| Équations équilibrées la veille |
4 Al3C4 + 33 O2 = 6 Al2O3 + 16 CO3
Ba(NO3)2 + Sr = Ba + Sr(NO3)2 =>
Ba(NO3)2 + Sr = Ba + Sr(NO3)2
NH4H2PO4 + Eu2O3 = EuPO4 + NH3 + H2O =>
2 NH4H2PO4 + Eu2O3 = 2 EuPO4 + 2 NH3 + 3 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
PBr3 + F2 = Br2 + PF5 =>
2 PBr3 + 5 F2 = 3 Br2 + 2 PF5
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
HO + H = HOH =>
HO + H = HOH
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
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
P6 + S = P6S10 =>
P6 + 10 S = P6S10
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Fe + MgS = Fe2S3 + Mg =>
2 Fe + 3 MgS = Fe2S3 + 3 Mg
C2H5OH(l) + O2(g) = CO2(s) + H2O(l) =>
C2H5OH(l) + 3 O2(g) = 2 CO2(s) + 3 H2O(l)
AsTe3 + FeH3 = AsH3 + FeTe3 =>
AsTe3 + FeH3 = AsH3 + FeTe3
C10H20 + Br2 = C10H16Br2 + HBr =>
C10H20 + 3 Br2 = C10H16Br2 + 4 HBr
Al2S3 + Ca = CaS + Al =>
Al2S3 + 3 Ca = 3 CaS + 2 Al
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Fe + AgNO3 = Fe(NO3)3 + Ag =>
Fe + 3 AgNO3 = Fe(NO3)3 + 3 Ag
PO4{3-} + FeSO4 = SO4{2-} + Fe3(PO4)2 =>
2 PO4{3-} + 3 FeSO4 = 3 SO4{2-} + Fe3(PO4)2
AgF + ZnCl2 = AgCl + ZnF2 =>
2 AgF + ZnCl2 = 2 AgCl + ZnF2
Mo + I2 = MoI2 =>
Mo + I2 = MoI2
CH3CHOHCH3 + Cr2O72{-} + H{+} = CH3COCH3 + Cr3{+} + H2O =>
427 CH3CHOHCH3 + 6 Cr2O72{-} + 10 H{+} = 427 CH3COCH3 + 4 Cr3{+} + 432 H2O
Ni + HNO3 = N2 + Ni(NO3)2 + H2O =>
5 Ni + 12 HNO3 = N2 + 5 Ni(NO3)2 + 6 H2O
KOH + NH4SO4 = NH3 + KSO4 + H2O =>
KOH + NH4SO4 = NH3 + KSO4 + H2O
H2SnCl6 + NaOH = NaCl + SnO2*3H2O + H2O =>
H2SnCl6 + 6 NaOH = 6 NaCl + SnO2*3H2O + H2O
CH3CH2OH + HCl = CH3CH2O + H2Cl =>
CH3CH2OH + HCl = CH3CH2O + H2Cl
(NH3OH)Cl + Na2CO3(s) = NaCl + H2O + CO2(g) + H3NO =>
2(NH3OH)Cl + Na2CO3(s) = 2 NaCl + H2O + CO2(g) + 2 H3NO
Fe2O3 + OCl{-} + OH{-} = FeO4{2-} + Cl{-} + H2O =>
Fe2O3 + 3 OCl{-} + 4 OH{-} = 2 FeO4{2-} + 3 Cl{-} + 2 H2O
Au + AgNO3 = AuNO3 + Ag =>
Au + AgNO3 = AuNO3 + Ag
H2C2O4 + KMnO4 = K2CO3 + MnO2 + H2O + CO2 =>
3 H2C2O4 + 2 KMnO4 = K2CO3 + 2 MnO2 + 3 H2O + 5 CO2
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
HNo3 + Li2CO3 = LiNo3 + CO2 + H2O =>
2 HNo3 + Li2CO3 = 2 LiNo3 + CO2 + H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
HC2H3O2(aq) + Ca(OH)2(aq) = H2O(aq) + Ca(C2H3O2)2 =>
2 HC2H3O2(aq) + Ca(OH)2(aq) = 2 H2O(aq) + Ca(C2H3O2)2
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