| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 CuSe + 8 HNO3 = 2 NO + 3 Cu(NO3)2 + 3 Se + 4 H2O
Na + EtOH = NaOEt + H2 =>
2 Na + 2 EtOH = 2 NaOEt + H2
C2H3OOH + HO(CH2)2CHCH3CH3 = CH3COO(CH2)2CHCH3CH3 + H2O =>
C2H3OOH + HO(CH2)2CHCH3CH3 = CH3COO(CH2)2CHCH3CH3 + H2O
KI(s) + H2SO4(aq) = K2SO4(aq) + SO2(g) + I2(g) + H2O(l) =>
2 KI(s) + 2 H2SO4(aq) = K2SO4(aq) + SO2(g) + I2(g) + 2 H2O(l)
AgCl + NH3*H2O = Ag(NH3)2OH + NH4Cl + H2O =>
AgCl + 3 NH3*H2O = Ag(NH3)2OH + NH4Cl + 2 H2O
MnSO4 + KNO3 + NaCO3 = CO2 + KNO2 + NaMnO4 + Na2SO4 =>
MnSO4 + KNO3 + 3 NaCO3 = 3 CO2 + KNO2 + NaMnO4 + Na2SO4
CH3OH + O2(g) = CO2(g) + H2O(g) =>
2 CH3OH + 3 O2(g) = 2 CO2(g) + 4 H2O(g)
ZnSO4 + NaCl = ZnCl2 + Na2SO4 =>
ZnSO4 + 2 NaCl = ZnCl2 + Na2SO4
Br1 + O2 = Br2O1 =>
4 Br1 + O2 = 2 Br2O1
H2S2 = H2S + S2 =>
2 H2S2 = 2 H2S + S2
CoCl2*6H2O + HNO3 = Co(NO3)2 + HCl + H2O =>
CoCl2*6H2O + 2 HNO3 = Co(NO3)2 + 2 HCl + 6 H2O
I + S = I2S =>
2 I + S = I2S
C8H10(l) + O2(g) = CO2(g) + H2O(g) =>
2 C8H10(l) + 21 O2(g) = 16 CO2(g) + 10 H2O(g)
C3H6O2 + Ca(OH)2 = Ca(C3H5O2)2 + H2O =>
2 C3H6O2 + Ca(OH)2 = Ca(C3H5O2)2 + 2 H2O
CH3CH2CHO + KMnO4 + KOH = CH3CH2COOK + K2MnO4 + H2O =>
CH3CH2CHO + 2 KMnO4 + 3 KOH = CH3CH2COOK + 2 K2MnO4 + 2 H2O
CuSO4(ac) + KI(ac) = K2SO4(ac) + CuI2(ac) =>
CuSO4(ac) + 2 KI(ac) = K2SO4(ac) + CuI2(ac)
Mg + HNO3 = Mg(NO3)2 + NH4NO3 + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + NH4NO3 + 3 H2O
NaCl(aq) + Ba(NO3)2(aq) = Na(NO3) + BaCl2 =>
2 NaCl(aq) + Ba(NO3)2(aq) = 2 Na(NO3) + BaCl2
ZnCO3 + OH = Zn(OH)2 + CO3 =>
ZnCO3 + 2 OH = Zn(OH)2 + CO3
Na + Fe(NO3)2 = NaNO3 + Fe =>
2 Na + Fe(NO3)2 = 2 NaNO3 + Fe
Ca(NO3)2 + Ag2S = CaS + AgNO3 =>
Ca(NO3)2 + Ag2S = CaS + 2 AgNO3
KMnO4 + H2SO4 + H2S = K2SO4 + MnSO4 + H2O =>
8 KMnO4 + 7 H2SO4 + 5 H2S = 4 K2SO4 + 8 MnSO4 + 12 H2O
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C7H7NO2 + O2 = CO2 + H2O + N =>
4 C7H7NO2 + 31 O2 = 28 CO2 + 14 H2O + 4 N
Pb(NO3)2(aq) + KOH(aq) = Pb(OH)2 + K(NO3) =>
Pb(NO3)2(aq) + 2 KOH(aq) = Pb(OH)2 + 2 K(NO3)
H3O + CO = CH3 + OH =>
2 H3O + CO = CH3 + 3 OH
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
Mg(OH)2 + Ag2O = Ag(OH) + MgO =>
Mg(OH)2 + Ag2O = 2 Ag(OH) + MgO
Cu + Fe(SO4)2 = Cu(SO4) + Fe =>
2 Cu + Fe(SO4)2 = 2 Cu(SO4) + Fe
K2Cr2O7 + C6H12O6 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
4 K2Cr2O7 + C6H12O6 + 16 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 6 CO2 + 22 H2O
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
AuS + H = Au + HS =>
AuS + H = Au + HS
Te + H2 = TeH2 =>
Te + H2 = TeH2
CO2 + H2O + Zn = CH4 + ZnO =>
CO2 + 2 H2O + 4 Zn = CH4 + 4 ZnO
Br(l) + KI(aq) = I2(aq) + KBr(aq) =>
2 Br(l) + 2 KI(aq) = I2(aq) + 2 KBr(aq)
Ag10 + H10N10O30 = Ag10N10O30 + H20O10 + N10O10 =>
3 Ag10 + 4 H10N10O30 = 3 Ag10N10O30 + 2 H20O10 + N10O10
C5H13N + O2 = CO2 + H2O + N2O =>
2 C5H13N + 17 O2 = 10 CO2 + 13 H2O + N2O
Hg2(NO3)2(aq) + CuSO4(aq) = Hg2SO4 + Cu(NO3)2 =>
Hg2(NO3)2(aq) + CuSO4(aq) = Hg2SO4 + Cu(NO3)2
Pb(No3)2(aq) + KOH(aq) = Pb(OH)2 + KNo3 =>
Pb(No3)2(aq) + 2 KOH(aq) = Pb(OH)2 + 2 KNo3
Al + HNO3(aq) = Al(NO3)3 + H2 =>
2 Al + 6 HNO3(aq) = 2 Al(NO3)3 + 3 H2
HCCH + H2 = C2H6 =>
HCCH + 2 H2 = C2H6
H2SiF6 + NaOH = NaF + Si(OH)4 + H2O =>
H2SiF6 + 6 NaOH = 6 NaF + Si(OH)4 + 2 H2O
Zn(s) + HBr(aq) = ZnBr2(aq) + H2(g) =>
Zn(s) + 2 HBr(aq) = ZnBr2(aq) + H2(g)
ZnSO4 + K2S = K2SO4 + ZnS =>
ZnSO4 + K2S = K2SO4 + ZnS
CH3OH + (CH3CO)2O = CH3COOH + CH3COOCH3 =>
CH3OH + (CH3CO)2O = CH3COOH + CH3COOCH3
Sr(NO3)2 + Li2SO4 = SrSO4 + Li(NO3) =>
Sr(NO3)2 + Li2SO4 = SrSO4 + 2 Li(NO3)
SrO + SO2 = SrSO3 =>
SrO + SO2 = SrSO3
C3H6 + KMnO4 + KOH = CH3COOK + K2MnO4 + H2O =>
2 C3H6 + 12 KMnO4 + 15 KOH = 3 CH3COOK + 12 K2MnO4 + 9 H2O
C2H4 + Cl = C2H4Cl2 =>
C2H4 + 2 Cl = C2H4Cl2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/27/24
Équations équilibrées sur11/26/23
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