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2 FeCl3 + 3 K2S + 2 H2O = 2 FeOHS + H2S + 6 KCl
Cu2O + H2SO4 = H2O + CuSO4 + Cu =>
Cu2O + H2SO4 = H2O + CuSO4 + Cu
H2O2 + Cr3{+} + OH{-} = CrO4{-}2 + H2O =>
10 H2O2 + Cr3{+} + 4 OH{-} = 3 CrO4{-}2 + 12 H2O
Mg + HCl = Mg2Cl2 + H =>
2 Mg + 2 HCl = Mg2Cl2 + 2 H
Mg(s) + PbCl4(aq) = Pb(s) + MgCl2(aq) =>
2 Mg(s) + PbCl4(aq) = Pb(s) + 2 MgCl2(aq)
FeCr2O7 + Na2CO3 + O2 = Na2CrO4 + Fe2O3 + CO2 =>
4 FeCr2O7 + 8 Na2CO3 + O2 = 8 Na2CrO4 + 2 Fe2O3 + 8 CO2
Na + AlCl3 = NaCl + Al =>
3 Na + AlCl3 = 3 NaCl + Al
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CaCO3 + NaOH = Ca(OH)2 + Na2CO3 =>
CaCO3 + 2 NaOH = Ca(OH)2 + Na2CO3
CH3OH + CH3OOH = CH3COOCH3 + H2O =>
CH3OH + 2 CH3OOH = CH3COOCH3 + 3 H2O
CoCl2 + NH3 + H2O2 = [Co(NH2)5(H2O)]Cl2 + H2O =>
2 CoCl2 + 10 NH3 + 5 H2O2 = 2[Co(NH2)5(H2O)]Cl2 + 8 H2O
AlCl3 + KOH = K[Al(OH)4] + KCl =>
AlCl3 + 4 KOH = K[Al(OH)4] + 3 KCl
Fe(s) + O2(g) = Fe2O4 =>
2 Fe(s) + 2 O2(g) = Fe2O4
MnO4{-} + N2H4 + H3O{+} = Mn2{+} + N2 + H2O =>
8 MnO4{-} + 13 N2H4 + 12 H3O{+} = 4 Mn2{+} + 13 N2 + 44 H2O
C25H52(s) + O2(g) = CO2(g) + H2O(g) =>
C25H52(s) + 38 O2(g) = 25 CO2(g) + 26 H2O(g)
HBrNaOH = NaBrH2O =>
HBrNaOH = NaBrH2O
CON2H4(aq) = C3N6H6(l) + CO2(g) + NH3(g) =>
6 CON2H4(aq) = C3N6H6(l) + 3 CO2(g) + 6 NH3(g)
Zn(NO3)2(s) + KCl(s) = ZnCl2(s) + KNO3(s) =>
Zn(NO3)2(s) + 2 KCl(s) = ZnCl2(s) + 2 KNO3(s)
C25H52(s) + O2(g) = CO2(g) + H2O(l) =>
C25H52(s) + 38 O2(g) = 25 CO2(g) + 26 H2O(l)
KMnO4 + HNO2 + HH3SO4 = K2SO4 + MnSO4 + HNO3 + H2O =>
2 KMnO4 + 2 HNO2 + 3 HH3SO4 = K2SO4 + 2 MnSO4 + 2 HNO3 + 6 H2O
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Pb(NO3)2(aq) + K3PO4(aq) = KNO3(aq) + Pb3(PO4)2(s) =>
3 Pb(NO3)2(aq) + 2 K3PO4(aq) = 6 KNO3(aq) + Pb3(PO4)2(s)
HCN + OH{-} = CN{-} + H2O =>
HCN + OH{-} = CN{-} + H2O
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
MgCl2 + AgNo3 = AgCl + Mg(No3)2 =>
MgCl2 + 2 AgNo3 = 2 AgCl + Mg(No3)2
Ne + O2 = Ne2O3 =>
4 Ne + 3 O2 = 2 Ne2O3
NaHCO3 + H3C6H5O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + H3C6H5O7 = 3 CO2 + 3 H2O + Na3C6H5O7
Mn{2+} = Mn{4+} + {-} =>
Mn{2+} = Mn{4+} + 2e
C6H5CH3 + H2SO4 = C7H8O3S + H2O =>
C6H5CH3 + H2SO4 = C7H8O3S + H2O
Na2S + ZnCl2 = NaCl + ZnS =>
Na2S + ZnCl2 = 2 NaCl + ZnS
Zn + H2O = ZnO + H2 =>
Zn + H2O = ZnO + H2
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
Cu + S = Cu2S =>
2 Cu + S = Cu2S
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
AgCO3 + HCl(l) = AgCl2 + CO2 + H2O(l) =>
AgCO3 + 2 HCl(l) = AgCl2 + CO2 + H2O(l)
Na = Na* =>
Na = Na*
Mg2 + CO2 = C + MgO =>
Mg2 + CO2 = C + 2 MgO
(NH4)2S(aq) + Co(NO3)2(aq) = NH4(NO3)(aq) + SCo(s) =>
(NH4)2S(aq) + Co(NO3)2(aq) = 2 NH4(NO3)(aq) + SCo(s)
Mg(NO3)2 + Li2S = MgS + Li(NO3) =>
Mg(NO3)2 + Li2S = MgS + 2 Li(NO3)
AlCO3 + HCl = AlCl2 + CO2 + H2O =>
AlCO3 + 2 HCl = AlCl2 + CO2 + H2O
H3PO4 + NaCl = Na2HPO4 + HCl =>
H3PO4 + 2 NaCl = Na2HPO4 + 2 HCl
Ag2S + Al + NaOH + H2O2 = Ag + H2S + NaAlO2 =>
2 Ag2S + 2 Al + 2 NaOH + H2O2 = 4 Ag + 2 H2S + 2 NaAlO2
Ag + O3 = Ag2O3 =>
2 Ag + O3 = Ag2O3
I2S + H2CO3 = H2S + I2CO3 =>
I2S + H2CO3 = H2S + I2CO3
C3H5(ONO2)3 = CO2 + H2O + N2 + O2 =>
4 C3H5(ONO2)3 = 12 CO2 + 10 H2O + 6 N2 + O2
FeOCr2O3 + O2 + K2CO3 = FeO3 + K2CrO4 + CO2 =>
2 FeOCr2O3 + 5 O2 + 4 K2CO3 = 2 FeO3 + 4 K2CrO4 + 4 CO2
KOH + ZnO = K2ZnO2 + H2O =>
2 KOH + ZnO = K2ZnO2 + H2O
Mg + Zn(aq) = MgZn =>
Mg + Zn(aq) = MgZn
K2O + CaCl2 = CaO + KCl =>
K2O + CaCl2 = CaO + 2 KCl
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