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Na2SO4 + 2 HC1 = 2 NaC1 + H2SO4
C4H6O3 + C3H8O = C5H10O2 + H2O =>
C4H6O3 + 2 C3H8O = 2 C5H10O2 + H2O
SiO2 + F2 = SiF4 + O2 =>
SiO2 + 2 F2 = SiF4 + O2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Au + NaCN + O2 + H2O = NaAu(CN)2 + NaOH =>
4 Au + 8 NaCN + O2 + 2 H2O = 4 NaAu(CN)2 + 4 NaOH
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Cu + Au(No3)3 = CuNo3 + Au =>
3 Cu + Au(No3)3 = 3 CuNo3 + Au
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Br{-} = Br2 + {-} =>
2 Br{-} = Br2 + 2e
CaCO3 + NH3 = CaCN2 + H2O =>
CaCO3 + 2 NH3 = CaCN2 + 3 H2O
Hg2CO3 = Hg + HgO + CO2 =>
Hg2CO3 = Hg + HgO + CO2
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
SrCO3 + Sm2O3 + CoO + ReO2 + ReO3 = SrSmCoReO6 + CO2 =>
2 SrCO3 + Sm2O3 + 2 CoO + ReO2 + ReO3 = 2 SrSmCoReO6 + 2 CO2
Al2(SO4)3 + CO3 = AlCO3 + SO4 =>
Al2(SO4)3 + 2 CO3 = 2 AlCO3 + 3 SO4
B + Na2O2 = NaBO2 + Na2O =>
2 B + 3 Na2O2 = 2 NaBO2 + 2 Na2O
Sn + HNO3 + H2O = H2SnO3 + NO(g) =>
3 Sn + 4 HNO3 + H2O = 3 H2SnO3 + 4 NO(g)
NH4Br + KOH = NH4OH + KBr =>
NH4Br + KOH = NH4OH + KBr
NaClO3 + N2H4 = NO + NaCl + H2O =>
4 NaClO3 + 3 N2H4 = 6 NO + 4 NaCl + 6 H2O
Fe(OH)2 + KClO3 + H2SO4 = Fe2(SO4)3 + KClO + H2O =>
4 Fe(OH)2 + KClO3 + 6 H2SO4 = 2 Fe2(SO4)3 + KClO + 10 H2O
SBi2O3 + O2 = Bi2O3 + SO2 =>
SBi2O3 + O2 = Bi2O3 + SO2
Na2O + SiO2 = Na2SiO3 =>
Na2O + SiO2 = Na2SiO3
ZnCl2 + GaCl3 + GeCl4 + NaOH = Zn3Ga2Ge2O10 + NaCl + HCl =>
3 ZnCl2 + 2 GaCl3 + 2 GeCl4 + 10 NaOH = Zn3Ga2Ge2O10 + 10 NaCl + 10 HCl
Fe2(SO4)3 + KOH = Fe(OH)3 + K2SO4 =>
Fe2(SO4)3 + 6 KOH = 2 Fe(OH)3 + 3 K2SO4
K2CrO4 + K2SO3 + KOH + H2O = K2SO4 + K3[Cr(OH)6] =>
2 K2CrO4 + 3 K2SO3 + 2 KOH + 5 H2O = 3 K2SO4 + 2 K3[Cr(OH)6]
Ni + Fe2(SO4)3 = Fe + NiSO4 =>
3 Ni + Fe2(SO4)3 = 2 Fe + 3 NiSO4
CH3CH(NH2)COOH + NaOH = CH3CH(NH2)COONa + H2O =>
CH3CH(NH2)COOH + NaOH = CH3CH(NH2)COONa + H2O
MgSO4 + NH4NO3 = Mg(NO3)2 + (NH4)2SO4 =>
MgSO4 + 2 NH4NO3 = Mg(NO3)2 + (NH4)2SO4
Cl2(s) + H2O(l) = HCl(aq) + O2(g) =>
2 Cl2(s) + 2 H2O(l) = 4 HCl(aq) + O2(g)
Mg(OH)2 + H4P2O7 = (MgOH)4P2O7 + H2O =>
4 Mg(OH)2 + H4P2O7 = (MgOH)4P2O7 + 4 H2O
Cu + *HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8*HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C7H6O + C2H6O = C17H14O + H2O =>
11 C7H6O + 4 C2H6O = 5 C17H14O + 10 H2O
Pb(CH3COO)2(aq) + KBr(aq) = PbBr2(s) + KCH3COO(aq) =>
Pb(CH3COO)2(aq) + 2 KBr(aq) = PbBr2(s) + 2 KCH3COO(aq)
H2SO4 + Ag = Ag2SO4 + SO2 + H2O =>
2 H2SO4 + 2 Ag = Ag2SO4 + SO2 + 2 H2O
KAlSi3O8 + H2SO4 = KAlSO4 + Si3O8 + H2 =>
KAlSi3O8 + H2SO4 = KAlSO4 + Si3O8 + H2
Na2O3Se + OH = HSe + NaO2 =>
Na2O3Se + OH = HSe + 2 NaO2
ZnSO4 + Al = AlSO4 + Zn =>
ZnSO4 + Al = AlSO4 + Zn
Cu2O + H2SO4 = CuSO4 + SO2 + H2O =>
Cu2O + 3 H2SO4 = 2 CuSO4 + SO2 + 3 H2O
AlO2 + H2O = H2AlO3 =>
AlO2 + H2O = H2AlO3
KIO3 + KI + HCl = ICl + KCl + H2O =>
KIO3 + 2 KI + 6 HCl = 3 ICl + 3 KCl + 3 H2O
NH4Br + KOH = NH4OH + KBr =>
NH4Br + KOH = NH4OH + KBr
Fe + S = FeS =>
Fe + S = FeS
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Ca + (OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca + (OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
MnO2 + FeSO4 = MnSO4 + Fe2O4 =>
2 MnO2 + 2 FeSO4 = 2 MnSO4 + Fe2O4
FeC3 + NH4OH = Fe(OH)3 + NH4C =>
FeC3 + 3 NH4OH = Fe(OH)3 + 3 NH4C
Zn + HCl(ac) = ZnCl2(ac) + H2(g) =>
Zn + 2 HCl(ac) = ZnCl2(ac) + H2(g)
Mg + Cr = MgCr =>
Mg + Cr = MgCr
C7H5O3N + C2H4O + HO{-} = C16H10N2O + CH3COO{-} + H2O =>
2 C7H5O3N + 5 C2H4O + 4 HO{-} = C16H10N2O + 4 CH3COO{-} + 6 H2O
C6H6O2 + OH = CO2 + H2O =>
C6H6O2 + 26 OH = 6 CO2 + 16 H2O
Cu(Cl)2 + NH3 + H2O = [Cu(NH3)4](OH)2 + NH4Cl =>
Cu(Cl)2 + 6 NH3 + 2 H2O = [Cu(NH3)4](OH)2 + 2 NH4Cl
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