| Équations équilibrées la veille |
KOH + 2 SO4 = KOH(SO4)2
Na2O + HCl = NaOH + NaCl =>
Na2O + HCl = NaOH + NaCl
N2H4 + N4O = H2O + N =>
N2H4 + 2 N4O = 2 H2O + 10 N
C + Na = Na4C =>
C + 4 Na = Na4C
Ba(NO3)2 + NH2SO3H + H2O = Ba(NH2SO3) + H2SO4 + HNO3 =>
8 Ba(NO3)2 + 9 NH2SO3H + 4 H2O = 8 Ba(NH2SO3) + H2SO4 + 17 HNO3
NaNO2 + HCl = NO + NaNO3 + H2O + NaCl =>
3 NaNO2 + 2 HCl = 2 NO + NaNO3 + H2O + 2 NaCl
NH4(SO4)2 + Ba(NO3)2 = NH4(NO3)2 + Ba(SO4)2 =>
NH4(SO4)2 + Ba(NO3)2 = NH4(NO3)2 + Ba(SO4)2
Sr(NO3)2(ac) + Na2SO4(ac) = SrSO4(s) + NaNO3(ac) =>
Sr(NO3)2(ac) + Na2SO4(ac) = SrSO4(s) + 2 NaNO3(ac)
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Zn + Ca(OH)2 = Zn(OH)3 + Ca =>
2 Zn + 3 Ca(OH)2 = 2 Zn(OH)3 + 3 Ca
CaBr2 + H2O = Ca(OH)2 + Br2 + H2 =>
CaBr2 + 2 H2O = Ca(OH)2 + Br2 + H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HNO3 + Na2SO4 + BaCl2 = NaNO3 + HCl + BaSO4 =>
2 HNO3 + Na2SO4 + BaCl2 = 2 NaNO3 + 2 HCl + BaSO4
HBr + Na = NaBr + H2 =>
2 HBr + 2 Na = 2 NaBr + H2
Fe{2}{+} + Ce{4}{+} = Fe{3}{+} + Ce{3}{+} =>
Fe{2}{+} + Ce{4}{+} = Fe{3}{+} + Ce{3}{+}
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CuSO4 + H2SO4 + KI = I2 + CuI + KHSO4 =>
2 CuSO4 + 2 H2SO4 + 4 KI = I2 + 2 CuI + 4 KHSO4
H2S + FeS + CO2 = FeS2 + HCO2 =>
H2S + FeS + 2 CO2 = FeS2 + 2 HCO2
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
MnSO4 + NaHSO4 + H2O + Cl2 = MnO2 + NaCl + H2SO4 =>
MnSO4 + 2 NaHSO4 + 2 H2O + Cl2 = MnO2 + 2 NaCl + 3 H2SO4
NiCl2 + HCl + KMnO4 = H2O + KCl + MnCl2 + NiCl3 =>
5 NiCl2 + 8 HCl + KMnO4 = 4 H2O + KCl + MnCl2 + 5 NiCl3
I{-} + BrO3{-} + H{+} = Br{-} + H2O + I2 =>
6 I{-} + BrO3{-} + 6 H{+} = Br{-} + 3 H2O + 3 I2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C8H8O + NaBH4 + NaOH = C8H9ONa + B(OH)3 =>
4 C8H8O + NaBH4 + 3 NaOH = 4 C8H9ONa + B(OH)3
C6H5(CH2)2 + KMnO4 + H2SO4 = C6H5(COOH)2 + K2SO4 + MnSO4 + H2O =>
C6H5(CH2)2 + 2 KMnO4 + 3 H2SO4 = C6H5(COOH)2 + K2SO4 + 2 MnSO4 + 4 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
F2(g) + MgCl2(aq) = Cl2(g) + MgF2(aq) =>
F2(g) + MgCl2(aq) = Cl2(g) + MgF2(aq)
K + CH3COO = K(CH3COO) =>
K + CH3COO = K(CH3COO)
Zn + NaOH + NaNO3 + H2O = Na2[Zn(OH)4] + NaNO2 =>
Zn + 2 NaOH + NaNO3 + H2O = Na2[Zn(OH)4] + NaNO2
C5H12 + O2 = C + H2O =>
C5H12 + 3 O2 = 5 C + 6 H2O
Br2 + HCl = BrCl + HBr =>
Br2 + HCl = BrCl + HBr
Cl2 + KBr = Br2 + KCl =>
Cl2 + 2 KBr = Br2 + 2 KCl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Zn + C2H4O2 = ZnC2H4O2 =>
Zn + C2H4O2 = ZnC2H4O2
SO3 + NaOH = Na2SO4 + H2O =>
SO3 + 2 NaOH = Na2SO4 + H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
Na(s) + Mg(NO3)2(aq) = Mg(s) + NaNO3(aq) =>
2 Na(s) + Mg(NO3)2(aq) = Mg(s) + 2 NaNO3(aq)
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
S(s) + HNO3(l) = SO2(g) + NO2(g) + H2O(l) =>
S(s) + 4 HNO3(l) = SO2(g) + 4 NO2(g) + 2 H2O(l)
Ag2O2 + HNO3 = AgNO3 + O2 + H2O =>
2 Ag2O2 + 4 HNO3 = 4 AgNO3 + O2 + 2 H2O
soufre + ozone = ledioxydedesoufre =>
3 S + 2 O3 = 3 SO2
K2Cr2O7 + SnCl2 + HCl = H2[SnCl6] + KCl + CrCl3 + H2O =>
K2Cr2O7 + 3 SnCl2 + 20 HCl = 3 H2[SnCl6] + 2 KCl + 2 CrCl3 + 7 H2O
K2MnO4 + H2SO4 + Na2SO = K2SO4 + NaSO4 + MnSO4 + H2O =>
2 K2MnO4 + 5 H2SO4 + Na2SO = 2 K2SO4 + 2 NaSO4 + 2 MnSO4 + 5 H2O
hydroxydedecalcium + gazcarbonique = carbonatedecalcium + eau =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Cr(NO3)3(aq) + Na3PO4 = CrPO4 + NaNO3 =>
Cr(NO3)3(aq) + Na3PO4 = CrPO4 + 3 NaNO3
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
CH3CH2CHCl2 + KOH = CH3CHCHOH + KCl + H2O =>
CH3CH2CHCl2 + 2 KOH = CH3CHCHOH + 2 KCl + H2O
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