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K + Ar = KAr
K3[Fe(SCN)6] + NaF = Na3[Fe(SCN)6] + KF =>
K3[Fe(SCN)6] + 3 NaF = Na3[Fe(SCN)6] + 3 KF
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H{+} + Cl{-} + Cr2O7{2-} = Cl2 + Cr3{+} + H2O =>
42 H{+} + 34 Cl{-} + 3 Cr2O7{2-} = 17 Cl2 + 2 Cr3{+} + 21 H2O
V2O5 + SO2 + H2SO4 = VOSO4 + H2O =>
V2O5 + SO2 + H2SO4 = 2 VOSO4 + H2O
Cr + NO2 = Cr(NO2)3 =>
Cr + 3 NO2 = Cr(NO2)3
HClO4 + CH3COONa = ClO4{-} + CH3COOH + Na{+} =>
HClO4 + CH3COONa = ClO4{-} + CH3COOH + Na{+}
K + Ar = KAr =>
K + Ar = KAr
Na2S + Bi(NO3)3 = NaNO3 + Bi2S3 =>
3 Na2S + 2 Bi(NO3)3 = 6 NaNO3 + Bi2S3
CU(s) + O2(g) = CUO(s) =>
2 CU(s) + O2(g) = 2 CUO(s)
Zn + CuSO42{-} = ZnSO42{-} + Cu =>
Zn + CuSO42{-} = ZnSO42{-} + Cu
Cr + NO2 = Cr(NO2)3 =>
Cr + 3 NO2 = Cr(NO2)3
Fe + NiS = Ni + Fe2S3 =>
2 Fe + 3 NiS = 3 Ni + Fe2S3
Zn + KI = ZnI2 + K =>
Zn + 2 KI = ZnI2 + 2 K
Mo + N2 = Mo3N5 =>
6 Mo + 5 N2 = 2 Mo3N5
Hg(No3)2 + NaBr = HgBr2 + NaNo3 =>
Hg(No3)2 + 2 NaBr = HgBr2 + 2 NaNo3
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
MgO + NaCl = MgCl + NaO =>
MgO + NaCl = MgCl + NaO
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
CuCl + SO2 + HCl = CuCl2 + H2O + S =>
4 CuCl + SO2 + 4 HCl = 4 CuCl2 + 2 H2O + S
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
K3P + MgS = Mg3P2 + K2S =>
2 K3P + 3 MgS = Mg3P2 + 3 K2S
CuCl2 + H2O + SO2 = CuCl + HCl + H2SO4 =>
2 CuCl2 + 2 H2O + SO2 = 2 CuCl + 2 HCl + H2SO4
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
Cr2O3 + H2O = Cr(OH)3 =>
Cr2O3 + 3 H2O = 2 Cr(OH)3
Ni(OH)2 = NiO + H2O =>
Ni(OH)2 = NiO + H2O
C6H8O7 + NaHCO3(aq) = NaC6H5O7 + CO2(g) + H2O(l) =>
8 C6H8O7 + 9 NaHCO3(aq) = 9 NaC6H5O7 + 3 CO2(g) + 14 H2O(l)
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
N2O5 + Ba(OH)2 = Ba(NO3)2 + H2O =>
N2O5 + Ba(OH)2 = Ba(NO3)2 + H2O
AgO = Ag + O2 =>
2 AgO = 2 Ag + O2
CrO + HNO3 = Cr + NO3 + H2O =>
CrO + 2 HNO3 = Cr + 2 NO3 + H2O
Cr + NO2 = Cr(NO2)3 =>
Cr + 3 NO2 = Cr(NO2)3
CH3COOH + NaHCO3 = CO2 + Na + H2 =>
CH3COOH + 2 NaHCO3 = 4 CO2 + 2 Na + 3 H2
Nh4I + Cl2 = Nh4Cl + I2 =>
2 Nh4I + Cl2 = 2 Nh4Cl + I2
NaCl + HOCl = HCl + NaOCl =>
NaCl + HOCl = HCl + NaOCl
H2O + Al = O2 + HAl =>
2 H2O + 4 Al = O2 + 4 HAl
AgNO3(aq) + HBr(aq) = AgBr(s) + HNO3(aq) =>
AgNO3(aq) + HBr(aq) = AgBr(s) + HNO3(aq)
MgSO4 + BaCl2 = BaSO4 + MgCl2 =>
MgSO4 + BaCl2 = BaSO4 + MgCl2
MnO4{-} = Mn{2+} + O + {-} =>
MnO4{-} = Mn{2+} + 4 O + 3e
[Ag(NH3)2]Cl + KI + HNO3 = AgCl + NH4I + KNO3 =>
[Ag(NH3)2]Cl + 2 KI + 2 HNO3 = AgCl + 2 NH4I + 2 KNO3
NH3 + LiOH = LiOH2 + NH2 =>
NH3 + LiOH = LiOH2 + NH2
CuCl2 + KOH = KCl2 + CuOH =>
CuCl2 + KOH = KCl2 + CuOH
FeCl3 + NH4(OH)2 = Fe(OH)3 + NH4Cl2 =>
2 FeCl3 + 3 NH4(OH)2 = 2 Fe(OH)3 + 3 NH4Cl2
NH3 + PO4 = NH3PO4 =>
NH3 + PO4 = NH3PO4
Pb(NO3)2 + Na2SO4 = PbSO4(s) + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4(s) + 2 NaNO3
COS + NaOH = Na2CO3 + NaHS + H2O =>
COS + 3 NaOH = Na2CO3 + NaHS + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
*3Fe + *4H2O = Fe3O4 + *4H2 =>
*3Fe + *4H2O = Fe3O4 + *4H2
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