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2 HI + Fe = FeI2 + 2 H
C2 + H2 = C2H4 =>
C2 + 2 H2 = C2H4
FeS + O2 = Fe2O + SO2 =>
4 FeS + 5 O2 = 2 Fe2O + 4 SO2
Al2(SO4)3 + CuCl2 = Cu2(SO4)2 + AlCl3 =>
2 Al2(SO4)3 + 6 CuCl2 = 3 Cu2(SO4)2 + 4 AlCl3
Pb(NO3)2 + NaC2H3O2 = Na(NO3)2 + PbC2H3O2 =>
Pb(NO3)2 + NaC2H3O2 = Na(NO3)2 + PbC2H3O2
Pb + Ag{+} = PbAg{+} =>
Pb + Ag{+} = PbAg{+}
Mn{2+} + (NH4)2S = MnS + NH4{+} =>
Mn{2+} + (NH4)2S = MnS + 2 NH4{+}
C12H22O11(aq) + O2(g) = CO2(g) + H2O(l) =>
C12H22O11(aq) + 12 O2(g) = 12 CO2(g) + 11 H2O(l)
AgNO3 + NaBH4 = AgBH2 + H2 + NaNO3 =>
AgNO3 + NaBH4 = AgBH2 + H2 + NaNO3
NO2(g) + H2O(l) = HNO3(aq) + NO(g) =>
3 NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g)
C12H17O2Cl3 + O2 = H2O + CO2 + HCl =>
2 C12H17O2Cl3 + 29 O2 = 14 H2O + 24 CO2 + 6 HCl
LiOH + FeCl3 = LiCl3 + FeOH =>
LiOH + FeCl3 = LiCl3 + FeOH
Br2 + CHCl3 = BrCl + CHBr =>
2 Br2 + CHCl3 = 3 BrCl + CHBr
Cu + Pb = CuPb =>
Cu + Pb = CuPb
NH4HSO4 = H2 + (NH4)2S2O8 =>
2 NH4HSO4 = H2 + (NH4)2S2O8
Ag + Au = Ag3Au =>
3 Ag + Au = Ag3Au
Na + Ca = NaCa =>
Na + Ca = NaCa
(CH3COO)2Ba + Na2SO4 = BaSO4 + CH3COONa =>
(CH3COO)2Ba + Na2SO4 = BaSO4 + 2 CH3COONa
Mn2O7 + C = MnO2 + CO2 =>
2 Mn2O7 + 3 C = 4 MnO2 + 3 CO2
Fe(NO3)3 + H2 = HNO3 + Fe =>
2 Fe(NO3)3 + 3 H2 = 6 HNO3 + 2 Fe
NaOH + S = Na2S + H2O + Na2S2O3 =>
6 NaOH + 4 S = 2 Na2S + 3 H2O + Na2S2O3
Cr(NO3)3 + ZnCl2 = CrCl3 + Zn(NO3)2 =>
2 Cr(NO3)3 + 3 ZnCl2 = 2 CrCl3 + 3 Zn(NO3)2
CH3OH + Mg = CH3OMg + H2 =>
2 CH3OH + 2 Mg = 2 CH3OMg + H2
ClO3 + H = Cl2 + H2O =>
2 ClO3 + 12 H = Cl2 + 6 H2O
HCHO + Cr2O7{-2} + H{+} = HCOOH + Cr{+3} + H2O =>
3 HCHO + Cr2O7{-2} + 8 H{+} = 3 HCOOH + 2 Cr{+3} + 4 H2O
K2SO4(aq) + MgCl2(aq) = KCl(aq) + MgSO4(g) =>
K2SO4(aq) + MgCl2(aq) = 2 KCl(aq) + MgSO4(g)
SH3 + O2 = S3 + H2O =>
12 SH3 + 9 O2 = 4 S3 + 18 H2O
AuF3 + MgO = Au2O3 + MgF2 =>
2 AuF3 + 3 MgO = Au2O3 + 3 MgF2
BeO + O2 = BeO3 =>
BeO + O2 = BeO3
NaClO + Na2S2O3 + H2O = NaOH + NaCl + SO2 =>
2 NaClO + Na2S2O3 + H2O = 2 NaOH + 2 NaCl + 2 SO2
H2Se + H2O = H3O + Se =>
H2Se + 2 H2O = 2 H3O + Se
Hg2Cl2 + SnCl2 + HCl = Hg + H[SnCl6] =>
3 Hg2Cl2 + 2 SnCl2 + 2 HCl = 6 Hg + 2 H[SnCl6]
Na2O + K = K2O + Na =>
Na2O + 2 K = K2O + 2 Na
KClO3 + NaCl = KCl + NaClO3 =>
KClO3 + NaCl = KCl + NaClO3
C12C22O11 + H2O = C2H5OH + CO2 =>
2 C12C22O11 + 57 H2O = 19 C2H5OH + 30 CO2
NiO + H = Ni + OH =>
NiO + H = Ni + OH
HNO3(k) + Mg = Mg(NO3)2 + N2O + H2O =>
10 HNO3(k) + 4 Mg = 4 Mg(NO3)2 + N2O + 5 H2O
HNO3 + Mn(OH)2 = HOH + Mn(NO3)2 =>
2 HNO3 + Mn(OH)2 = 2 HOH + Mn(NO3)2
K2Cr2O7 + CH3OH + H2SO4 = Cr2(SO4)3 + HCOOH + K2SO4 + H2O =>
2 K2Cr2O7 + 3 CH3OH + 8 H2SO4 = 2 Cr2(SO4)3 + 3 HCOOH + 2 K2SO4 + 11 H2O
C3H8(gas) + O2(gas) = CO2(gas) + H2O(gas) =>
C3H8(gas) + 5 O2(gas) = 3 CO2(gas) + 4 H2O(gas)
K + Al2O3 = K2O + Al3 =>
18 K + 3 Al2O3 = 9 K2O + 2 Al3
[Ni(NH3)6]Cl2 = NH3 + NiCl2 =>
[Ni(NH3)6]Cl2 = 6 NH3 + NiCl2
HCHO + Ag(NH3)2OH = (NH4)2CO3 + NH3 + Ag + H2O =>
HCHO + 4 Ag(NH3)2OH = (NH4)2CO3 + 6 NH3 + 4 Ag + 2 H2O
Fe2S3 + H2O + O2 = Fe(OH)3 + S8 =>
8 Fe2S3 + 24 H2O + 12 O2 = 16 Fe(OH)3 + 3 S8
Ba(OH)2 + SO3 = BaS + O2 + H2O =>
Ba(OH)2 + SO3 = BaS + 2 O2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C14H30 = C6H14 + C2H4 =>
C14H30 = C6H14 + 4 C2H4
Al(OH)3 + KOH = KAl(OH)4 =>
Al(OH)3 + KOH = KAl(OH)4
C2H5OH + O2 = CO + H2O =>
C2H5OH + 2 O2 = 2 CO + 3 H2O
K2Cr2O7 + ZnCl2 + H2SO4 = Cr2(SO4)3 + K2(SO4) + Zn(SO4) + Cl2 + H2O =>
K2Cr2O7 + 3 ZnCl2 + 7 H2SO4 = Cr2(SO4)3 + K2(SO4) + 3 Zn(SO4) + 3 Cl2 + 7 H2O
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