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2 CH3CH2COOH + 2 Al = 2(CH3CH2COO)Al + H2
AsO2{-} + I2 + H2O = I{-} + AsO4{3-} + H{+} =>
AsO2{-} + I2 + 2 H2O = 2 I{-} + AsO4{3-} + 4 H{+}
CaCO3 + Na2CO3 + H2O = NaHCO3 + Ca(OH)2 =>
CaCO3 + Na2CO3 + 2 H2O = 2 NaHCO3 + Ca(OH)2
Cr + ClO = CrO + Cl =>
Cr + ClO = CrO + Cl
HgSO4 + KI = I2 + HgI + K2SO4 =>
2 HgSO4 + 4 KI = I2 + 2 HgI + 2 K2SO4
Fe3O4 + H2SO4 = Fe2(SO4)3 + H2S + H2O =>
8 Fe3O4 + 37 H2SO4 = 12 Fe2(SO4)3 + H2S + 36 H2O
CaCO3(s) + HCl(g) = CaCl2(s) + CO2(g) + H2O(g) =>
CaCO3(s) + 2 HCl(g) = CaCl2(s) + CO2(g) + H2O(g)
H5IO6 + I2 = IO3 + H2O =>
12 H5IO6 + I2 = 14 IO3 + 30 H2O
Pb3O4(s) = PbO(s) + O2(g) =>
2 Pb3O4(s) = 6 PbO(s) + O2(g)
Zn + Ni(NO3)2 = Zn(NO3)2 + Ni =>
Zn + Ni(NO3)2 = Zn(NO3)2 + Ni
Mg + S2 = MgS =>
2 Mg + S2 = 2 MgS
AgBr + F2 = AgF + Br =>
2 AgBr + F2 = 2 AgF + 2 Br
HClNaOH = H2ONaCl =>
HClNaOH = H2ONaCl
C14H10O2 + NaBH4 + H2O = C14H1402 + NaOH + H3BO3 =>
2 C14H10O2 + 349 NaBH4 + 1392 H2O = 2 C14H1402 + 349 NaOH + 349 H3BO3
NaOH + CO3 = Na2CO3 + OH =>
2 NaOH + CO3 = Na2CO3 + 2 OH
Fe2O3 + KNO3 + KOH = K2FeO4 + KNO2 + H2O =>
Fe2O3 + 3 KNO3 + 4 KOH = 2 K2FeO4 + 3 KNO2 + 2 H2O
Bi + Br2 = BiBr3 =>
2 Bi + 3 Br2 = 2 BiBr3
CH3CHO + Cu(OH)2 + NaOH = CH3COONa + CuOH + H2O =>
CH3CHO + 2 Cu(OH)2 + NaOH = CH3COONa + 2 CuOH + 2 H2O
CuFeS2 + HNO3 = Cu(NO3)2 + Fe(NO3)3 + H2SO4 + NO2 + H2O =>
CuFeS2 + 22 HNO3 = Cu(NO3)2 + Fe(NO3)3 + 2 H2SO4 + 17 NO2 + 9 H2O
NaNO3 + NaOH = Na2O + HNO3 =>
NaNO3 + NaOH = Na2O + HNO3
N2H2 + N2O4 = N2 + H2O =>
4 N2H2 + N2O4 = 5 N2 + 4 H2O
H2SiO3 + Hg(OH)2 = HgSiO3 + H2O =>
H2SiO3 + Hg(OH)2 = HgSiO3 + 2 H2O
CaSO3 + HI = CaI2 + H2SO3 =>
CaSO3 + 2 HI = CaI2 + H2SO3
H2S + Cl2 = HCl + S =>
H2S + Cl2 = 2 HCl + S
C7H6O3(l) + O2(g) = CO2(g) + H2O =>
C7H6O3(l) + 7 O2(g) = 7 CO2(g) + 3 H2O
CuCl2 = Cu + Cl =>
CuCl2 = Cu + 2 Cl
KI + KMnO4 + HCl = H2O + I2 + KCl + MnCl2 =>
10 KI + 2 KMnO4 + 16 HCl = 8 H2O + 5 I2 + 12 KCl + 2 MnCl2
Sr(s) + HCl(aq) = SrCl2(s) + H2(g) =>
Sr(s) + 2 HCl(aq) = SrCl2(s) + H2(g)
C6H8O7 + KOH = C6H5O7K3 + H2O =>
C6H8O7 + 3 KOH = C6H5O7K3 + 3 H2O
Na2S + HNO3 = Na2SO4 + NO2 + H2O =>
Na2S + 8 HNO3 = Na2SO4 + 8 NO2 + 4 H2O
N + S = N2S =>
2 N + S = N2S
CuCl2 + HCl = CuCl4{2-} + H{+} =>
CuCl2 + 2 HCl = CuCl4{2-} + 2 H{+}
Pb(NO3)2 + NaCl = NaNO3 + PbCl2 =>
Pb(NO3)2 + 2 NaCl = 2 NaNO3 + PbCl2
Zn(OH)2 + P2O5 = ZnHPO4 + H2O =>
2 Zn(OH)2 + P2O5 = 2 ZnHPO4 + H2O
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
FeCl2 + KSCN = Fe(SCN)2 + KCl =>
FeCl2 + 2 KSCN = Fe(SCN)2 + 2 KCl
Cu + AgNo3 = Cu3(No3)2 + Ag =>
3 Cu + 2 AgNo3 = Cu3(No3)2 + 2 Ag
KClO4 = KCl + O2 =>
KClO4 = KCl + 2 O2
Cr(OH)3 + Na(OH) = Na3[Cr(OH)6] =>
Cr(OH)3 + 3 Na(OH) = Na3[Cr(OH)6]
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
NaOH + CH4 = Na + CO2 + H2O =>
8 NaOH + CH4 = 8 Na + CO2 + 6 H2O
C10H16 + Cl = C + HCl =>
C10H16 + 16 Cl = 10 C + 16 HCl
FeS + KOH = K2S + Fe(OH)2 =>
FeS + 2 KOH = K2S + Fe(OH)2
NaOH + SO = NaSO + HO =>
NaOH + SO = NaSO + HO
C6H8O7 + FeO = Fe3(C6H5O7)2 + H2O =>
2 C6H8O7 + 3 FeO = Fe3(C6H5O7)2 + 3 H2O
Ag + NH4OH = AgNH4OH =>
Ag + NH4OH = AgNH4OH
Ag + Au(No3)3 = AgNo3 + Au =>
3 Ag + Au(No3)3 = 3 AgNo3 + Au
Co(NO3)2 + NaOH = Co(OH)2 + NaNO3 =>
Co(NO3)2 + 2 NaOH = Co(OH)2 + 2 NaNO3
K + HNO3 = KNO3 + H2 =>
2 K + 2 HNO3 = 2 KNO3 + H2
FeS2 = Fe3SS4 + S =>
3 FeS2 = Fe3SS4 + S
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