| Équations équilibrées la veille |
Ag + 2 NH3 = Ag(NH3)2
Na2CrO4 + KNO2 + H2SO4 = KNO3 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 Na2CrO4 + 3 KNO2 + 5 H2SO4 = 3 KNO3 + Cr2(SO4)3 + 2 Na2SO4 + 5 H2O
Al + HNO3 = Al(NO3)3 + H24 =>
8 Al + 24 HNO3 = 8 Al(NO3)3 + H24
Cu(NH3)2{+} + O2 + NH3 + H2O = Cu(NH3)4{2+} + OH{-} =>
4 Cu(NH3)2{+} + O2 + 8 NH3 + 2 H2O = 4 Cu(NH3)4{2+} + 4 OH{-}
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
CH2S = C + H2S =>
CH2S = C + H2S
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
NaO2 + H2O = NaOH + O2 =>
4 NaO2 + 2 H2O = 4 NaOH + 3 O2
SO4{-2} + Sr{+2} = Sr(SO4) =>
SO4{-2} + Sr{+2} = Sr(SO4)
Mg(s) + Ca(NO3)2(aq) = Mg(NO3)2(aq) + Ca(s) =>
Mg(s) + Ca(NO3)2(aq) = Mg(NO3)2(aq) + Ca(s)
Mg(OH)2 + K = KOH + Mg =>
Mg(OH)2 + 2 K = 2 KOH + Mg
Fe{3+} + (SCN){-} = Fe(SCN){2+} =>
Fe{3+} + (SCN){-} = Fe(SCN){2+}
MnO2 + KI + HNO3 = Mn(NO3)2 + KNO3 + I2 + H2O =>
MnO2 + 2 KI + 4 HNO3 = Mn(NO3)2 + 2 KNO3 + I2 + 2 H2O
J2 + H2O2 = HJ + O2 =>
J2 + H2O2 = 2 HJ + O2
Zn + KI = K + ZnI =>
Zn + KI = K + ZnI
CaCO3 + CO2 = CaCO3CO2 =>
CaCO3 + CO2 = CaCO3CO2
(CH2)4(g) + O2(g) = CO2(g) + H2O(g) =>
(CH2)4(g) + 6 O2(g) = 4 CO2(g) + 4 H2O(g)
NaOH + CuCl2 = NaCl2 + CuOH =>
NaOH + CuCl2 = NaCl2 + CuOH
CH3COOH + Mg(HCO3)2 = H2O + CO2 + Mg =>
CH3COOH + 4 Mg(HCO3)2 = 6 H2O + 10 CO2 + 4 Mg
Hg2 + Cl = Hg2Cl =>
Hg2 + Cl = Hg2Cl
Ba(OH)2 + KHCO3 = KOH + BaCO3 + H2O =>
Ba(OH)2 + KHCO3 = KOH + BaCO3 + H2O
K3[Fe(CN)6] + C6H12O6 + KOH = K4[Fe(CN)6] + (CHOH)4*(COOH)2 + H2O =>
6 K3[Fe(CN)6] + C6H12O6 + 6 KOH = 6 K4[Fe(CN)6] + (CHOH)4*(COOH)2 + 4 H2O
CH3CH2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
6 CH3CH2 + 13 K2Cr2O7 + 52 H2SO4 = 13 Cr2(SO4)3 + 13 K2SO4 + 12 CO2 + 67 H2O
AlC3H9(g) + O2(g) = Al2O3(s) + H2O(g) + CO2(g) =>
2 AlC3H9(g) + 12 O2(g) = Al2O3(s) + 9 H2O(g) + 6 CO2(g)
Ag{+} + Cd(s) = Ag(s) + Cd{2+} =>
2 Ag{+} + Cd(s) = 2 Ag(s) + Cd{2+}
