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2 S + 3 O2 = 2 SO3
Fe2O3 + H21 = Fe + H2O =>
7 Fe2O3 + 2 H21 = 14 Fe + 21 H2O
C2H5OH + Na = C2H5 + NaO + H =>
C2H5OH + Na = C2H5 + NaO + H
NaOH(aq) + CuSO4(aq) = CuOH(s) + NaSO4(s) =>
NaOH(aq) + CuSO4(aq) = CuOH(s) + NaSO4(s)
CO2 + KOH = K2CO3 + H2O =>
CO2 + 2 KOH = K2CO3 + H2O
KSCN + H2SO4 + K2Cr2O7 = KOCN + Cr2(SO4)3 + K2SO4 + H2O =>
3 KSCN + 13 H2SO4 + 4 K2Cr2O7 = 3 KOCN + 4 Cr2(SO4)3 + 4 K2SO4 + 13 H2O
CuSO4(l) + KI2(l) = CuI(l) + I(l) + K2SO4(l) =>
CuSO4(l) + 2 KI2(l) = CuI(l) + 3 I(l) + K2SO4(l)
Fe2O3 + CO1 = Fe2 + CO2 =>
Fe2O3 + 3 CO1 = Fe2 + 3 CO2
Cr(OH)3 + HCl + H2O = [Cr(H2O)6]Cl3 =>
Cr(OH)3 + 3 HCl + 3 H2O = [Cr(H2O)6]Cl3
HOH = H + O =>
HOH = 2 H + O
MnO4{-} + Fe{2+} + H{+} = Mn{2+} + Fe{3+} + H2O =>
MnO4{-} + 5 Fe{2+} + 8 H{+} = Mn{2+} + 5 Fe{3+} + 4 H2O
Na2S + HCl = NaCl + H2S* =>
Na2S + 2 HCl = 2 NaCl + H2S*
ZnO + SO3 = ZnSO4 =>
ZnO + SO3 = ZnSO4
CH3COO{-} + H2 + H{+} = CH3CH2OH + H2O =>
CH3COO{-} + 2 H2 + H{+} = CH3CH2OH + H2O
Co{+3} + Mg = Mg{+2} + Co{+2} =>
2 Co{+3} + Mg = Mg{+2} + 2 Co{+2}
(NH4)2PtCl4(S) + NH3(aq) = NH4Cl(aq) + Pt(NH3)2Cl2(S) =>
(NH4)2PtCl4(S) + 2 NH3(aq) = 2 NH4Cl(aq) + Pt(NH3)2Cl2(S)
Cu + HOH = CuHO2 + H2 =>
2 Cu + 4 HOH = 2 CuHO2 + 3 H2
Fe(NO3)3 + NH3 + H2O = Fe(OH)3 + NH4(NO3) =>
Fe(NO3)3 + 3 NH3 + 3 H2O = Fe(OH)3 + 3 NH4(NO3)
C6H12O6 = C5H6O + CO2 + H2O =>
C6H12O6 = C5H6O + CO2 + 3 H2O
MnSO4 + KNO3 + NaOH = Na2MnO4 + KNO2 + SO2 + H2O =>
MnSO4 + KNO3 + 2 NaOH = Na2MnO4 + KNO2 + SO2 + H2O
CuO + NH3 + H2O = Cu(NH3)4{2+} + OH{-} =>
CuO + 4 NH3 + H2O = Cu(NH3)4{2+} + 2 OH{-}
K4[Fe(SCN)6] + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + CO2 + H2O + K2SO4 + HNO3 =>
6 K4[Fe(SCN)6] + 97 K2Cr2O7 + 373 H2SO4 = 3 Fe2(SO4)3 + 97 Cr2(SO4)3 + 36 CO2 + 355 H2O + 109 K2SO4 + 36 HNO3
C2H3F(g) + O2(g) = CO2(g) + H2O(g) + F2(g) =>
4 C2H3F(g) + 11 O2(g) = 8 CO2(g) + 6 H2O(g) + 2 F2(g)
NH4Br + F2 = NH4F + Br =>
2 NH4Br + F2 = 2 NH4F + 2 Br
V(OH)3 + HNO3 = V(NO3)3 + H2O =>
V(OH)3 + 3 HNO3 = V(NO3)3 + 3 H2O
