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3 KNO3 + Cr2O3 + 4 KOH = 3 KNO2 + 2 K2CrO4 + 2 H2O
C4H9COOH + O2 = CO2 + H2O =>
2 C4H9COOH + 13 O2 = 10 CO2 + 10 H2O
Al(s) + OH{-}(aq) + H2O(l) = [Al(OH)4]{-}(aq) + H2(g) =>
2 Al(s) + 2 OH{-}(aq) + 6 H2O(l) = 2[Al(OH)4]{-}(aq) + 3 H2(g)
CH3CHO + Ca(OH)2 = CH3COOH + Ca2O + H2O =>
CH3CHO + 2 Ca(OH)2 = CH3COOH + Ca2O + 2 H2O
Pb(C2H3O2)2 + CuSO4 = PbSO4 + C2H3O2 + Cu =>
Pb(C2H3O2)2 + CuSO4 = PbSO4 + 2 C2H3O2 + Cu
As2O6 + HCl = AsCl6 + H2O =>
As2O6 + 12 HCl = 2 AsCl6 + 6 H2O
KI + K2Cr2O7 + HCl = I2 + KCl + CrCl3 + H2O =>
6 KI + K2Cr2O7 + 14 HCl = 3 I2 + 8 KCl + 2 CrCl3 + 7 H2O
CuSO4 + KON = Cu(ON)2 + K2SO4 =>
CuSO4 + 2 KON = Cu(ON)2 + K2SO4
H2OSO4 + HI = H2S + I2 + H2O =>
H2OSO4 + 10 HI = H2S + 5 I2 + 5 H2O
Ni(ClO4)2 + K2S = KClO4 + NiS =>
Ni(ClO4)2 + K2S = 2 KClO4 + NiS
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
Iron(ii)oxide = iron + oxygen =>
2 FeO = 2 Fe + O2
NaAlO2 + HBr = NaBr + AlBr3 + H2O =>
NaAlO2 + 4 HBr = NaBr + AlBr3 + 2 H2O
BaI + Pb(NO3)2 = Ba(NO3) + PbI2 =>
2 BaI + Pb(NO3)2 = 2 Ba(NO3) + PbI2
MgCl2 + NaOH = Mg(OH)2 + NaCl(classification) =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl(classification)
KMnO4 + Ni(NO3)2 + HCl = MnCl2 + Ni(NO3)3 + H2O + NiCl3 + KNO3 =>
KMnO4 + 5 Ni(NO3)2 + 8 HCl = MnCl2 + 3 Ni(NO3)3 + 4 H2O + 2 NiCl3 + KNO3
ZnSO4 + NaHS = ZnS + H2SO4 + Na2SO4 =>
2 ZnSO4 + 2 NaHS = 2 ZnS + H2SO4 + Na2SO4
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Sr + H2F2O2 = H2 + SrF2O2 =>
Sr + H2F2O2 = H2 + SrF2O2
KNO2 + K2Cr2O7 + KOH + H2O = K3[Cr(OH)6] + KNO3 =>
3 KNO2 + K2Cr2O7 + 4 KOH + 4 H2O = 2 K3[Cr(OH)6] + 3 KNO3
FeS2 + As{-} + H2O = FeAsS + HS{-} + O2 =>
4 FeS2 + 4 As{-} + 2 H2O = 4 FeAsS + 4 HS{-} + O2
Sn{4+}(aq) + e = Sn{2+}(aq) =>
Sn{4+}(aq) + 2e = Sn{2+}(aq)
C6H6 + HNO3 = C6H5NO2 + H2O =>
C6H6 + HNO3 = C6H5NO2 + H2O
CuS + HNO3 = Cu(NO3)2 + H2SO4 + HNO2 =>
CuS + 6 HNO3 = Cu(NO3)2 + H2SO4 + 4 HNO2
Ca(s) + AlF3(aq) = CaF2(aq) + Al(s) =>
3 Ca(s) + 2 AlF3(aq) = 3 CaF2(aq) + 2 Al(s)
CuSO4 + Na2S2O3 = CuS2O3 + Na2SO4 =>
CuSO4 + Na2S2O3 = CuS2O3 + Na2SO4
Na999Cl999 = Na{+} + Cl{-} =>
Na999Cl999 = 999 Na{+} + 999 Cl{-}
Hg2(NO3)2 + CaBr2 = Hg2Br2 + Ca(NO3)2 =>
Hg2(NO3)2 + CaBr2 = Hg2Br2 + Ca(NO3)2
Fe2(SO4)3 + Sr(OH)2 = Fe(OH)3 + SrSO4 =>
Fe2(SO4)3 + 3 Sr(OH)2 = 2 Fe(OH)3 + 3 SrSO4
SO2(g) + H2O(l) = H2SO3 =>
SO2(g) + H2O(l) = H2SO3
C2H4 + HBr = CH3CH2Br =>
C2H4 + HBr = CH3CH2Br
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
(b)NH4NO3(s) = N2O(g) + H2O(l) =>
(b)NH4NO3(s) = N2O(g) + 2 H2O(l)
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
PO4{3-} + H2O = H3PO4 + OH{-} =>
PO4{3-} + 3 H2O = H3PO4 + 3 OH{-}
Zn + SnCl4 = SnCl2 + ZnCl2 =>
Zn + SnCl4 = SnCl2 + ZnCl2
Cr(NO3)3 + H2O2 + KOH = K2CrO4 + KNO3 + H2O =>
2 Cr(NO3)3 + 3 H2O2 + 10 KOH = 2 K2CrO4 + 6 KNO3 + 8 H2O
Cu(s) + AgNO3(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(aq) = Cu(NO3)2(aq) + 2 Ag(s)
NaAlO2 + HBr = NaBr + AlBr3 + H2O =>
NaAlO2 + 4 HBr = NaBr + AlBr3 + 2 H2O
C5H12 + KNO3 = H2O + KNO2 + CO2 =>
C5H12 + 16 KNO3 = 6 H2O + 16 KNO2 + 5 CO2
Fe + K3Fe(CN)6 = Fe4[Fe(CN)6] + K =>
4 Fe + K3Fe(CN)6 = Fe4[Fe(CN)6] + 3 K
Fe2S + HCl = Fe2Cl2 + H2S =>
Fe2S + 2 HCl = Fe2Cl2 + H2S
K2 + H3PO4 = K2HPO4 + H2 =>
K2 + H3PO4 = K2HPO4 + H2
NH4Cl + CoSO4 = (NH4)2SO4 + CoCl2 =>
2 NH4Cl + CoSO4 = (NH4)2SO4 + CoCl2
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
NH4Cl + NaOH = NaCl(s) + H5ON =>
NH4Cl + NaOH = NaCl(s) + H5ON
Fe2O4 + Al = Al2O3 + Fe =>
3 Fe2O4 + 8 Al = 4 Al2O3 + 6 Fe
C6H14 + Br2 = C6H13Br + HBr =>
C6H14 + Br2 = C6H13Br + HBr
Fe2S3 + Ca(OH)2 = Fe(OH)3 + CaS =>
Fe2S3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaS
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