| Équations équilibrées la veille |
Zn + CuS = ZnS + Cu
As2O3(s) + H2(g) = As(s) + H2O(l) =>
As2O3(s) + 3 H2(g) = 2 As(s) + 3 H2O(l)
Ca(CO3) + HNO3 = Ca(NO3)2 + H2CO3 =>
Ca(CO3) + 2 HNO3 = Ca(NO3)2 + H2CO3
CH4Br + NaOH = NaBr + CH4OH =>
CH4Br + NaOH = NaBr + CH4OH
HSO4{-} + H{+} = H2SO4 =>
HSO4{-} + H{+} = H2SO4
Mn(OH)2 + KMnO4 = K2MnO4 + MnO2 + H2O =>
2 Mn(OH)2 + 2 KMnO4 = K2MnO4 + 3 MnO2 + 2 H2O
PB(NO3)2(aq) + Na2SO4(aq) = PBSO4(s) + NaNO3(aq) =>
PB(NO3)2(aq) + Na2SO4(aq) = PBSO4(s) + 2 NaNO3(aq)
Cu(SO4)2 + NH3 + H2O = [Cu(NH3)4(H2O)2] + SO4 =>
Cu(SO4)2 + 4 NH3 + 2 H2O = [Cu(NH3)4(H2O)2] + 2 SO4
H2CO + K2CrO7 + H2SO4 = CH2O2 + H2O + K2SO4 + CrSO4 =>
5 H2CO + K2CrO7 + 2 H2SO4 = 5 CH2O2 + 2 H2O + K2SO4 + CrSO4
sodium + water = hydrogen + sodiumhydroxide =>
2 Na + 2 H2O = H2 + 2 NaOH
H3BO3 + CH3OH = (CH3)3BO3 + H2O =>
H3BO3 + 3 CH3OH = (CH3)3BO3 + 3 H2O
Mn(OH)2 + HCl = MnCl2 + H2O =>
Mn(OH)2 + 2 HCl = MnCl2 + 2 H2O
Zn + NaNO3 + NaOH + H2O = Na2Zn(OH)4 + NH3 =>
4 Zn + NaNO3 + 7 NaOH + 6 H2O = 4 Na2Zn(OH)4 + NH3
N2O4 + N2H4 = N + H2O =>
N2O4 + 2 N2H4 = 6 N + 4 H2O
Si + Ca(OH)2 + NaOH = NaSiO3 + H2 + CaO =>
2 Si + 4 Ca(OH)2 + 2 NaOH = 2 NaSiO3 + 5 H2 + 4 CaO
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Al + H2SO4 + H2O = Al2(SO4)3*16H2O + H2 =>
2 Al + 3 H2SO4 + 16 H2O = Al2(SO4)3*16H2O + 3 H2
NH3 + HCI = NH4CI =>
NH3 + HCI = NH4CI
Na2U2O7 + Na2C2O4 + H2O = Na4[UO2(C2O4)3] + NaOH =>
Na2U2O7 + 6 Na2C2O4 + 3 H2O = 2 Na4[UO2(C2O4)3] + 6 NaOH
MgS + O2 = MgO + SO2 =>
2 MgS + 3 O2 = 2 MgO + 2 SO2
C13H28 + O2 = CO + H2O =>
2 C13H28 + 27 O2 = 26 CO + 28 H2O
HN3(g) = N2(g) + H2(g) =>
2 HN3(g) = 3 N2(g) + H2(g)
NH4 + H2O = NH4OH + H =>
NH4 + H2O = NH4OH + H
Cu + Ag(NO3)3 = Ag + Cu(NO3)2 =>
3 Cu + 2 Ag(NO3)3 = 2 Ag + 3 Cu(NO3)2
P2O5 + BaO = Ba3(PO4)2 =>
P2O5 + 3 BaO = Ba3(PO4)2
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
C6H6 + HCI = C6H5CI + H2 =>
C6H6 + HCI = C6H5CI + H2
