| Équations équilibrées la veille | Équations équilibrées le lendemain |
HCl + KF = HF + KCl
Zn(s) + CuSO4(aq) = Cu(s) + ZnSO4(aw) =>
Zn(s) + CuSO4(aq) = Cu(s) + ZnSO4(aw)
MgSO4 + H3PO4 = Mg3(PO4)2 + H2SO4 =>
3 MgSO4 + 2 H3PO4 = Mg3(PO4)2 + 3 H2SO4
Fe + Zn(NO3)2 = Fe(NO3)2 + Zn =>
Fe + Zn(NO3)2 = Fe(NO3)2 + Zn
H{+} + [Pb(OH)3]{-} + H2O2 = PbO2 + H2O =>
H{+} + [Pb(OH)3]{-} + H2O2 = PbO2 + 3 H2O
BCl3 + C2H5OH = B(OC2H5)3 + HCl =>
BCl3 + 3 C2H5OH = B(OC2H5)3 + 3 HCl
Cr2O7{2-} + H{+} + C2O4{2-} = Cr{3+} + CO2 + H2O =>
Cr2O7{2-} + 14 H{+} + 3 C2O4{2-} = 2 Cr{3+} + 6 CO2 + 7 H2O
CaS(s) + HBr(aq) = CaBr(s) + HS(aq) =>
CaS(s) + HBr(aq) = CaBr(s) + HS(aq)
H2SO4 + Mn(OH)7 = H2O + Mn2(SO4)7 =>
7 H2SO4 + 2 Mn(OH)7 = 14 H2O + Mn2(SO4)7
AluminumNitrate + PotassiumIodide = AluminumIodide + PotassiumNitrate =>
AluminumNitrate + PotassiumIodide = AluminumIodide + PotassiumNitrate
C2 + S = SC =>
C2 + 2 S = 2 SC
CH3CH2CH2Cl + Na = CH3CH2CH2CH2CH2CH3 + NaCl =>
2 CH3CH2CH2Cl + 2 Na = CH3CH2CH2CH2CH2CH3 + 2 NaCl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CuO2 + Fe = FeO2 + Cu =>
CuO2 + Fe = FeO2 + Cu
CaO2H2 = CaO + H2O =>
CaO2H2 = CaO + H2O
K2CrO4 + NaOH + Na2S + H2O = K3[Cr(OH)6] + Na2SO4 + Na3[Cr(OH)6] =>
24 K2CrO4 + 24 NaOH + 9 Na2S + 60 H2O = 16 K3[Cr(OH)6] + 9 Na2SO4 + 8 Na3[Cr(OH)6]
MnO2(cr) + HCl(aq) = MnCl2(aq) + Cl2 + H2O(l) =>
MnO2(cr) + 4 HCl(aq) = MnCl2(aq) + Cl2 + 2 H2O(l)
Mn{2+} + Sn{2+} = Mn{5+} + Sn =>
2 Mn{2+} + 3 Sn{2+} = 2 Mn{5+} + 3 Sn
KMnO4 + KCI + H2SO4 = MnSO4 + CI + K2SO4 + H2O =>
KMnO4 + 5 KCI + 4 H2SO4 = MnSO4 + 5 CI + 3 K2SO4 + 4 H2O
Mg2 + HNO3 = Mg(NO3)2 + H2O + N2O =>
2 Mg2 + 10 HNO3 = 4 Mg(NO3)2 + 5 H2O + N2O
BCl3(g) + H2O(l) = H3BO3(s) + HCl(g) =>
BCl3(g) + 3 H2O(l) = H3BO3(s) + 3 HCl(g)
Zn + Au(NO3)3 = Zn(NO3)2 + Au =>
3 Zn + 2 Au(NO3)3 = 3 Zn(NO3)2 + 2 Au
C2H8 + O2 = CO2 + H2O =>
C2H8 + 4 O2 = 2 CO2 + 4 H2O
ZnO = O2 + Zn =>
2 ZnO = O2 + 2 Zn
Fe + CuSO4 = CuSO4Fe =>
Fe + CuSO4 = CuSO4Fe
