NH3*H2O = NaOH + (NH4)2SO4 =>
Na2SO4 + 2 NH3*H2O = 2 NaOH + (NH4)2SO4
C8H5KO4 + NaOH = C8O4KNaH4 + H2O =>
C8H5KO4 + NaOH = C8O4KNaH4 + H2O
P2 + N2 = P3N =>
3 P2 + N2 = 2 P3N
H{+} + ClO2{-} + Fe = Cl2 + Fe{3+} + H2O =>
8 H{+} + 2 ClO2{-} + 2 Fe = Cl2 + 2 Fe{3+} + 4 H2O
NH4VO3 + C2H2O4 = (NH4)2[(VO)2(C2O4)3] + CO2 + H2O =>
2 NH4VO3 + 4 C2H2O4 = (NH4)2[(VO)2(C2O4)3] + 2 CO2 + 4 H2O
Ag + HCl = AgCl + H =>
Ag + HCl = AgCl + H
P2O5 + CO2 = P2(CO3)5 =>
P2O5 + 5 CO2 = P2(CO3)5
C2H5NO2 + N2O + OH{-} = CO32{-} + H2O + N2 =>
2 C2H5NO2 + 127 N2O + 4 OH{-} = 4 CO32{-} + 7 H2O + 128 N2
Cs + O2 = CsO =>
2 Cs + O2 = 2 CsO
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
C2H6O + KMnO4 = C2H4O + H2O + KOH + MnO2 =>
3 C2H6O + 2 KMnO4 = 3 C2H4O + 2 H2O + 2 KOH + 2 MnO2
SO3 + Ca(OH)2 = SO3(OH)2 + Ca =>
SO3 + Ca(OH)2 = SO3(OH)2 + Ca
HBr(aq) + NiS(s) = HS + NiBr =>
HBr(aq) + NiS(s) = HS + NiBr
Mg3Si2O5(OH)4 + CO2 = Mg3Si4O10(OH)2 + MgCO3 + H2O =>
2 Mg3Si2O5(OH)4 + 3 CO2 = Mg3Si4O10(OH)2 + 3 MgCO3 + 3 H2O
Br2O7 + KOH = H2O + KBrO4 =>
Br2O7 + 2 KOH = H2O + 2 KBrO4
CUO + HBr = CUBr2 + H2O =>
CUO + 2 HBr = CUBr2 + H2O
AuCl3 = Au + Cl =>
AuCl3 = Au + 3 Cl
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