| Équations équilibrées la veille |
4 Br + BaCl2 = Ba(Br2)2 + 2 Cl
CaO + Cl2 = CaCl2 + Ca(ClO3)2 =>
6 CaO + 6 Cl2 = 5 CaCl2 + Ca(ClO3)2
C3H8N2O + C3H4O4 + CO2 = C8H12N4O3 + H2O =>
8 C3H8N2O + C3H4O4 + 5 CO2 = 4 C8H12N4O3 + 10 H2O
C6H3N3O7 + KOH = H2O + KC6H2N3O7 =>
C6H3N3O7 + KOH = H2O + KC6H2N3O7
Pb2H6 + O2 = Pb + H2O =>
2 Pb2H6 + 3 O2 = 4 Pb + 6 H2O
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
CH3CCH3CH3Br + NaOH = CH3CCH3CH3OH + NaBr =>
CH3CCH3CH3Br + NaOH = CH3CCH3CH3OH + NaBr
CuCl2 + KI = Cu + KCl + I2 =>
CuCl2 + 2 KI = Cu + 2 KCl + I2
MnO4{-} + ClO2{-} + H2O = MnO2 + OH{-} + ClO4{-} =>
4 MnO4{-} + 3 ClO2{-} + 2 H2O = 4 MnO2 + 4 OH{-} + 3 ClO4{-}
Cu + HNO3 = Cu(NO3) + H2 =>
2 Cu + 2 HNO3 = 2 Cu(NO3) + H2
H2MgO2 = MgOH2O =>
H2MgO2 = MgOH2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Ni + CuBr = NiBr2 + Cu =>
Ni + 2 CuBr = NiBr2 + 2 Cu
K2Cr2O7 + CH3OH = CO2 + H2O + K2Cr2O4 =>
K2Cr2O7 + CH3OH = CO2 + 2 H2O + K2Cr2O4
HgO + H3PO4 = Hg3(PO4)2 + H2O =>
3 HgO + 2 H3PO4 = Hg3(PO4)2 + 3 H2O
H3SbO3 + HCl = SbCl3 + H2O =>
H3SbO3 + 3 HCl = SbCl3 + 3 H2O
H2NCH2CH2COOH + O2 = CO2 + N2 + H2O =>
4 H2NCH2CH2COOH + 15 O2 = 12 CO2 + 2 N2 + 14 H2O
Hg(NO3)2 = O + NO2 + HgO =>
Hg(NO3)2 = O + 2 NO2 + HgO
MgCl2 + NH4NO3 = Mg(NO3)2 + NH4Cl =>
MgCl2 + 2 NH4NO3 = Mg(NO3)2 + 2 NH4Cl
FeCO3 + Na2(OH)3 = Na2CO3 + Fe(OH)3 =>
FeCO3 + Na2(OH)3 = Na2CO3 + Fe(OH)3
H2S(g) + Fe(OH)3 = Fe2S3 + H2O(g) =>
3 H2S(g) + 2 Fe(OH)3 = Fe2S3 + 6 H2O(g)
AgOH + Hg = Hg(OH)2 + Ag =>
2 AgOH + Hg = Hg(OH)2 + 2 Ag
H3PO4(aq) + AI(s) = H2(g) + AIPO4(aq) =>
2 H3PO4(aq) + 2 AI(s) = 3 H2(g) + 2 AIPO4(aq)
CuC2H3O2 + Li = LiC2H3O2 + Cu =>
CuC2H3O2 + Li = LiC2H3O2 + Cu
Na2(Co3) + Zn2 = Zn3(Co3)2 + Na =>
4 Na2(Co3) + 3 Zn2 = 2 Zn3(Co3)2 + 8 Na
Zn + Na2Cr2O7 + H2O = Zn(OH)2 + NaOH + Cr2O3 =>
3 Zn + Na2Cr2O7 + 4 H2O = 3 Zn(OH)2 + 2 NaOH + Cr2O3
KI + O2 + H2O = I + KOH =>
4 KI + O2 + 2 H2O = 4 I + 4 KOH
Mn2NO2 + BeCl2 = BeNO2 + Mn2Cl2 =>
Mn2NO2 + BeCl2 = BeNO2 + Mn2Cl2
AlPO4 + Ca(OH)2 = Al(OH)3 + Ca3 + PO4 =>
2 AlPO4 + 3 Ca(OH)2 = 2 Al(OH)3 + Ca3 + 2 PO4
HCO3 + K2(OH) = H2O + K2CO3 =>
HCO3 + K2(OH) = H2O + K2CO3
Na2Co4 + AgNo3 = Na2No3 + AgCo4 =>
Na2Co4 + AgNo3 = Na2No3 + AgCo4
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
MgI2 + Mn(SO4) = MgSO4 + Mn2I4 =>
2 MgI2 + 2 Mn(SO4) = 2 MgSO4 + Mn2I4
CuBr2(aq) + CaCl2(aq) = CuCl2(s) + CaBr2(s) =>
CuBr2(aq) + CaCl2(aq) = CuCl2(s) + CaBr2(s)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C5H11OH + Na2Cr2O7 = C5H10O + Cr + Na + OH =>
7 C5H11OH + 2 Na2Cr2O7 = 7 C5H10O + 4 Cr + 4 Na + 14 OH
KNO2 + H2SO4 = KHSO4 + NO + NO2 + H2O =>
2 KNO2 + 2 H2SO4 = 2 KHSO4 + NO + NO2 + H2O
Mg() + O() = MgO() =>
Mg() + O() = MgO()
MgO + SO3 = MgSO4 = MgSO4 =>
MgO + SO3 = MgSO4
CaCl2 + H2C2O4 + H2O = CaC2O4 + H3O + Cl =>
CaCl2 + H2C2O4 + 2 H2O = CaC2O4 + 2 H3O + 2 Cl
CuCl2 + KI = Cu + KCl + I2 =>
CuCl2 + 2 KI = Cu + 2 KCl + I2
H2SO3(aq) + NaOH(aq) = NaSO3(aq) + HOH2(l) =>
H2SO3(aq) + NaOH(aq) = NaSO3(aq) + HOH2(l)
FeSO4 + KMnO4 + KOH + H2O = Fe(OH)3 + MnO2 + K2SO4 =>
3 FeSO4 + KMnO4 + 5 KOH + 2 H2O = 3 Fe(OH)3 + MnO2 + 3 K2SO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
KNO3 + C6H12O6 = K2CO3 + H2O + N2 + CO2 =>
24 KNO3 + 5 C6H12O6 = 12 K2CO3 + 30 H2O + 12 N2 + 18 CO2
H2S + S2O2 = H2O + S =>
2 H2S + S2O2 = 2 H2O + 4 S
Pb + HCI = PbCI + H =>
Pb + HCI = PbCI + H
Al(s) + H2O(l) = Al2O3(s) + H2(g) =>
2 Al(s) + 3 H2O(l) = Al2O3(s) + 3 H2(g)
Al + NiBr2 = Al(Br2)3 + Ni =>
Al + 3 NiBr2 = Al(Br2)3 + 3 Ni
H2SO4 + Cu + H{+} = Cu{2+} + SO2 + H2O =>
H2SO4 + Cu + 2 H{+} = Cu{2+} + SO2 + 2 H2O
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