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Cu2 = 2 Cu
NO + H2 = N2 + HO =>
2 NO + H2 = N2 + 2 HO
ZnO + Al = Al2O3 + Zn =>
3 ZnO + 2 Al = Al2O3 + 3 Zn
HNO3 + Mg(HCO3)2 = H + Mg(NO3)2 + (HCO3) =>
2 HNO3 + Mg(HCO3)2 = 2 H + Mg(NO3)2 + 2(HCO3)
NaOH + Fe2S3 = Na2S + Fe(OH)3 =>
6 NaOH + Fe2S3 = 3 Na2S + 2 Fe(OH)3
Cu + Ni(NO3)2 = Cu(NO3) + Ni =>
2 Cu + Ni(NO3)2 = 2 Cu(NO3) + Ni
MnSO4 + K2S2O8 + H2O = HMnO4 + KHSO4 + H2SO4 =>
2 MnSO4 + 5 K2S2O8 + 8 H2O = 2 HMnO4 + 10 KHSO4 + 2 H2SO4
[Ni(NH3)6](NO3)2 + (NH4)2S = NiS + NH3 + NH4NO3 =>
[Ni(NH3)6](NO3)2 + (NH4)2S = NiS + 6 NH3 + 2 NH4NO3
C3H7CHO + KMnO4 + H2O = MnO2 + C3H7COOH + KOH =>
3 C3H7CHO + 2 KMnO4 + H2O = 2 MnO2 + 3 C3H7COOH + 2 KOH
KPO4 + Ca(OH)2 = K(OH)2 + CaPO4 =>
KPO4 + Ca(OH)2 = K(OH)2 + CaPO4
KOH + Zn + Ag3AsO4 = AsH2 + Ag + H2ZnO4 + K =>
8 KOH + 3 Zn + Ag3AsO4 = AsH2 + 3 Ag + 3 H2ZnO4 + 8 K
LiH + H2O = H + LiO =>
LiH + H2O = 3 H + LiO
Cu(NO3)2 + NaI = CuI + I2 + NaNO3 =>
2 Cu(NO3)2 + 4 NaI = 2 CuI + I2 + 4 NaNO3
Na2S + NiSO4 = Na2SO4 + SNi =>
Na2S + NiSO4 = Na2SO4 + SNi
PbCrO4 + AgNO3 = Ag2CrO4 + Pb(NO3)2 =>
PbCrO4 + 2 AgNO3 = Ag2CrO4 + Pb(NO3)2
I2(s) + NaBr(aq) = Br2(l) + NaI(aq) =>
I2(s) + 2 NaBr(aq) = Br2(l) + 2 NaI(aq)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Cu + N2 = Cu3N =>
6 Cu + N2 = 2 Cu3N
C6H5CH2OH(aq) + MnO4{-}(aq) = C6H5COO{-}(aq) + H2O(l) + MnO2(s) + HO{-}(aq) =>
3 C6H5CH2OH(aq) + 4 MnO4{-}(aq) = 3 C6H5COO{-}(aq) + 4 H2O(l) + 4 MnO2(s) + HO{-}(aq)
Na = (Na2)2 =>
4 Na = (Na2)2
Cu + N2 = Cu3N =>
6 Cu + N2 = 2 Cu3N
CH3CH2CH3Cl2 = CH3CH(Cl)CH3HCl =>
CH3CH2CH3Cl2 = CH3CH(Cl)CH3HCl
KOH + H2SO4 + C2H6O = K2S2O3 + H2O + CO2 =>
6 KOH + 6 H2SO4 + 2 C2H6O = 3 K2S2O3 + 15 H2O + 4 CO2
ZnSO4 + H2S + CH3COONa = ZnS + Na2SO4 + CH3COOH =>
ZnSO4 + H2S + 2 CH3COONa = ZnS + Na2SO4 + 2 CH3COOH
C7H17(l) + O2(g) = CO2(g) + H2O(g) =>
4 C7H17(l) + 45 O2(g) = 28 CO2(g) + 34 H2O(g)
NaOH(s)HNO3(s) = NaNO3(s)H2O(s) =>
NaOH(s)HNO3(s) = NaNO3(s)H2O(s)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaB3H8 = Na2B12H12 + NaBH4 + H2 =>
5 NaB3H8 = Na2B12H12 + 3 NaBH4 + 8 H2
HI + K = H2 + KI =>
2 HI + 2 K = H2 + 2 KI
H3PO2 + KOH = PO2K3 + H2O =>
H3PO2 + 3 KOH = PO2K3 + 3 H2O
Kr3 = Kr =>
Kr3 = 3 Kr
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaOH(aq) + Sr(NO3)2(aq) = NaNO3 + Sr(OH)2 =>
2 NaOH(aq) + Sr(NO3)2(aq) = 2 NaNO3 + Sr(OH)2
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
SO4 + I + H = ISO3 + OH =>
SO4 + I + H = ISO3 + OH
AlFe3 + CaO = Al2O3 + CaFe2 =>
2 AlFe3 + 3 CaO = Al2O3 + 3 CaFe2
NaCl + KNO3(aq) = KCl(aq) + NaNO3(aq) =>
NaCl + KNO3(aq) = KCl(aq) + NaNO3(aq)
NH2CH2COOH + HCHO + HCl + NaOH = CH3COOCl + C7H11NO6Na4 + H2O =>
NH2CH2COOH + 7 HCHO + HCl + 4 NaOH = CH3COOCl + C7H11NO6Na4 + 5 H2O
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
C5H8 + KMnO4 + H2O = C5H10O2 + MnO2 + KOH =>
3 C5H8 + 2 KMnO4 + 4 H2O = 3 C5H10O2 + 2 MnO2 + 2 KOH
Cu(NO3)2 + K3(PO4) = Cu3(PO4)2 + KNO3 =>
3 Cu(NO3)2 + 2 K3(PO4) = Cu3(PO4)2 + 6 KNO3
HCl + Al(OH)3 = H + AlCl3 + (OH)3 =>
3 HCl + Al(OH)3 = 3 H + AlCl3 + (OH)3
Cl2(g) + HO(aq) = ClOH =>
Cl2(g) + 2 HO(aq) = 2 ClOH
NHHO = NH + HO =>
NHHO = NH + HO
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H2SO3 + NaOH = HOH + Na2SO3 =>
H2SO3 + 2 NaOH = 2 HOH + Na2SO3
CH3COOH + FeS = Fe + H2S + CH3COO =>
2 CH3COOH + FeS = Fe + H2S + 2 CH3COO
Sn(OH)2 + HCl = H2O + SnCl2 =>
Sn(OH)2 + 2 HCl = 2 H2O + SnCl2
KMnO4 + NH4SCN + H2SO4 = MnSO4 + N2 + CO2 + K2SO4 + H2O =>
14 KMnO4 + 5 NH4SCN + 16 H2SO4 = 14 MnSO4 + 5 N2 + 5 CO2 + 7 K2SO4 + 26 H2O
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