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56 H2S + 8 Cr2O7 = 56 H2O + 16 Cr + 7 S8
ClO3 + IO3 = ClO4 + I2 =>
6 ClO3 + 2 IO3 = 6 ClO4 + I2
As2O3 + H2O = H3AsO4 + H2 =>
As2O3 + 5 H2O = 2 H3AsO4 + 2 H2
Se + NaOH = H2O + Na2Se + Na2SeO3 =>
3 Se + 6 NaOH = 3 H2O + 2 Na2Se + Na2SeO3
AlCl3 + H2O + Na2S = Al(OH)3 + NaCl + H2S =>
2 AlCl3 + 6 H2O + 3 Na2S = 2 Al(OH)3 + 6 NaCl + 3 H2S
P2O3 + HBr = PBr3 + H2O =>
P2O3 + 6 HBr = 2 PBr3 + 3 H2O
FeOH2H2SO4 = FeH2SO4H2O =>
FeOH2H2SO4 = FeH2SO4H2O
K2CrO4 + HNO3 + NaOH = HNO2 + KOH + CrO4 + NaNO3 =>
K2CrO4 + 2 HNO3 + NaOH = HNO2 + 2 KOH + CrO4 + NaNO3
CuO + HNO3 = Cu(NO3) + HO =>
CuO + HNO3 = Cu(NO3) + HO
Cu(OH) + HBrO = CuBrO + H2O =>
Cu(OH) + HBrO = CuBrO + H2O
Bi2O3 + Cl2 + H2O = HClO + BiOCl =>
Bi2O3 + 2 Cl2 + H2O = 2 HClO + 2 BiOCl
MnS2 + HBr = MnBr + HS2 =>
MnS2 + HBr = MnBr + HS2
Mn + NaOH + H2O2 = Na2MnO4 + H2O =>
Mn + 2 NaOH + 3 H2O2 = Na2MnO4 + 4 H2O
HgS + HCl + HNO3 = HgCl2 + NO + S + H2O =>
3 HgS + 6 HCl + 2 HNO3 = 3 HgCl2 + 2 NO + 3 S + 4 H2O
CH2O + NaOH = CHONa + H2O =>
CH2O + NaOH = CHONa + H2O
Hg + HNO3 = H2O + NO + Hg(NO3)2 =>
3 Hg + 8 HNO3 = 4 H2O + 2 NO + 3 Hg(NO3)2
CrO3 + I{-} + H{+} = Cr3{+} + I2 + H2O =>
6 CrO3 + 34 I{-} + 36 H{+} = 2 Cr3{+} + 17 I2 + 18 H2O
FeCO3 + O2 = Fe2O3 + CO2 =>
4 FeCO3 + O2 = 2 Fe2O3 + 4 CO2
Ni(s) + O2(g) = NiO(s) =>
2 Ni(s) + O2(g) = 2 NiO(s)
(NH4)2Ni(SO4)2*6H2O + NaOH = Na2SO4 + NH3 + Ni(OH)2 + H2O =>
(NH4)2Ni(SO4)2*6H2O + 4 NaOH = 2 Na2SO4 + 2 NH3 + Ni(OH)2 + 8 H2O
FeSO4 + KMnO4 + H2SO4 = Fe(SO4)3 + MnSO4 + K2SO4 + H2O =>
5 FeSO4 + 4 KMnO4 + 16 H2SO4 = 5 Fe(SO4)3 + 4 MnSO4 + 2 K2SO4 + 16 H2O
Mg(s) + HCl(aq) = MgCl(aq) + H2(g) =>
2 Mg(s) + 2 HCl(aq) = 2 MgCl(aq) + H2(g)
Zn + Na2CO3 = ZnCO3 + Na =>
Zn + Na2CO3 = ZnCO3 + 2 Na
FeCl2(aq) + K2S(aq) = FeS(s) + KCl(aq) =>
FeCl2(aq) + K2S(aq) = FeS(s) + 2 KCl(aq)
(CH3)2CHOH + NaNH2 = (CH3)2CHONa + NH3 =>
