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K2Cr2O7 + 3 HI + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 HIO + 4 H2O
CuSO4 + HCl = CuCl2 + H2SO4 =>
CuSO4 + 2 HCl = CuCl2 + H2SO4
FeBr + NH4S = FeS + NH4 + Br =>
FeBr + NH4S = FeS + NH4 + Br
CuS = Cu{2+} + S{2-} =>
CuS = Cu{2+} + S{2-}
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
S + Ca = CaS =>
S + Ca = CaS
CaO(c) + O10P4(c) = Ca3(PO4)2(c) =>
6 CaO(c) + O10P4(c) = 2 Ca3(PO4)2(c)
NaAlSiO4 + SiO2 = NaAlSi3O8 =>
NaAlSiO4 + 2 SiO2 = NaAlSi3O8
NO2 + NaOH = HNO3 + Na =>
NO2 + NaOH = HNO3 + Na
Pb2SO2 + O2 = PbO + S2O2 =>
2 Pb2SO2 + O2 = 4 PbO + S2O2
C6H12O6 = CH3CH2OH + CO2 =>
C6H12O6 = 2 CH3CH2OH + 2 CO2
Mg(HCO3)2 + Ca(OH)2 = Mg(OH)2 + Ca(HCO3)2 =>
Mg(HCO3)2 + Ca(OH)2 = Mg(OH)2 + Ca(HCO3)2
Ga + H2SO4 = Ga(SO4)3 + H2 =>
Ga + 3 H2SO4 = Ga(SO4)3 + 3 H2
V(OH)4 + HClO = V(ClO)4 + H2O =>
V(OH)4 + 4 HClO = V(ClO)4 + 4 H2O
Na2O + H2SO4 = Na2SO4 + H2O = MgCl2 + H2 =>
Na2O + H2SO4 = Na2SO4 + H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Fe2(SO4)3 + H2O = Fe(OH)3 + H2SO4 =>
Fe2(SO4)3 + 6 H2O = 2 Fe(OH)3 + 3 H2SO4
CSi = SiC =>
CSi = SiC
C11H15NO2 + O2 = CO2 + H2O + N2 =>
4 C11H15NO2 + 55 O2 = 44 CO2 + 30 H2O + 2 N2
RbClO23 = RbCl + O2 =>
2 RbClO23 = 2 RbCl + 23 O2
NH3 + CO2 = (NH2)2CO + H2O =>
2 NH3 + CO2 = (NH2)2CO + H2O
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
CaO + P2O5 = Ca3(PO4)2 =>
3 CaO + P2O5 = Ca3(PO4)2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Na2S2O3 + SeO2 + H2O = Se + Na2S4O6 + NaOH =>
4 Na2S2O3 + SeO2 + 2 H2O = Se + 2 Na2S4O6 + 4 NaOH
C6N6FeK4 + KMnO4 + HCl = KCl + FeCl3 + MnCl2 + CO2 + NO + H2O =>
5 C6N6FeK4 + 43 KMnO4 + 164 HCl = 63 KCl + 5 FeCl3 + 43 MnCl2 + 30 CO2 + 30 NO + 82 H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
BaCO3H2O = BaO + CO2 + H2O =>
BaCO3H2O = BaO + CO2 + H2O
MgCl2NH3 = Mg(NH3)Cl2 =>
MgCl2NH3 = Mg(NH3)Cl2
HI({-}1) = H + I({-}1) =>
HI({-}1) = H + I({-}1)
Na2CO3 + Mg(NO3)2 = Na2(NO3)2 + MgCO3 =>
Na2CO3 + Mg(NO3)2 = Na2(NO3)2 + MgCO3
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
MgCl2(aq) + H2SO4(aq) = HCl + MgSO4 =>
MgCl2(aq) + H2SO4(aq) = 2 HCl + MgSO4
C6H5CH2CH3 + KMnO4 + KOH = K2MnO4 + C6H5COOK + H2O =>
7 C6H5CH2CH3 + 54 KMnO4 + 62 KOH = 54 K2MnO4 + 8 C6H5COOK + 46 H2O
KNO2 + KI + HCl = KCl + NO + H2O + I =>
KNO2 + KI + 2 HCl = 2 KCl + NO + H2O + I
AgNO3 + H2SO4 = Ag2SO4 + NO3 + H2 =>
2 AgNO3 + H2SO4 = Ag2SO4 + 2 NO3 + H2
CsI + InI + CsI3 = Cs5In3I12 =>
3 CsI + 3 InI + 2 CsI3 = Cs5In3I12
Zn + HBr = ZnHBr2 + H2 =>
2 Zn + 4 HBr = 2 ZnHBr2 + H2
HNO + CsOH = CsNO + H2O =>
HNO + CsOH = CsNO + H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Ca(OH)2 + (NH4)2SO4 = CaSO4 + NH3 + H2O =>
Ca(OH)2 + (NH4)2SO4 = CaSO4 + 2 NH3 + 2 H2O
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
MnO4{-} + Cl{-} + H{+} = Mn{+2} + H2O + Cl2 =>
2 MnO4{-} + 10 Cl{-} + 16 H{+} = 2 Mn{+2} + 8 H2O + 5 Cl2
Mg2 + FeSO4 = Fe + MgSO4 =>
Mg2 + 2 FeSO4 = 2 Fe + 2 MgSO4
BaSO3 + HNO3 = SO2 + H2O + Ba(NO3)2 =>
BaSO3 + 2 HNO3 = SO2 + H2O + Ba(NO3)2
CaCl2 + NaHCO3 = Ca(HCO3)2 + NaCl =>
CaCl2 + 2 NaHCO3 = Ca(HCO3)2 + 2 NaCl
ZnCl2 + NiBr3 = NiCl3 + ZnBr2 =>
3 ZnCl2 + 2 NiBr3 = 2 NiCl3 + 3 ZnBr2
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