| Équations équilibrées la veille |
8 NaHCO3 + CH4 = 9 CO2 + 6 HOH + 8 Na
NaCl + NaC2 = Na2ClC2 =>
NaCl + NaC2 = Na2ClC2
CaCl + KPO4 = CaPO4 + KCl =>
CaCl + KPO4 = CaPO4 + KCl
Na2SO3K2S = Na2SK2SO3 =>
Na2SO3K2S = Na2SK2SO3
SnCl2 + H2SO4 + HCl = SnCl3 + H2S + H2O =>
8 SnCl2 + H2SO4 + 8 HCl = 8 SnCl3 + H2S + 4 H2O
Fe + FeSO4 = Fe(FeSO4) =>
Fe + FeSO4 = Fe(FeSO4)
CoCl2 + Na2O2 + H2O = Co(OH)3 + Cl{-} + Na{+} + H{+} =>
2 CoCl2 + Na2O2 + 4 H2O = 2 Co(OH)3 + 4 Cl{-} + 2 Na{+} + 2 H{+}
NaOH + CuS = Na2S + Cu(OH)2 =>
2 NaOH + CuS = Na2S + Cu(OH)2
H2SO3 + KOH = K(H3) + SO4 =>
H2SO3 + KOH = K(H3) + SO4
C3H4O + HCl = C3H5OCl =>
C3H4O + HCl = C3H5OCl
CH3CH2OH + AgNO3 + NH3 = CH3COONH4 + Ag + NH4NO3 =>
3 CH3CH2OH + 4 AgNO3 + 5 NH3 = 3 CH3COONH4 + 4 Ag + 3 NH4NO3
NH3 + I2 = N2I6 + H2* =>
2 NH3 + 3 I2 = N2I6 + 3 H2*
HF + SiO4H4 = SiF4 + H2O =>
4 HF + SiO4H4 = SiF4 + 4 H2O
V + Br = VBr5 =>
V + 5 Br = VBr5
Fe11 = Fe4 =>
4 Fe11 = 11 Fe4
KF + Mg(OH)2 = KOH + MgF2 =>
2 KF + Mg(OH)2 = 2 KOH + MgF2
C8H9Br + O2 = CO2 + H2O + BrO2 =>
4 C8H9Br + 45 O2 = 32 CO2 + 18 H2O + 4 BrO2
OH{-} + Bi{3+} + SnO2{2-} = Bi + SnO3{2-} + H2O =>
6 OH{-} + 2 Bi{3+} + 3 SnO2{2-} = 2 Bi + 3 SnO3{2-} + 3 H2O
C6H8O9 + O2 = CO2 + H2O =>
2 C6H8O9 + 7 O2 = 12 CO2 + 8 H2O
KMnO4 + KNO2 + H2SO4 = MnSO4 + KNO3 + K2SO4 + H2O =>
2 KMnO4 + 5 KNO2 + 3 H2SO4 = 2 MnSO4 + 5 KNO3 + K2SO4 + 3 H2O
V + Br = VBr =>
V + Br = VBr
Cu + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
Cu + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O =>
Cu + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O
NaI + H2SO4 + O2 = I2 + Na2SO4 + H2O =>
4 NaI + 2 H2SO4 + O2 = 2 I2 + 2 Na2SO4 + 2 H2O
SiO2 + HF = SiF6{-2} + H{+} + H2O =>
SiO2 + 6 HF = SiF6{-2} + 2 H{+} + 2 H2O
Cu + HNO3(aq) = Cu(NO3)2(aq) + NO(g) + H2O =>
3 Cu + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O
C4H8O + Cu(OH)2 = C4H8O2 + Cu2O + H2O =>
C4H8O + 2 Cu(OH)2 = C4H8O2 + Cu2O + 2 H2O
CH3COOH + Y2 = CH3COOY + H2 =>
2 CH3COOH + Y2 = 2 CH3COOY + H2
Fe2O3 + HCl = Fe + Cl + H2O =>
Fe2O3 + 6 HCl = 2 Fe + 6 Cl + 3 H2O
K4[Fe(CN)6] = K3[Fe(CN)6]{-} + K{+} =>
K4[Fe(CN)6] = K3[Fe(CN)6]{-} + K{+}
K2 + MnO4 = KMnO4 =>
K2 + 2 MnO4 = 2 KMnO4
Fe + Na3P = FeP2 + Na =>
Fe + 2 Na3P = FeP2 + 6 Na
Ni + NH4OH = [Ni(NH3)4] + H2O =>
Ni + 4 NH4OH = [Ni(NH3)4] + 4 H2O
Ag2O2 + MnSO4 + H2SO4 = HMnO4 + Ag2SO4 + H2O =>
5 Ag2O2 + 2 MnSO4 + 3 H2SO4 = 2 HMnO4 + 5 Ag2SO4 + 2 H2O
K(Cl) + O2 = K(Cl)O3 =>
2 K(Cl) + 3 O2 = 2 K(Cl)O3
Cu + HNO3(aq) = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3(aq) = Cu(NO3)2 + 2 NO2 + 2 H2O
Rb + P = Rb3P =>
3 Rb + P = Rb3P
NaOH + H2NO3 = Na2NO3 + H2O =>
2 NaOH + H2NO3 = Na2NO3 + 2 H2O
HNO3(aq) + Cu = Cu(NO3)2(aq) + NO(g) + H2O(l) =>
8 HNO3(aq) + 3 Cu = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
HOOCCH2CH2COOH + H2NCH2CH2NH2 = C6H10N2O2 + H2O =>
HOOCCH2CH2COOH + H2NCH2CH2NH2 = C6H10N2O2 + 2 H2O
Zn(NO3)2 + FeS = ZnS + Fe(NO3)2 =>
Zn(NO3)2 + FeS = ZnS + Fe(NO3)2
Fe(s) + CuSO4(aq) = Fe(SO4)(aq) + Cu(s) =>
Fe(s) + CuSO4(aq) = Fe(SO4)(aq) + Cu(s)
Fe2O3 + FeO = Fe3O4 =>
Fe2O3 + FeO = Fe3O4
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
(NH4)2SO4(aq) + NaI(aq) = (NH4)2I(aq) + NaSO4(aq) =>
(NH4)2SO4(aq) + NaI(aq) = (NH4)2I(aq) + NaSO4(aq)
Ca(NO3)2 + Cs = CsNO3 + Ca =>
Ca(NO3)2 + 2 Cs = 2 CsNO3 + Ca
Pb3O4 + NaOH + H2O = Na2[Pb(OH)4] + Na2[Pb(OH)6] =>
Pb3O4 + 6 NaOH + 4 H2O = 2 Na2[Pb(OH)4] + Na2[Pb(OH)6]
Cu + HNO3(aq) = Cu(NO3)2 + NO2(g) + H2O =>
Cu + 4 HNO3(aq) = Cu(NO3)2 + 2 NO2(g) + 2 H2O
Ag{+} + HCO3{-} = Ag2CO3 + CO2 + H2O =>
2 Ag{+} + 2 HCO3{-} = Ag2CO3 + CO2 + H2O
Zn(NO3)2 + KF + H2O = Zn(OH)2 + KNO3 + HF =>
Zn(NO3)2 + 2 KF + 2 H2O = Zn(OH)2 + 2 KNO3 + 2 HF
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Équations équilibrées sur11/13/24
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