| Équations équilibrées la veille | Équations équilibrées le lendemain |
ZnBr2 + 2 AgNO3 = 2 AgBr + Zn(NO3)2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
ZnBr2 + AgNO3 = AgBr + Zn(NO3)2 =>
ZnBr2 + 2 AgNO3 = 2 AgBr + Zn(NO3)2
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
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
Sb + O2 = Sb2O5 =>
4 Sb + 5 O2 = 2 Sb2O5
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
Cu(NH3)4 + HCl + H2O = NH4Cl + Cu(H2O)6 =>
Cu(NH3)4 + 4 HCl + 6 H2O = 4 NH4Cl + Cu(H2O)6
AgNO3 + NH4SCn = AgSCn + NH4NO3 =>
AgNO3 + NH4SCn = AgSCn + NH4NO3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Br2 + CaCl2 = CaBr2 + Cl2 =>
Br2 + CaCl2 = CaBr2 + Cl2
Pb + ZnCl2 = Pb(ZnCl2)2 =>
Pb + 2 ZnCl2 = Pb(ZnCl2)2
MnO4{-} + OH{-} + SO3{2-} = SO4{2-} + H2O + MnO4{2-} =>
2 MnO4{-} + 2 OH{-} + SO3{2-} = SO4{2-} + H2O + 2 MnO4{2-}
Li + Al2(HPO3)3 = Li2(HPO3) + Al =>
6 Li + Al2(HPO3)3 = 3 Li2(HPO3) + 2 Al
Al(NO3)3(aq) + Na2C2O4(aq) = Al2(C2O4)3 + NaNO3 =>
2 Al(NO3)3(aq) + 3 Na2C2O4(aq) = Al2(C2O4)3 + 6 NaNO3
NH4Cl + KOH = KCl + NH4OH = KCl + H2O + NH3 =>
NH4Cl + KOH = KCl + NH4OH
KMnO4 + FeSO + H2SO4 = K2SO4 + Fe2(SO4)3 + MnSO + H2O =>
14 KMnO4 + 22 FeSO + 32 H2SO4 = 7 K2SO4 + 11 Fe2(SO4)3 + 14 MnSO + 32 H2O
HCOHNa(OH) = H2ONaCOH =>
HCOHNa(OH) = H2ONaCOH
V2W2C3F2 = WC + V6C5 + VF3 + V =>
15 V2W2C3F2 = 30 WC + 3 V6C5 + 10 VF3 + 2 V
S + Cl2 = SCl6 =>
S + 3 Cl2 = SCl6
H2SO4 + Ba = BaSO4 + H =>
H2SO4 + Ba = BaSO4 + 2 H
KCIO3 = KCIO4 + KCI = =>
4 KCIO3 = 3 KCIO4 + KCI
Mg + CuSO4 = Mg2SO4 + Cu2 =>
4 Mg + 2 CuSO4 = 2 Mg2SO4 + Cu2
Zn + Fe(NO3)3 = Fe + Zn(NO3)2 =>
3 Zn + 2 Fe(NO3)3 = 2 Fe + 3 Zn(NO3)2
BaCl2 + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 BaCl2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
Zn + C9H7NO = Zn(C9H7NO)2 =>
Zn + 2 C9H7NO = Zn(C9H7NO)2
CH3CH2OH + Na2CO3 + Na2SO4 = Na3SO4 + CH3COOH + H2O =>
3 CH3CH2OH + 2 Na2CO3 + 4 Na2SO4 = 4 Na3SO4 + 4 CH3COOH + H2O
HCl + CO2 = HClO2 + C =>
HCl + CO2 = HClO2 + C
Fe(NO3)2 = Fe2O3 + NO2 + O2 =>
4 Fe(NO3)2 = 2 Fe2O3 + 8 NO2 + O2
Pb(NO3)2 + K4(Fe(CN)6) = Pb2Fe(CN)6 + KNO3 =>
2 Pb(NO3)2 + K4(Fe(CN)6) = Pb2Fe(CN)6 + 4 KNO3
Al + KOH + H2C2O4(H2O)2 = K3[Al(C2O4)3](H2O)3 + H2O + H2 =>
2 Al + 6 KOH + 6 H2C2O4(H2O)2 = 2 K3[Al(C2O4)3](H2O)3 + 12 H2O + 3 H2
Zn + Fe(NO3)3 = Fe + Zn(NO3)2 =>
3 Zn + 2 Fe(NO3)3 = 2 Fe + 3 Zn(NO3)2
P4 + Ba(OH)2 + H2O = PH3 + Ba(HPO3) =>
P4 + 2 Ba(OH)2 + 2 H2O = 2 PH3 + 2 Ba(HPO3)
MeO + H2O = Me(OH)2 =>
MeO + H2O = Me(OH)2
C7H13OH + O2 = CO2 + H2O =>
C7H13OH + 10 O2 = 7 CO2 + 7 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Fe(NO3)2 = Fe2O3 + NO2 + O2 =>
4 Fe(NO3)2 = 2 Fe2O3 + 8 NO2 + O2
CH3CO2H + Ni(OH)2 = Ni(CH3CO2)2 + H2O =>
2 CH3CO2H + Ni(OH)2 = Ni(CH3CO2)2 + 2 H2O
Zn + Fe(NO3)3 = Fe + Zn(NO3)2 =>
3 Zn + 2 Fe(NO3)3 = 2 Fe + 3 Zn(NO3)2
Ni(NO3)2 + MgO + H2O = Ni(OH)2 + Mg(NO3)2 =>
Ni(NO3)2 + MgO + H2O = Ni(OH)2 + Mg(NO3)2
HClO2 + Mn(OH)2 = Mn(ClO2)2 + H2O =>
2 HClO2 + Mn(OH)2 = Mn(ClO2)2 + 2 H2O
LiOH + K = KOH + Li =>
LiOH + K = KOH + Li
C4H9OH + CH3COOH = CH3COOC4H9OH + H2O =>
7 C4H9OH + 10 CH3COOH = 8 CH3COOC4H9OH + 3 H2O
Si(s) + (S) = Si2S4(s) =>
2 Si(s) + 4(S) = Si2S4(s)
NaI + Cl2 = NaCl + I =>
2 NaI + Cl2 = 2 NaCl + 2 I
CaBr3 + CaSO4 = CaBr + Ca2(SO4)3 =>
CaBr3 + 6 CaSO4 = 3 CaBr + 2 Ca2(SO4)3
CH3(CH2)OH + O2 = CO2 + H2O =>
CH3(CH2)OH + 3 O2 = 2 CO2 + 3 H2O
K2O + Cu(C2H3O2)2 = CuO + KC2H3O2 =>
K2O + Cu(C2H3O2)2 = CuO + 2 KC2H3O2
MnO2 + H2SO4 + Na2SO3 = MnSO4 + Na2SO4 + H2O =>
MnO2 + H2SO4 + Na2SO3 = MnSO4 + Na2SO4 + H2O
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