| Équations équilibrées la veille |
Zn(s) + H2SO4(l) = H2(g) + ZnSO4(aq)
Al + ClO = AlO2 + Cl =>
Al + 2 ClO = AlO2 + 2 Cl
KNO3 + S8 = K2SO4 + NO =>
16 KNO3 + S8 = 8 K2SO4 + 16 NO
CH3COOC2H5 + HCl = CH3COOH + C2H5Cl =>
CH3COOC2H5 + HCl = CH3COOH + C2H5Cl
C2H4O2 + NaOH = C2H3NaO2 + H2O =>
C2H4O2 + NaOH = C2H3NaO2 + H2O
K(s) + I2(g) = KI(s) =>
2 K(s) + I2(g) = 2 KI(s)
H2O2(ac) = O2(g)H2 =>
H2O2(ac) = O2(g)H2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Br2 + O = BrO =>
Br2 + 2 O = 2 BrO
K2MnO4 + H2O2 = MnO2 + KOH + HO2 =>
K2MnO4 + 2 H2O2 = MnO2 + 2 KOH + 2 HO2
Cu2 + NH4OH = Cu(OH)2 + NH4 =>
Cu2 + 4 NH4OH = 2 Cu(OH)2 + 4 NH4
H2O2 + CO(NH2)2 = CH6N2O3 =>
H2O2 + CO(NH2)2 = CH6N2O3
KI(aq) + Cl2(g) = KCl(aq) + I2(s) =>
2 KI(aq) + Cl2(g) = 2 KCl(aq) + I2(s)
KI + H3PO4 = K3PO4 + HI =>
3 KI + H3PO4 = K3PO4 + 3 HI
KCl + Na2Co3 = K2Co3 + NaCl =>
2 KCl + Na2Co3 = K2Co3 + 2 NaCl
Mg + NaFl = MgFl2 + Na =>
Mg + 2 NaFl = MgFl2 + 2 Na
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
HCOH + Cu(OH)2 = Cu2O + H2O + CO2 =>
HCOH + 4 Cu(OH)2 = 2 Cu2O + 5 H2O + CO2
C6H12(l) + O(g) = CO2(g) + H2O(l) =>
C6H12(l) + 18 O(g) = 6 CO2(g) + 6 H2O(l)
Cn + O2 = CnO =>
2 Cn + O2 = 2 CnO
S + H2O2 = SO4 + H2O =>
S + 4 H2O2 = SO4 + 4 H2O
(NH4)2S + O2 = NH3 + H2O + S =>
2(NH4)2S + O2 = 4 NH3 + 2 H2O + 2 S
Pb + Mg(NO3)2 = Pb(NO3)2 + Mg =>
Pb + Mg(NO3)2 = Pb(NO3)2 + Mg
As2S3 + HNO3 + H2O = H3AsO4 + H2SO4 + NO =>
3 As2S3 + 28 HNO3 + 4 H2O = 6 H3AsO4 + 9 H2SO4 + 28 NO
Ca(OH)2 + KCN = Ca(CN)2 + KOH =>
Ca(OH)2 + 2 KCN = Ca(CN)2 + 2 KOH
HCIO3 = CIO2 + H2O + O2 =>
4 HCIO3 = 4 CIO2 + 2 H2O + O2
SO2 + OH = SO4 + H2O =>
SO2 + 4 OH = SO4 + 2 H2O
ZnF2 + PBr3 = PF3 + ZnBr2 =>
3 ZnF2 + 2 PBr3 = 2 PF3 + 3 ZnBr2
Ba(NO3)2(ac) + Na2CrO4(ac) = BaCrO4(s) + NaNO3(ac) =>
Ba(NO3)2(ac) + Na2CrO4(ac) = BaCrO4(s) + 2 NaNO3(ac)
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
Cr2O3 + CCl4 = CrCl3 + CCl2O =>
Cr2O3 + 3 CCl4 = 2 CrCl3 + 3 CCl2O
C4H8 + KMnO4 + H2SO4 = C2H4O2 + K2SO4 + MnSO4 + H2O =>
5 C4H8 + 8 KMnO4 + 12 H2SO4 = 10 C2H4O2 + 4 K2SO4 + 8 MnSO4 + 12 H2O
Al + NiO = Al2O3 + Ni =>
2 Al + 3 NiO = Al2O3 + 3 Ni
Fe(s) + Au(NO3)3(aq) = Fe(NO3)2(aq) + Au(s) =>
3 Fe(s) + 2 Au(NO3)3(aq) = 3 Fe(NO3)2(aq) + 2 Au(s)
P + N2 = N2P5 =>
5 P + N2 = N2P5
Pb(NO3)2(aq) + KI = PbI2 + KNO3 =>
Pb(NO3)2(aq) + 2 KI = PbI2 + 2 KNO3
FeCl3 + HJ = FeCl2 + J2 + HCl =>
2 FeCl3 + 2 HJ = 2 FeCl2 + J2 + 2 HCl
NiCl2 + Na2CO3 = NiCO3 + Na2Cl2 =>
NiCl2 + Na2CO3 = NiCO3 + Na2Cl2
AgNO3 + CsCl = AgCl + CsNO3 =>
AgNO3 + CsCl = AgCl + CsNO3
HCl(aq) + Al(OH)3(aq) = AlCl3 + H2O =>
3 HCl(aq) + Al(OH)3(aq) = AlCl3 + 3 H2O
N2H4 + Zn + KOH + H2O = NH3 + K2(Zn(OH)4) =>
N2H4 + Zn + 2 KOH + 2 H2O = 2 NH3 + K2(Zn(OH)4)
NO + HCl = NOCl + H2 =>
2 NO + 2 HCl = 2 NOCl + H2
NaAlO2 + Na2SiO3*5H2O = Na2Al2Si2O8*H2O + NaOH + H2O =>
2 NaAlO2 + 2 Na2SiO3*5H2O = Na2Al2Si2O8*H2O + 4 NaOH + 7 H2O
H2S + Fe2O3 = FeO + H2O + S =>
H2S + Fe2O3 = 2 FeO + H2O + S
V(s) + O2(g) = V2O5(a) =>
4 V(s) + 5 O2(g) = 2 V2O5(a)
MgCl2Cu(OH)2 = CuCl2Mg(OH)2 =>
MgCl2Cu(OH)2 = CuCl2Mg(OH)2
Ca(HSO3)2 = CaO + SO2 + H2O =>
Ca(HSO3)2 = CaO + 2 SO2 + H2O
NaClO3 + HBr = Br2 + NaCl + H2O =>
NaClO3 + 6 HBr = 3 Br2 + NaCl + 3 H2O
KF + SiF4 = K2SiF6 =>
2 KF + SiF4 = K2SiF6
HCOOH + OH = CO2 + H2O =>
HCOOH + 2 OH = CO2 + 2 H2O
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Équations équilibrées sur10/23/24
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