| Équations équilibrées la veille |
KBr(aq) + CaS(aq) = CaBr + SK
K2S + HCl = H2S + KCl =>
K2S + 2 HCl = H2S + 2 KCl
Na2SO4 + CaSO4 = Na2S2O3 + CaO + O =>
Na2SO4 + CaSO4 = Na2S2O3 + CaO + 4 O
Ag + HNO3 = AgNO3 + NO2 + H2O =>
Ag + 2 HNO3 = AgNO3 + NO2 + H2O
Fe + S = FeS =>
Fe + S = FeS
Ca(NO2)2 + NaI = CaI2 + NaNO2 =>
Ca(NO2)2 + 2 NaI = CaI2 + 2 NaNO2
HCl + Br(OH) = BrCl + H2O =>
HCl + Br(OH) = BrCl + H2O
Fe2O3 + H2O + H = Fe(OH)2 =>
Fe2O3 + H2O + 2 H = 2 Fe(OH)2
CuO + C2H2 = Cu + CO2 + H2O =>
5 CuO + C2H2 = 5 Cu + 2 CO2 + H2O
BaCO3 + H2SO4 = BaSO4 + H2CO3 =>
BaCO3 + H2SO4 = BaSO4 + H2CO3
CuS + HNO3 = CuSO4 + H2O + NO =>
3 CuS + 8 HNO3 = 3 CuSO4 + 4 H2O + 8 NO
C6H5CH2CH2CH3 + KMnO4 = C6H5COOH + KOH + MnO2 + CH3COOH =>
13 C6H5CH2CH2CH3 + 42 KMnO4 = 15 C6H5COOH + 42 KOH + 42 MnO2 + 6 CH3COOH
C25H22 + O2 = CO2 + H2O =>
2 C25H22 + 61 O2 = 50 CO2 + 22 H2O
C2H4O + NaOH = H2O + Na + CO2 =>
C2H4O + 10 NaOH = 7 H2O + 10 Na + 2 CO2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Zn + H2SO4(aq) = ZnSO4 + H2 =>
Zn + H2SO4(aq) = ZnSO4 + H2
NaCrO4 + BaCl2 = BaCrO4NaCl2 =>
NaCrO4 + BaCl2 = BaCrO4NaCl2
BaO + SO = BaSO2 =>
BaO + SO = BaSO2
CuFeS2 + O2 + H2O = FeSO4 + H2SO4 + Cu =>
2 CuFeS2 + 7 O2 + 2 H2O = 2 FeSO4 + 2 H2SO4 + 2 Cu
CO2 + N2O = CO + N2O3 =>
2 CO2 + N2O = 2 CO + N2O3
CO + FeO = CO2 + Fe =>
CO + FeO = CO2 + Fe
HBrO = H2 + Br2 + O2 =>
2 HBrO = H2 + Br2 + O2
C8H7N + O2 = CO2 + H2O + NO =>
4 C8H7N + 41 O2 = 32 CO2 + 14 H2O + 4 NO
KMnO4 + C6H5CHO = C6H5COOH + KMnO3 =>
KMnO4 + C6H5CHO = C6H5COOH + KMnO3
Fe2(SO4)3(aq) + KOH(aq) = K2SO4(aq) + Fe(OH)3(aq) =>
Fe2(SO4)3(aq) + 6 KOH(aq) = 3 K2SO4(aq) + 2 Fe(OH)3(aq)
MnO4{-} + (COOH)2 + H{+} = Mn2{+} + CO2 + H2O =>
4 MnO4{-} + 13(COOH)2 + 6 H{+} = 2 Mn2{+} + 26 CO2 + 16 H2O
NaCl + Fe(NO3)3 = Na(NO3)3 + ClFe =>
NaCl + Fe(NO3)3 = Na(NO3)3 + ClFe
Ca(HS)2 + HCl = CaCl2 + H2S =>
Ca(HS)2 + 2 HCl = CaCl2 + 2 H2S