ZnO + NaOH + H2O = Na2Zn(OH)4 =>
ZnO + 2 NaOH + H2O = Na2Zn(OH)4
P4 + HNO3 = H2O + H3PO4 + NO2 =>
P4 + 20 HNO3 = 4 H2O + 4 H3PO4 + 20 NO2
Be + H2SO3 = BeSO3 + H2 =>
Be + H2SO3 = BeSO3 + H2
KOH + CoCl3 = KCl + Co(OH)3 =>
3 KOH + CoCl3 = 3 KCl + Co(OH)3
Ba(ClO4)2 + Na2SO4 = NaClO4 + BaSO4 =>
Ba(ClO4)2 + Na2SO4 = 2 NaClO4 + BaSO4
Pb3O4 + MnCl2 + HNO3 = Pb(NO3)2 + HMnO4 + PbCl2 + H2O =>
5 Pb3O4 + 2 MnCl2 + 26 HNO3 = 13 Pb(NO3)2 + 2 HMnO4 + 2 PbCl2 + 12 H2O
AgNO3 = Ag2O + NO2 + O2 =>
4 AgNO3 = 2 Ag2O + 4 NO2 + O2
C4H10S(l) + O2(g) = H2S(g) + CO2(g) + H2O(g) =>
C4H10S(l) + 6 O2(g) = H2S(g) + 4 CO2(g) + 4 H2O(g)
BaCl2 + NH3 + H2O2 = BaO2 + NH3Cl2 + H2 =>
BaCl2 + NH3 + H2O2 = BaO2 + NH3Cl2 + H2
Cr(s) + Fe(NO3)2(aq) = Fe(s) + Cr(NO3)(aq) =>
2 Cr(s) + Fe(NO3)2(aq) = Fe(s) + 2 Cr(NO3)(aq)
Sb + HNO3 + HCl = SbCl2 + NO + H2O =>
3 Sb + 2 HNO3 + 6 HCl = 3 SbCl2 + 2 NO + 4 H2O
S2F2 + HNO3 = H2SO4 + NO2 + HF + H2O =>
S2F2 + 10 HNO3 = 2 H2SO4 + 10 NO2 + 2 HF + 2 H2O
C4H8O(l) + O2(g) = H2O(g) + CO2(g) =>
2 C4H8O(l) + 11 O2(g) = 8 H2O(g) + 8 CO2(g)
PbO2(s) + Pb(s) + HSO4(aq) = PbSO4(s) + H2O(l) =>
PbO2(s) + 3 Pb(s) + 4 HSO4(aq) = 4 PbSO4(s) + 2 H2O(l)
Zn(S) + S(s) = ZnS2(s) =>
Zn(S) + S(s) = ZnS2(s)
NH4NO3 + Na2CO3 = NH4CO3 + Na2NO3 =>
NH4NO3 + Na2CO3 = NH4CO3 + Na2NO3
Mn + AgC2H3O2 = MnC2H3O2 + Ag =>
Mn + AgC2H3O2 = MnC2H3O2 + Ag
Mg + Al = MgAl =>
Mg + Al = MgAl
As + HCl = AsCl + H2 =>
2 As + 2 HCl = 2 AsCl + H2
NaMnO4 + Na2SO3 + KOH = K2MnO4 + Na2SO4 + Na2MnO4 + H2O =>
2 NaMnO4 + Na2SO3 + 2 KOH = K2MnO4 + Na2SO4 + Na2MnO4 + H2O
NaOH + NaH2PO4 = Na3PO4 + H2O =>
2 NaOH + NaH2PO4 = Na3PO4 + 2 H2O
Cl2(aq) + I2(aq) = ClI(aq) =>
Cl2(aq) + I2(aq) = 2 ClI(aq)
S + H2O2 = H2SO4 + H2 =>
S + 2 H2O2 = H2SO4 + H2
Mg(s) + Ca(NO3)2(aq) = Mg(NO3)(aq) + Ca(s) =>
2 Mg(s) + Ca(NO3)2(aq) = 2 Mg(NO3)(aq) + Ca(s)
Cu + HCI = CuCI + H2 =>
2 Cu + 2 HCI = 2 CuCI + H2
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