| Équations équilibrées la veille |
3 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 11 H2O + 2 K2SO4
BaCl2(l) + Na2Co3(l) = BaCo3(s) + NaCl(aq) =>
BaCl2(l) + Na2Co3(l) = BaCo3(s) + 2 NaCl(aq)
C6H8O7 + NaOH = C6H5O7Na3 + H2O =>
C6H8O7 + 3 NaOH = C6H5O7Na3 + 3 H2O
FeCl3 + H2S = FeCl2 + HCl + S =>
2 FeCl3 + H2S = 2 FeCl2 + 2 HCl + S
HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g) =>
2 HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g)
AlBr3 + Ag2 = AgBr + Al =>
2 AlBr3 + 3 Ag2 = 6 AgBr + 2 Al
CH3CHO + Cu(OH)2 = CH3COOH + Cu2O + H2O =>
CH3CHO + 2 Cu(OH)2 = CH3COOH + Cu2O + 2 H2O
C4H9OH + HCl = C4H9Cl + H2O =>
C4H9OH + HCl = C4H9Cl + H2O
FeCl3 + H2S = FeCl2 + HCl + S =>
2 FeCl3 + H2S = 2 FeCl2 + 2 HCl + S
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
C2H5OOH(aq) + O2(g) = CO2 + H2O =>
2 C2H5OOH(aq) + 5 O2(g) = 4 CO2 + 6 H2O
(CH3)2C4H10 + O2 = CO2 + H2O =>
(CH3)2C4H10 + 10 O2 = 6 CO2 + 8 H2O
OF2 + SO2 = S2O5F2 =>
OF2 + 2 SO2 = S2O5F2
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Cu2O2 + HNO3 = Cu(NO3)2 + H2O =>
Cu2O2 + 4 HNO3 = 2 Cu(NO3)2 + 2 H2O
BaCl2 + KHSO4 = BaSO4 + KCl + HCl =>
BaCl2 + KHSO4 = BaSO4 + KCl + HCl
CH3Cl + HCOONa = CH3COOH + NaCl =>
CH3Cl + HCOONa = CH3COOH + NaCl
Kl + Br2 = Br2Kl =>
Kl + Br2 = Br2Kl
Al + H2SO4 = H2S + Al(SO4)3 + H2O =>
4 Al + 15 H2SO4 = 3 H2S + 4 Al(SO4)3 + 12 H2O
Pb2{+} + Cd = Pb + Cd2{+} =>
Pb2{+} + 2 Cd = 2 Pb + Cd2{+}
CH3CH2CH2CN + H2O + HCl = CH3CH2CH2COOH + NH4Cl =>
CH3CH2CH2CN + 2 H2O + HCl = CH3CH2CH2COOH + NH4Cl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C12H6O + H2O = C2H6O + CO2 =>
3 C12H6O + 30 H2O = 13 C2H6O + 10 CO2
CH3CHO + Cu(OH)2 + NaOH = CH3COONa + Cu2O + H2O =>
CH3CHO + 2 Cu(OH)2 + NaOH = CH3COONa + Cu2O + 3 H2O
NaHSO4 + CuSO4 = Na2SO4 + Cu(HSO4)2 =>
2 NaHSO4 + CuSO4 = Na2SO4 + Cu(HSO4)2
HCl + Ag2O = AgCl + H2O =>
2 HCl + Ag2O = 2 AgCl + H2O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2SO4 + Al(OH)3 = H2O + Al2(SO4)3 =>
3 H2SO4 + 2 Al(OH)3 = 6 H2O + Al2(SO4)3
AlBr3 + NaI = AlI3 + NaBr =>
AlBr3 + 3 NaI = AlI3 + 3 NaBr
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
Al + C = Al4C3 =>
4 Al + 3 C = Al4C3
MgI2 + AgNo3 = Mg(No3)2 + AgI =>
MgI2 + 2 AgNo3 = Mg(No3)2 + 2 AgI
NH3(aq) + Cu(NO3)2(aq) = Cu(NH3)4(NO3)2(aq) =>
4 NH3(aq) + Cu(NO3)2(aq) = Cu(NH3)4(NO3)2(aq)
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Cu2S + SO2 = CuSO4 + S =>
Cu2S + 4 SO2 = 2 CuSO4 + 3 S
KClO + P2O3 = KCl + P2O5 =>
2 KClO + P2O3 = 2 KCl + P2O5
CuSO4(ac) + Zn(NO3)2(ac) = Cu(NO3)2(ac) + ZnSO4(ac) =>
CuSO4(ac) + Zn(NO3)2(ac) = Cu(NO3)2(ac) + ZnSO4(ac)
C6H5NO2 + Al + HBr = C6H5NH3Br + AlBr3 + H2O =>
C6H5NO2 + 2 Al + 7 HBr = C6H5NH3Br + 2 AlBr3 + 2 H2O
C6H4(OH)COONa + H2SO4 = C6H4(OH)COOH + NaHSO4 =>
C6H4(OH)COONa + H2SO4 = C6H4(OH)COOH + NaHSO4
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
K2Cr2O7 + H2SO4 + Na2SO3 = Cr2(SO4)3 + Na2SO4 + H2O + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 3 Na2SO3 = Cr2(SO4)3 + 3 Na2SO4 + 4 H2O + K2SO4
KMnO4(aq) + Na2SO3(aq) + H2SO4(aq) = MnSO4(aq) + Na2SO4(aq) + K2SO4(aq) + H2O(l) =>
2 KMnO4(aq) + 5 Na2SO3(aq) + 3 H2SO4(aq) = 2 MnSO4(aq) + 5 Na2SO4(aq) + K2SO4(aq) + 3 H2O(l)
HCl(aq) + NaHSO3(s) = NaCl + SO2 + H2O =>
HCl(aq) + NaHSO3(s) = NaCl + SO2 + H2O
BaCl2 + HNo3 = Ba(No3)2 + HCl =>
BaCl2 + 2 HNo3 = Ba(No3)2 + 2 HCl
Pb(OH)4 + P2O5 = Pb3(PO4)4 + H2O =>
3 Pb(OH)4 + 2 P2O5 = Pb3(PO4)4 + 6 H2O
C8H1803 + O2 = CO2 + H2O =>
4 C8H1803 + 1835 O2 = 32 CO2 + 3606 H2O
NH4PO4 + MgSO4 = NH4SO4 + MgPO4 =>
NH4PO4 + MgSO4 = NH4SO4 + MgPO4
C2H6 = C2H2 + H2 =>
C2H6 = C2H2 + 2 H2
*ZnS + O2 = ZnO + SO2 =>
2*ZnS + 3 O2 = 2 ZnO + 2 SO2
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