(CH3)2CHOH + NaNH2 = (CH3)2CHONa + NH3
H2Se + AgCl = Ag2Se + HCl =>
H2Se + 2 AgCl = Ag2Se + 2 HCl
PbCH3COO + K2CrO4 = Pb2CrO4 + KCH3COO =>
2 PbCH3COO + K2CrO4 = Pb2CrO4 + 2 KCH3COO
Zn + Cu(SO4) = ZnSO4 + Cu =>
Zn + Cu(SO4) = ZnSO4 + Cu
Ca{2+} + F{-} = CaF2 =>
Ca{2+} + 2 F{-} = CaF2
PCl5(l) + H2O(l) = H3PO4(aq) + HCl =>
PCl5(l) + 4 H2O(l) = H3PO4(aq) + 5 HCl
Ti + Cl2 = TiCl4 =>
Ti + 2 Cl2 = TiCl4
C8H14(l) + O2(g) = CO2(g) + H2O(l) =>
2 C8H14(l) + 23 O2(g) = 16 CO2(g) + 14 H2O(l)
NaOH(aq) + CuCl2 = NaCl(aq) + Cu(OH)2 =>
2 NaOH(aq) + CuCl2 = 2 NaCl(aq) + Cu(OH)2
Cr(OH)3 + HCl = H2O + CrCl3 =>
Cr(OH)3 + 3 HCl = 3 H2O + CrCl3
Phosphoruspentoxide = phosphorus + oxygen =>
P4O10 = 4 P + 5 O2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
MoO3 + KOH = K2MoO4 + H2O =>
MoO3 + 2 KOH = K2MoO4 + H2O
NaBr + H2SO4 + MgO2 = Br2 + MgSO4 + H2O + Na2SO4 =>
2 NaBr + 2 H2SO4 + MgO2 = Br2 + MgSO4 + 2 H2O + Na2SO4
MgO(s) + H2O = Mg(OH)2 =>
MgO(s) + H2O = Mg(OH)2
Mg(s) + HCl(aq) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(aq) + H2(g)
NH3 + ZnI2 = Zn(NH3)2 + I2 =>
2 NH3 + ZnI2 = Zn(NH3)2 + I2
CH3COOMgCl + H2O = CH3COOH + Mg(OH)Cl =>
CH3COOMgCl + H2O = CH3COOH + Mg(OH)Cl
CaCl2 + NH3 = CaNH3 + Cl =>
CaCl2 + NH3 = CaNH3 + 2 Cl
Co(NO3)2 + AlCl3 + H2O = CoAl2O4 + NO2 + HCl + O2 =>
2 Co(NO3)2 + 4 AlCl3 + 6 H2O = 2 CoAl2O4 + 4 NO2 + 12 HCl + O2
Cu(NO3)3 = CuO2 + NO2 + O2 =>
2 Cu(NO3)3 = 2 CuO2 + 6 NO2 + O2
Fe3(SO4)3 + Ba(OH)2 = BaSO4 + Fe(OH)2 =>
Fe3(SO4)3 + 3 Ba(OH)2 = 3 BaSO4 + 3 Fe(OH)2
CuCl2 + Na2O = CuO + NaCl =>
CuCl2 + Na2O = CuO + 2 NaCl
P + Br2 + H2O = HBr + H3PO3 =>
2 P + 3 Br2 + 6 H2O = 6 HBr + 2 H3PO3
KNO3 + NaOH + Al + H2O = NH3 + NaAl(OH)4 + KAl(OH)4 =>
3 KNO3 + 5 NaOH + 8 Al + 18 H2O = 3 NH3 + 5 NaAl(OH)4 + 3 KAl(OH)4
MnSO4 + H5IO6 = HMnO4 + H2SO4 + I2 + H2O =>
14 MnSO4 + 10 H5IO6 = 14 HMnO4 + 14 H2SO4 + 5 I2 + 4 H2O
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