| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Br + Na2CO3 = K2CO3 + Na2Br
C9H20 + O2 = CO + H2O =>
2 C9H20 + 19 O2 = 18 CO + 20 H2O
Ce(OH)2 = CeO + H2O =>
Ce(OH)2 = CeO + H2O
MgCl2Mg(OH)2 = Mg(OH)Cl =>
MgCl2Mg(OH)2 = 2 Mg(OH)Cl
Ag + CuCO3 = Cu + Ag2CO3 =>
2 Ag + CuCO3 = Cu + Ag2CO3
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Cu2NO3 + KSO4 = Cu2SO4 + KNO3 =>
Cu2NO3 + KSO4 = Cu2SO4 + KNO3
SnS2 + KOH = K2SnS3 + K2SnO3 + H2O =>
3 SnS2 + 6 KOH = 2 K2SnS3 + K2SnO3 + 3 H2O
NH3 + O2 = NHO + H2O =>
NH3 + O2 = NHO + H2O
NO + H2O = H3O + NO2 =>
NO + 3 H2O = 2 H3O + NO2
SO2 + H2O = O2 + H2S =>
2 SO2 + 2 H2O = 3 O2 + 2 H2S
H2SO4 + KMnO4 + K2C2O4 = K2SO4 + MnSO4 + H2O + CO2 =>
8 H2SO4 + 2 KMnO4 + 5 K2C2O4 = 6 K2SO4 + 2 MnSO4 + 8 H2O + 10 CO2
Mn + O4 = MnO4 =>
Mn + O4 = MnO4
Ni + NaClO4 + H2O = NaClO2 + Ni(OH)2 =>
2 Ni + NaClO4 + 2 H2O = NaClO2 + 2 Ni(OH)2
Cr{+3} + MnO2 + H2O = HCrO4{-} + Mn{+2} + H{+} =>
2 Cr{+3} + 3 MnO2 + 2 H2O = 2 HCrO4{-} + 3 Mn{+2} + 2 H{+}
P2S5(s) + PCl5(s) = PSCl3(g) =>
P2S5(s) + 3 PCl5(s) = 5 PSCl3(g)
CO = C + CO2 =>
2 CO = C + CO2
Hg + NH2CH2COOH = (NH2CH2COO)2Hg + H2 =>
Hg + 2 NH2CH2COOH = (NH2CH2COO)2Hg + H2
C6H12O6 + NH4OH = C8H11O3N + CO2 + H2O =>
17 C6H12O6 + 12 NH4OH = 12 C8H11O3N + 6 CO2 + 66 H2O
BiO{-}3 + Cr3{+} + H{+} = Cr2O7 + Bi3{+} + H2O =>
60 BiO{-}3 + 2 Cr3{+} + 78 H{+} = 3 Cr2O7 + 20 Bi3{+} + 39 H2O
Na + H2SO4 = Na2HSO4 + H2 =>
4 Na + 2 H2SO4 = 2 Na2HSO4 + H2
CeO2 + H{+} + {-} = Ce(OH) + H2O =>
CeO2 + 3 H{+} + 3e = Ce(OH) + H2O
NaI + Pb(SO4)2 = PbI4 + Na2SO4 =>
4 NaI + Pb(SO4)2 = PbI4 + 2 Na2SO4
C6H6 + HO3N = C6NO2H5 + H2O =>
C6H6 + HO3N = C6NO2H5 + H2O
Mg(C2H3O2)2(aq) + (NH4)3AsO4(aq) = Mg3(AsO4)2(s) + NH4C2H3O2(aq) =>
3 Mg(C2H3O2)2(aq) + 2(NH4)3AsO4(aq) = Mg3(AsO4)2(s) + 6 NH4C2H3O2(aq)
Ba + HI = BaI + H2 =>
2 Ba + 2 HI = 2 BaI + H2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
bariumnitrate + sodiumsulfate = sodiumnitrate + bariumsulfate =>
Ba(NO3)2 + Na2SO4 = 2 NaNO3 + BaSO4
KCO3 + MgBr2 = KBr2 + MgCO3 =>
KCO3 + MgBr2 = KBr2 + MgCO3
Hg + HClO4 = Hg(ClO4) + ClO2 + H2O =>
3 Hg + 4 HClO4 = 3 Hg(ClO4) + ClO2 + 2 H2O
Cu + H2SO4 = (Cu)2SO4 + H2O + SO2 =>
2 Cu + 2 H2SO4 = (Cu)2SO4 + 2 H2O + SO2
K(OH) + CO2 = KHCO3 =>
K(OH) + CO2 = KHCO3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
KOH + CH3COOH = KH + H2O + CO =>
2 KOH + CH3COOH = 2 KH + 2 H2O + 2 CO
KMnO4 + HCl + CH3OH = MnCl2 + CO2 + KCl + H2O =>
6 KMnO4 + 18 HCl + 5 CH3OH = 6 MnCl2 + 5 CO2 + 6 KCl + 19 H2O
MnCl2(aq) + Na3PO4(aq) = Mn3(PO4)2(s) + NaCl(aq) =>
3 MnCl2(aq) + 2 Na3PO4(aq) = Mn3(PO4)2(s) + 6 NaCl(aq)
Fe + HNO3 = Fe(NO3)3 + H2 =>
2 Fe + 6 HNO3 = 2 Fe(NO3)3 + 3 H2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
K2CO3 + H2SO4 = H2CO3 + K2SO4 =>
K2CO3 + H2SO4 = H2CO3 + K2SO4
C2H4O2 + HClO4 = CO2 + H2O + HCl =>
C2H4O2 + HClO4 = 2 CO2 + 2 H2O + HCl
CH3COONa + KOH = CH3COOK + NaOH =>
CH3COONa + KOH = CH3COOK + NaOH
H3PO4(aq) + LiOH(s) = H3OH(l) + LiPO4(aq) =>
H3PO4(aq) + LiOH(s) = H3OH(l) + LiPO4(aq)
K3[Cr(OH)6] + KOH + Cl2 = K3CrO4 + KCl + H2O =>
K3[Cr(OH)6] + 2 KOH + Cl2 = K3CrO4 + 2 KCl + 4 H2O
Cr(OH)4{-} + H2O2 + OH{-} = CrO4{2-} + H2O =>
2 Cr(OH)4{-} + 3 H2O2 + 2 OH{-} = 2 CrO4{2-} + 8 H2O
Fe + S = FeS =>
Fe + S = FeS
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
HCl + C20H14O4 + NaOH = NaCl + H3O + HC20 =>
HCl + C20H14O4 + NaOH = NaCl + 5 H3O + HC20
Fe + HNO3 = Fe(NO3)2 + H2 =>
Fe + 2 HNO3 = Fe(NO3)2 + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/15/25
Équations équilibrées sur03/17/24
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