C3H7OH(i) + O2 = CO2(g) + H2O(g) =>
2 C3H7OH(i) + 9 O2 = 6 CO2(g) + 8 H2O(g)
C4H10O + K2Cr2O7 + H2SO4 = C4H8O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C4H10O + 2 K2Cr2O7 + 8 H2SO4 = 3 C4H8O2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
H2SO4 + HNO3 = HSO4{-} + H2NO3{+} =>
H2SO4 + HNO3 = HSO4{-} + H2NO3{+}
AgI(aq) + SnBr2(aq) = SnI2(aq) + AgBr(s) =>
2 AgI(aq) + SnBr2(aq) = SnI2(aq) + 2 AgBr(s)
C9H10Cl2N2O + OH = CO2 + H2O + N2 + Cl =>
C9H10Cl2N2O + 44 OH = 9 CO2 + 27 H2O + N2 + 2 Cl
Ca(ClO)2 + Mn(OH)2 = CaCl2 + MnO4 + H2O =>
3 Ca(ClO)2 + 2 Mn(OH)2 = 3 CaCl2 + 2 MnO4 + 2 H2O
BiCl2 + H2S = Bi2S2 + HCl =>
2 BiCl2 + 2 H2S = Bi2S2 + 4 HCl
Pb + H2O2 = PbO2 + H2O =>
Pb + 2 H2O2 = PbO2 + 2 H2O
H3AsO3 + ZnS + HCl = AsH3 + ZnCl2 + H2O + S =>
H3AsO3 + 3 ZnS + 6 HCl = AsH3 + 3 ZnCl2 + 3 H2O + 3 S
Al + TiCl2 = Ti + AlCl3 =>
2 Al + 3 TiCl2 = 3 Ti + 2 AlCl3
Na(OH) + C2H4O2 = NaC2H3O2 + H2O =>
Na(OH) + C2H4O2 = NaC2H3O2 + H2O
KOH + SO2 = K2SO3 + H2O =>
2 KOH + SO2 = K2SO3 + H2O
Mn(NO3)2 + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 Mn(NO3)2 + 5 PbO2 + 6 HNO3 = 2 HMnO4 + 5 Pb(NO3)2 + 2 H2O
MgCO3 + SiO2 = MgSiO3 + CO2 =>
MgCO3 + SiO2 = MgSiO3 + CO2
KI + NaNo3 = KNo3 + NaI =>
KI + NaNo3 = KNo3 + NaI
K2CrO7 + HCl = KCl + CrCl2 + Cl2 + H2O =>
K2CrO7 + 14 HCl = 2 KCl + CrCl2 + 5 Cl2 + 7 H2O
CuBr2 + FeOH3 = FeBr2 + CuOH3 =>
CuBr2 + FeOH3 = FeBr2 + CuOH3
H2CO3 + Sr(OH)2 = HCO3 + Sr(OH3)2 =>
4 H2CO3 + Sr(OH)2 = 4 HCO3 + Sr(OH3)2
Mg + NaNO3 = Mg(NO3)2 + Na =>
Mg + 2 NaNO3 = Mg(NO3)2 + 2 Na
FeCl3 + NaOH = Fe(OH)3 + Cl3Na3 =>
FeCl3 + 3 NaOH = Fe(OH)3 + Cl3Na3
FeO2 + H2O = Fe + H2O2 =>
FeO2 + 2 H2O = Fe + 2 H2O2
NaCl + Hg = HgCl + Na =>
NaCl + Hg = HgCl + Na
C17H19NO3 + H2O = C17H21 + NO4 =>
C17H19NO3 + H2O = C17H21 + NO4
H2SO4 + NaNO2 + FeCl2 = FeCl3 + Fe2(SO4)3 + Na2SO4 + NO + H2O =>
6 H2SO4 + 6 NaNO2 + 6 FeCl2 = 4 FeCl3 + Fe2(SO4)3 + 3 Na2SO4 + 6 NO + 6 H2O
Cu + H2SO4 = CuSO3 + H2O =>
Cu + H2SO4 = CuSO3 + H2O
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