HCl + Na2CO3 = CO2 + H2O + NaCl =>
2 HCl + Na2CO3 = CO2 + H2O + 2 NaCl
K2Cr2O7 + KI + HCl = CrCl3 + I2 + KCl + H2O =>
K2Cr2O7 + 6 KI + 14 HCl = 2 CrCl3 + 3 I2 + 8 KCl + 7 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
CH3OH + H2SO4 + Na2Cr2O7 = Cr2(SO4)3 + Na2SO4 + HCOOH + H2O =>
3 CH3OH + 8 H2SO4 + 2 Na2Cr2O7 = 2 Cr2(SO4)3 + 2 Na2SO4 + 3 HCOOH + 11 H2O
Li + SmCl3 = Sm + LiCl =>
3 Li + SmCl3 = Sm + 3 LiCl
(H2SO4) + NaOH = Na2SO4 + H2O =>
(H2SO4) + 2 NaOH = Na2SO4 + 2 H2O
(S2O3)2{-} + I2 = (S4O6)2{-} + I{-} =>
4(S2O3)2{-} + I2 = 2(S4O6)2{-} + 2 I{-}
Na2HSO4 + H2O = Na2SO4 + H3O =>
Na2HSO4 + H2O = Na2SO4 + H3O
C6H6COONa + NaOH = C6H6 + Na2CO3 + H2O =>
30 C6H6COONa + 18 NaOH = 31 C6H6 + 24 Na2CO3 + 6 H2O
Na3Po4 + AgNo3 = Na3No3 + AgPo4 =>
Na3Po4 + AgNo3 = Na3No3 + AgPo4
Ca(CH3COO)2 + C2H5OH = Ca(CH3COO)2*2C2H5OH =>
Ca(CH3COO)2 + 2 C2H5OH = Ca(CH3COO)2*2C2H5OH
CH3CHO + MnO4{-} + OH{-} = CH3COO{-} + MnO4{2-} + H2O =>
CH3CHO + 2 MnO4{-} + 3 OH{-} = CH3COO{-} + 2 MnO4{2-} + 2 H2O
Mg + ClH = MgCl2 + H =>
Mg + 2 ClH = MgCl2 + 2 H
AgNO3 + Na2CrO4 = Ag8O4 + Na2Cr(NO3)8 =>
8 AgNO3 + Na2CrO4 = Ag8O4 + Na2Cr(NO3)8
CO3{-}{-} + NO3{-} + As2Se3 = AsO4{-2}{-} + SeO4{-}{-} + NO2{-} + CO2 =>
7 CO3{-}{-} + 13 NO3{-} + As2Se3 = 2 AsO4{-2}{-} + 3 SeO4{-}{-} + 13 NO2{-} + 7 CO2
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
(NH4)2CO3 + CO2 + H2O = NH4HCO3 =>
(NH4)2CO3 + CO2 + H2O = 2 NH4HCO3
H3O + OH = H3OOH =>
H3O + OH = H3OOH
Al + H2SO4 = Al2S3O12 + SO + H2O =>
4 Al + 9 H2SO4 = 2 Al2S3O12 + 3 SO + 9 H2O
KMnO4 + K2SO4 = K2S2O8 + MnO2 + K2O =>
2 KMnO4 + 6 K2SO4 = 3 K2S2O8 + 2 MnO2 + 4 K2O
C3H7OH + KMnO4 + H2SO4 = C2H6COH + K2SO4 + MnSO4 + H2O =>
10 C3H7OH + 2 KMnO4 + 3 H2SO4 = 10 C2H6COH + K2SO4 + 2 MnSO4 + 8 H2O
Ca(NO2)2 + HNO3 = Ca(NO3)2 + HNO2 =>
Ca(NO2)2 + 2 HNO3 = Ca(NO3)2 + 2 HNO2
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