S2O3{-2} + Cl2 + H2O = SO4{-2} + Cl{-} + H{+} =>
S2O3{-2} + 4 Cl2 + 5 H2O = 2 SO4{-2} + 8 Cl{-} + 10 H{+}
CH3CH2H + O2 = CO2 + H2O =>
2 CH3CH2H + 7 O2 = 4 CO2 + 6 H2O
Rb2O = Rb + O =>
Rb2O = 2 Rb + O
Si + Ca(OH)2 + NaOH = NaSiO3 + H2 + CaO =>
2 Si + 4 Ca(OH)2 + 2 NaOH = 2 NaSiO3 + 5 H2 + 4 CaO
Be + HI = BeI2 + H2 =>
Be + 2 HI = BeI2 + H2
Ca(HCO3)2 = CaO + H2O + CO2 =>
Ca(HCO3)2 = CaO + H2O + 2 CO2
Ag2S + O2 = Ag2O + SO2 =>
2 Ag2S + 3 O2 = 2 Ag2O + 2 SO2
K + SiO3 = KSiO3 =>
K + SiO3 = KSiO3
CS2 + KMnO4 + KOH = S + MnO2 + K2CO3 + H2O =>
3 CS2 + 4 KMnO4 + 2 KOH = 6 S + 4 MnO2 + 3 K2CO3 + H2O
HNO2 + K2Cr2O7 + H2SO4 = HNO3 + K2SO4 + Cr2(SO4)3 + H2O =>
3 HNO2 + K2Cr2O7 + 4 H2SO4 = 3 HNO3 + K2SO4 + Cr2(SO4)3 + 4 H2O
Cr(OH)3{-} + OH{-} + H2O2 = CrO4{-2} + H2O =>
Cr(OH)3{-} + OH{-} + 2 H2O2 = CrO4{-2} + 4 H2O
Fe2(SO4)3 + BaCl2 = FeCl3 + BaSO4 =>
Fe2(SO4)3 + 3 BaCl2 = 2 FeCl3 + 3 BaSO4
Pb(NO3)2 + MgSO4 = PbSO4 + Mg(NO3)2 =>
Pb(NO3)2 + MgSO4 = PbSO4 + Mg(NO3)2
Ba + HCl = BaCl2 + H2 =>
Ba + 2 HCl = BaCl2 + H2
Fe{2+} + Br2 = Fe{3+} + Br{-} =>
2 Fe{2+} + Br2 = 2 Fe{3+} + 2 Br{-}
C3H8 + KMnO4 = CO2 + H2O + MnO2 + KOH =>
3 C3H8 + 20 KMnO4 = 9 CO2 + 2 H2O + 20 MnO2 + 20 KOH
Si + HNO3 + HF = H2SiF6 + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2SiF6 + 4 NO + 8 H2O
C + H2O = CO + H2 =>
C + H2O = CO + H2
BaCO3 + H3O{+} = Ba{2+} + HCO3{-} + H2O =>
BaCO3 + H3O{+} = Ba{2+} + HCO3{-} + H2O
FeCuS2 + O2 = Fe2O3 + SO2 + CuO =>
4 FeCuS2 + 13 O2 = 2 Fe2O3 + 8 SO2 + 4 CuO
C6N6FeK4 + PbO2 + HCl = KCl + FeCl3 + PbCl2 + CO2 + HNO3 + H2O =>
2 C6N6FeK4 + 61 PbO2 + 136 HCl = 8 KCl + 2 FeCl3 + 61 PbCl2 + 12 CO2 + 12 HNO3 + 62 H2O
C5H11OH + KMnO4 + H2SO4 = C4H9COOH + K2SO4 + MnSO4 + H2O =>
5 C5H11OH + 4 KMnO4 + 6 H2SO4 = 5 C4H9COOH + 2 K2SO4 + 4 MnSO4 + 11 H2O
AlF3 + CaSO4 = Al2(SO4)3 + CaF2 =>
2 AlF3 + 3 CaSO4 = Al2(SO4)3 + 3 CaF2
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