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3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Na2S2O3 + H2SO4 = Na2SO4 + H2S + SO2 =>
4 Na2S2O3 + 3 H2SO4 = 4 Na2SO4 + 3 H2S + 4 SO2
S + HNO3 = H2O + H2SO4 + NO2 =>
S + 6 HNO3 = 2 H2O + H2SO4 + 6 NO2
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
SnCl4 + Ni2S3 = SnS3 + Ni2Cl4 =>
SnCl4 + Ni2S3 = SnS3 + Ni2Cl4
H(NO)3 + NaClO = Na(NO)3 + Cl(NO)3 + H2O =>
2 H(NO)3 + NaClO = Na(NO)3 + Cl(NO)3 + H2O
NO3{-} + e + H3O{+} = N2 + H2O =>
2 NO3{-} + 10e + 12 H3O{+} = N2 + 18 H2O
Mn2O3 + HCl = MnCl2 + HMnO4 + H2O =>
5 Mn2O3 + 16 HCl = 8 MnCl2 + 2 HMnO4 + 7 H2O
H2 + N + O2 = HNO2 =>
H2 + 2 N + 2 O2 = 2 HNO2
SnCl2 + FeSO4 = SnSO4 + FeCl2 =>
SnCl2 + FeSO4 = SnSO4 + FeCl2
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
LiBr + CoSO4 = CoBr + LiSO4 =>
LiBr + CoSO4 = CoBr + LiSO4
U3O8 = UO3 + UO2 =>
U3O8 = 2 UO3 + UO2
H2S + PBCl2 = PBS + HCl =>
H2S + PBCl2 = PBS + 2 HCl
H2SO4 + C2H3NaO2 = C2H4O2 + Na2SO4 =>
H2SO4 + 2 C2H3NaO2 = 2 C2H4O2 + Na2SO4
Al(s) + FeCl2(aw) = Fe(s) + AlCl3(aq) =>
2 Al(s) + 3 FeCl2(aw) = 3 Fe(s) + 2 AlCl3(aq)
Fe{2+} + NO3{-} + H{+} = Fe{3+} + NO2 + H2O =>
Fe{2+} + NO3{-} + 2 H{+} = Fe{3+} + NO2 + H2O
Al + V2O5 = AlO3 + V =>
5 Al + 3 V2O5 = 5 AlO3 + 6 V
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
CuFeS2 + O2 + H2O = CuSO4 + Fe3SO4 + H2SO4 =>
3 CuFeS2 + 11 O2 + 2 H2O = 3 CuSO4 + Fe3SO4 + 2 H2SO4
CuSO4 + KI = CuI + I2 + K2SO4 =>
2 CuSO4 + 4 KI = 2 CuI + I2 + 2 K2SO4
(CH3)2NH + HBr = [(CH3)2NH2]Br =>
(CH3)2NH + HBr = [(CH3)2NH2]Br
UO2SO4 + Bi + H2SO4 = Bi2(SO4)3 + U(SO4)2 + H2O =>
3 UO2SO4 + 2 Bi + 6 H2SO4 = Bi2(SO4)3 + 3 U(SO4)2 + 6 H2O
Fe{2+} + NO3{-} + H{+} = Fe{3+} + NO2 + H2O =>
Fe{2+} + NO3{-} + 2 H{+} = Fe{3+} + NO2 + H2O
Zn + HCl = ZnCl4{2-} + H{+} + H2 =>
Zn + 4 HCl = ZnCl4{2-} + 2 H{+} + H2
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
BaCl2 + AgNO3 = Ba(NO3)2 + AgCl =>
BaCl2 + 2 AgNO3 = Ba(NO3)2 + 2 AgCl
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
I2 + O2 = I{-}2 + O{+}7 =>
I2 + O2 = 2 I{-}2 + 2 O{+}7
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
Na3(PO4) + Ni(NO3)2 = Ni3(PO4)2 + Na(NO3) =>
2 Na3(PO4) + 3 Ni(NO3)2 = Ni3(PO4)2 + 6 Na(NO3)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C4H9Br + NH3 = HBr + C4H9NH2 =>
C4H9Br + NH3 = HBr + C4H9NH2
ZnO + NaOH = Zn(OH)2 + Na2O =>
ZnO + 2 NaOH = Zn(OH)2 + Na2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
CH3CH2OH + O = CH3COH + H2O =>
CH3CH2OH + O = CH3COH + H2O
AlCl3 = Al + Cl2 =>
2 AlCl3 = 2 Al + 3 Cl2
FeCl3 + NH3 = Fe(NH3)3 + Cl =>
FeCl3 + 3 NH3 = Fe(NH3)3 + 3 Cl
Cu{+} + S{-2} = Cu2S =>
2 Cu{+} + S{-2} = Cu2S
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
C6H5Cl + HNO3 = C6H4NO2Cl + H2O =>
C6H5Cl + HNO3 = C6H4NO2Cl + H2O
H3PO4 + NaCN = HCN + Na3PO4 =>
H3PO4 + 3 NaCN = 3 HCN + Na3PO4
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
C6H4(NH2)(CO2H) + (CH3CO)2O = C9H9NO3 + CH3COOH =>
C6H4(NH2)(CO2H) + (CH3CO)2O = C9H9NO3 + CH3COOH
Fe(s) + HCl = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl = 2 FeCl3(aq) + 3 H2(g)
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
SO3 + NaOH = Na2(SO4) + H2O =>
SO3 + 2 NaOH = Na2(SO4) + H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
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