| Équations équilibrées la veille |
2 KMnO4 + 10 KBr + 8 H2SO4 = 5 Br2 + 6 K2SO4 + 8 H2O + 2 MnSO4
(CH3)2CO + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CH3COOH + H2O =>
10(CH3)2CO + 8 KMnO4 + 12 H2SO4 = 4 K2SO4 + 8 MnSO4 + 15 CH3COOH + 12 H2O
Fe2O3 + Fe = Fe3O4 =>
4 Fe2O3 + Fe = 3 Fe3O4
Ca(NO3)2 + Al = Ca + Al2(NO3)3 =>
3 Ca(NO3)2 + 4 Al = 3 Ca + 2 Al2(NO3)3
CuCl2 + KI = KCl + CuI2 =>
CuCl2 + 2 KI = 2 KCl + CuI2
Na2SnO2 + H2O = SnO2H2 + NaOH =>
Na2SnO2 + 2 H2O = SnO2H2 + 2 NaOH
K2J + H2SO4 = K2(SO4)3 + H2S + J2 + H2O =>
4 K2J + 15 H2SO4 = 4 K2(SO4)3 + 3 H2S + 2 J2 + 12 H2O
SO3 + H2O = (SO3)2O + H2 =>
2 SO3 + H2O = (SO3)2O + H2
CH3COHCH3 + H2O = CH3COOH + H =>
2 CH3COHCH3 + 4 H2O = 3 CH3COOH + 10 H
K2CO3 + Ca(C2H3O2)2 = K2(C2H3O2)2 + CaCO3 =>
K2CO3 + Ca(C2H3O2)2 = K2(C2H3O2)2 + CaCO3
ZnCl2 + NH4OH = Zn(OH)2 + (NH4)Cl =>
ZnCl2 + 2 NH4OH = Zn(OH)2 + 2(NH4)Cl
SCl + AgN3 = NS + Cl3Ag =>
3 SCl + AgN3 = 3 NS + Cl3Ag
C3H8O = C + H + O =>
C3H8O = 3 C + 8 H + O
C2H4Br + Pb + O2 = PbBr4 + CO2 + H2O =>
4 C2H4Br + Pb + 12 O2 = PbBr4 + 8 CO2 + 8 H2O
EDTA(aq) + Mn(aq) = Mn(EDTA)(s) =>
EDTA(aq) + Mn(aq) = Mn(EDTA)(s)
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
H3PO4 + NH3 = NH4 + H2PO4 =>
H3PO4 + NH3 = NH4 + H2PO4
HNO + NaOH = HOH + NaNO =>
HNO + NaOH = HOH + NaNO
Ne + NH3 = NeNH3 =>
Ne + NH3 = NeNH3
Cu(CH3COCHCOCH3)2 + O2 = CH3COCH3 + CuO + CO2 =>
3 Cu(CH3COCHCOCH3)2 + 8 O2 = 7 CH3COCH3 + 3 CuO + 9 CO2
AgNo3 + CaSO4 = Ag2SO4 + Ca(No3)2 =>
2 AgNo3 + CaSO4 = Ag2SO4 + Ca(No3)2
V2(HPO4)3 + Nb2(Cr2O7)5 + Nb2(SO4)5 + H3(PO4) = V2(SO4)7 + Cr2(HPO4)3 + Nb2(HPO4)5 + H2O =>
15 V2(HPO4)3 + 4 Nb2(Cr2O7)5 + 21 Nb2(SO4)5 + 140 H3(PO4) = 15 V2(SO4)7 + 20 Cr2(HPO4)3 + 25 Nb2(HPO4)5 + 140 H2O
HIO3 + H2PH2O2 = I2 + H3PO4 + H2O =>
2 HIO3 + 2 H2PH2O2 = I2 + 2 H3PO4 + 2 H2O
Cu2Cl + Zn = ZnCl + Cu =>
Cu2Cl + Zn = ZnCl + 2 Cu
ClO2 + Ba(OH)2 = Ba(ClO2)2 + Ba(ClO3)2 + H2O =>