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
Ca + H2O = Ca(OH)20 + H2 =>
Ca + 20 H2O = Ca(OH)20 + 10 H2
(NH4)2SO4 + AgSO3 = NH4SO3 + Ag2SO4 =>
(NH4)2SO4 + 2 AgSO3 = 2 NH4SO3 + Ag2SO4
CuSO4 + NaHCO3 = Cu2(OH)2CO3 + Na2SO4 + CO2 + H2O =>
2 CuSO4 + 4 NaHCO3 = Cu2(OH)2CO3 + 2 Na2SO4 + 3 CO2 + H2O
Mg(OH)2 + Al(OH)3 + SiO2 = Mg5Al2Si3O10(OH)8 + H2O =>
5 Mg(OH)2 + 2 Al(OH)3 + 3 SiO2 = Mg5Al2Si3O10(OH)8 + 4 H2O
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
NaOH + (CH3O)2SO2 = CH3OH + Na2SO4 =>
2 NaOH + (CH3O)2SO2 = 2 CH3OH + Na2SO4
Ca + H2SO4 = CaSO4 + H2 = =>
Ca + H2SO4 = CaSO4 + H2
NH4Cl + Ba(OH)2 = NH3 + BaCl2 + H2O =>
2 NH4Cl + Ba(OH)2 = 2 NH3 + BaCl2 + 2 H2O
K + HOH = KH + HO =>
K + HOH = KH + HO
BaBr + FeNO3 = BaNO3 + FeBr =>
BaBr + FeNO3 = BaNO3 + FeBr
Pb(SO3) + H2SO4 = Pb(SO4) + H2O + SO2 =>
Pb(SO3) + H2SO4 = Pb(SO4) + H2O + SO2
C27H48O20 + H2O = C6H12O2 + O2 =>
2 C27H48O20 + 6 H2O = 9 C6H12O2 + 14 O2
SiH4 = Si + H2 =>
SiH4 = Si + 2 H2
CO2 + H2 = CH3OH + O2 =>
2 CO2 + 4 H2 = 2 CH3OH + O2
FeS2 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
2 FeS2 + 6 KMnO4 + 8 H2SO4 = 3 K2SO4 + 6 MnSO4 + Fe2(SO4)3 + 8 H2O
CuO + NH4 = Cu + N2 + H2O =>
4 CuO + 2 NH4 = 4 Cu + N2 + 4 H2O
LiNO3 + Fe(NO3)3 = Li(NO3)3 + Fe(NO3)2 =>
LiNO3 + 2 Fe(NO3)3 = Li(NO3)3 + 2 Fe(NO3)2
PtCl2(NH3)2 + AgNO3 + H2O = Pt(H2O)2(NH3)2 + NO3 + AgCl =>
PtCl2(NH3)2 + 2 AgNO3 + 2 H2O = Pt(H2O)2(NH3)2 + 2 NO3 + 2 AgCl
Ba(CO3) + HCl = BaCl2 + H2O + CO2 =>
Ba(CO3) + 2 HCl = BaCl2 + H2O + CO2
C3H6(s) + O2(g) = CO2(g) + H2O(l) =>
2 C3H6(s) + 9 O2(g) = 6 CO2(g) + 6 H2O(l)
C2H2O4 = C2O4 + H =>
C2H2O4 = C2O4 + 2 H
Ag + Au(NO3)3 = Au + AgNO3 =>
3 Ag + Au(NO3)3 = Au + 3 AgNO3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
KHSO4 + H2O + CO2 = K2CO3 + H2SO4 =>
2 KHSO4 + H2O + CO2 = K2CO3 + 2 H2SO4
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Équations équilibrées sur12/22/24
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