| Équations équilibrées la veille |
4 CO + 10 HNO3 = 4 CO(NO3)2 + N2O + 5 H2O
BaCl2 + HNO3 = Ba(NO3)2 + ClH =>
BaCl2 + 2 HNO3 = Ba(NO3)2 + 2 ClH
Al(OH)3 + HCl = AlCl2(OH) + H2O =>
Al(OH)3 + 2 HCl = AlCl2(OH) + 2 H2O
CH3COOH + Na2CO3 = CH3COONa + CO2 + H2O =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + CO2 + H2O
HI + NaClO3 = I2 + NaCl + H2O =>
6 HI + NaClO3 = 3 I2 + NaCl + 3 H2O
C{2+}H{5+}OH + O2 = CO{2+}H{2+}O =>
2 C{2+}H{5+}OH + O2 = 2 CO{2+}H{2+}O
K2FeO4 + NH3 = Fe2O3 + KOH + N2 + H2O =>
2 K2FeO4 + 2 NH3 = Fe2O3 + 4 KOH + N2 + H2O
BaS + Fe = BaFe2 + S =>
BaS + 2 Fe = BaFe2 + S
I2 + Na2SO3 = Na2SO4 + NaI + SO2 =>
I2 + 2 Na2SO3 = Na2SO4 + 2 NaI + SO2
H2O + O2 + As = HAsO4 =>
2 H2O + 7 O2 + 4 As = 4 HAsO4
Sn + NH3 + H2O = Sn(OH)2 + NH4 =>
Sn + 2 NH3 + 2 H2O = Sn(OH)2 + 2 NH4
Mm + F2 = MmF3 =>
2 Mm + 3 F2 = 2 MmF3
PbO2 + Cl{-} + H{+} = PbCl2 + Cl2 + H2O =>
PbO2 + 4 Cl{-} + 4 H{+} = PbCl2 + Cl2 + 2 H2O
C9H20 = C + H2 =>
C9H20 = 9 C + 10 H2
MgI2 + NaOH = MgOH + I2Na =>
MgI2 + NaOH = MgOH + I2Na
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CH3F + OH{-} = CH3OH + F{-} =>
CH3F + OH{-} = CH3OH + F{-}
CuCl2 + KCl = K2[CuCl4] =>
CuCl2 + 2 KCl = K2[CuCl4]
HNO3 + Zn(BrO2)2 = HBrO + H2O + Zn + NO3 =>
6 HNO3 + Zn(BrO2)2 = 2 HBrO + 2 H2O + Zn + 6 NO3
KMnO4 + H2SO4 + FeCl2 = MnSO4 + K2SO4 + FeCl3 + H2O + Fe2(SO4)3 =>
6 KMnO4 + 24 H2SO4 + 30 FeCl2 = 6 MnSO4 + 3 K2SO4 + 20 FeCl3 + 24 H2O + 5 Fe2(SO4)3
C2H5COOH + Na2CO3 = C2H5COONa + CO2 + H2O =>
2 C2H5COOH + Na2CO3 = 2 C2H5COONa + CO2 + H2O
Cd3(PO4)2 = Cd3 + PO4 =>
Cd3(PO4)2 = Cd3 + 2 PO4
Cu3(PO4)2 + H3PO4 = Cu(H2PO4)2 =>
Cu3(PO4)2 + 4 H3PO4 = 3 Cu(H2PO4)2
Cu(NO3)2(aq) + AlBr3(aq) = Al(NO3)3(aq) + CuBr2(aq) =>
3 Cu(NO3)2(aq) + 2 AlBr3(aq) = 2 Al(NO3)3(aq) + 3 CuBr2(aq)
Na3PO4 + Ca(OH)2 = Na3(OH)2 + Ca(PO4) =>
Na3PO4 + Ca(OH)2 = Na3(OH)2 + Ca(PO4)
Cu(NH3)4{2+} + HCl = Cu{2+} + NH4{+} + Cl{-} =>
Cu(NH3)4{2+} + 4 HCl = Cu{2+} + 4 NH4{+} + 4 Cl{-}
Ca + (SO4) = CaSO4 =>
Ca + (SO4) = CaSO4
CaCO3 + Si = CaSiO3 + C =>
CaCO3 + Si = CaSiO3 + C
(CH3)2C(OH)CN = CH2C(CH3)CONH2 =>
(CH3)2C(OH)CN = CH2C(CH3)CONH2
BaS + HCl = BaCl2 + H2S =>
BaS + 2 HCl = BaCl2 + H2S
HgNO3 = Hg + NO2 + O2 =>
2 HgNO3 = 2 Hg + 2 NO2 + O2
Fe2(SO4)3 + NH3 + H2O = Fe(OH)3 + (NH4)2 + SO4 =>
Fe2(SO4)3 + 6 NH3 + 6 H2O = 2 Fe(OH)3 + 3(NH4)2 + 3 SO4
CaO + MgO = CaO2Mg =>
CaO + MgO = CaO2Mg
S2O2 + Li2Se = S2Se2 + Li2O =>
S2O2 + 2 Li2Se = S2Se2 + 2 Li2O
CH3C6H4CH2OH + K2Cr2O7 + H2SO4 = HOOCC6H4COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3C6H4CH2OH + 5 K2Cr2O7 + 20 H2SO4 = 3 HOOCC6H4COOH + 5 Cr2(SO4)3 + 5 K2SO4 + 26 H2O
Al2(CO3)3 = Al2O3 + CO2 =>
Al2(CO3)3 = Al2O3 + 3 CO2
C6H8O6 + KIO3 = C6H6O6 + H2O + KI =>
3 C6H8O6 + KIO3 = 3 C6H6O6 + 3 H2O + KI
CaCO3 + Si = CaSiO3 + C =>
CaCO3 + Si = CaSiO3 + C
C6H2 + O2 = CO2 + H2O =>
2 C6H2 + 13 O2 = 12 CO2 + 2 H2O
BaS + HCl = BaCl2 + H2S =>
BaS + 2 HCl = BaCl2 + H2S
Na + K2 = NaK =>
2 Na + K2 = 2 NaK
Na2CO3 + ClH = NaCl + H2O + CO2 =>
Na2CO3 + 2 ClH = 2 NaCl + H2O + CO2
Br2 + KOH = KBr2 + KBrO3 + H2O =>
11 Br2 + 12 KOH = 10 KBr2 + 2 KBrO3 + 6 H2O
KCl + Na2S = K2S + NaCl =>
2 KCl + Na2S = K2S + 2 NaCl
H3PO3 + CuO = Cu3(PO3)2 + H2O =>
2 H3PO3 + 3 CuO = Cu3(PO3)2 + 3 H2O
NaBr2 + Cl2 = NaCl + Br2 =>
2 NaBr2 + Cl2 = 2 NaCl + 2 Br2
C10H22 + O3 = H2O + CO2 =>
3 C10H22 + 31 O3 = 33 H2O + 30 CO2
KOH + HL = KL + H2O =>
KOH + HL = KL + H2O
FeCl3 + KSCN + NaOH = Fe(OH)3 + KCl + NaSCN =>
FeCl3 + 3 KSCN + 3 NaOH = Fe(OH)3 + 3 KCl + 3 NaSCN
Cs(s) + H2O(l) = CsO2 + H2 =>
Cs(s) + 2 H2O(l) = CsO2 + 2 H2
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