4 ClO2 + 2 Ba(OH)2 = Ba(ClO2)2 + Ba(ClO3)2 + 2 H2O
CH2OHCHOHCH3 + CuO = C2H2O2 + Cu + H2O =>
2 CH2OHCHOHCH3 + 7 CuO = 3 C2H2O2 + 7 Cu + 5 H2O
Pb(s) + HNO3 = Pb(NO3)2 + H2 =>
Pb(s) + 2 HNO3 = Pb(NO3)2 + H2
Si + Fe2O3 = SiO2 + FeO =>
Si + 2 Fe2O3 = SiO2 + 4 FeO
Cu + HCl = CuCl6 + H =>
Cu + 6 HCl = CuCl6 + 6 H
K2CrO4 + AgNO3 = CrO4Ag2 + KNO3 =>
K2CrO4 + 2 AgNO3 = CrO4Ag2 + 2 KNO3
NiO + Fe = FeO + Ni =>
NiO + Fe = FeO + Ni
H2O(g) = H2(g) + O2(g) =>
2 H2O(g) = 2 H2(g) + O2(g)
C2H5NSCl + O2 = CO + H2O + N02 + SO2 + HCl =>
2 C2H5NSCl + 6 O2 = 4 CO + 4 H2O + N02 + 2 SO2 + 2 HCl
Rb2O + N2O5 = RbNO3 =>
Rb2O + N2O5 = 2 RbNO3
H2O2 + KBr = KBrO3 + H2O =>
3 H2O2 + KBr = KBrO3 + 3 H2O
FeSO4 + K3[Fe(CN)6] = Fe[Fe(CN)6] + K3SO4 =>
FeSO4 + K3[Fe(CN)6] = Fe[Fe(CN)6] + K3SO4
Li + Mg(OH)2 = Mg + Li(OH)2 =>
Li + Mg(OH)2 = Mg + Li(OH)2
NiS(s) + O2(g) = NiO(s) + SO2(g) =>
2 NiS(s) + 3 O2(g) = 2 NiO(s) + 2 SO2(g)
Li + Mg = Li2Mg =>
2 Li + Mg = Li2Mg
Pb(NO3)2 + CaOCl2 + H2SO4 = CaCl2 + PbO2 + SO3 + HNO3 =>
Pb(NO3)2 + CaOCl2 + H2SO4 = CaCl2 + PbO2 + SO3 + 2 HNO3
K2CrO7 + Zn + HCl = CrCl3 + ZnCl + KCl + H2O =>
K2CrO7 + 9 Zn + 14 HCl = CrCl3 + 9 ZnCl + 2 KCl + 7 H2O
K2Cr2O7 + H2SO4 + CaC2O4 = Cr2(SO4)3 + K2SO4 + CaSO4 + H2O + CO2 =>
K2Cr2O7 + 7 H2SO4 + 3 CaC2O4 = Cr2(SO4)3 + K2SO4 + 3 CaSO4 + 7 H2O + 6 CO2
Xe(g) + F2 = XeF6(s) =>
Xe(g) + 3 F2 = XeF6(s)
Ca(H)2 + H2O = Ca(OH)2 + H2 =>
Ca(H)2 + 2 H2O = Ca(OH)2 + 2 H2
Ba[Cd(OH)6] + H2SO4 = BaSO4 + Cd(OH)6 + H2 =>
Ba[Cd(OH)6] + H2SO4 = BaSO4 + Cd(OH)6 + H2
CH3CHNO2CH3 + H2 = CH3CH2NH2CH3 + O2 =>
2 CH3CHNO2CH3 + 3 H2 = 2 CH3CH2NH2CH3 + 2 O2
Es + CO2 = EsCO2 =>
Es + CO2 = EsCO2
H4SiO4 + NaOH = NaH3SiO4 + H2O =>
H4SiO4 + NaOH = NaH3SiO4 + H2O
Zn(s) + Al(NO3)3(aq) = Al + Zn(NO3) =>
3 Zn(s) + Al(NO3)3(aq) = Al + 3 Zn(NO3)
HO{-}CH2{-}CH2{-}OH = HO{-}CH2{-}CH = O + H + e{-} =>
HO{-}CH2{-}CH2{-}OH = HO{-}CH2{-}CH
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