| Équations équilibrées la veille |
2 HCOONa = (COO)2Na2 + H2
YBa2Cu3O7 + HCl = CuCl + H2O + YCl3 + BaCl2 + O =>
YBa2Cu3O7 + 10 HCl = 3 CuCl + 5 H2O + YCl3 + 2 BaCl2 + 2 O
C8H18 = C4H10 + C4H8 =>
C8H18 = C4H10 + C4H8
FeSO4 + CoBr3 = FeBr3 + CoSO4 =>
FeSO4 + CoBr3 = FeBr3 + CoSO4
Zn + FeI3 = ZnI3 + Fe =>
Zn + FeI3 = ZnI3 + Fe
C2H2 = C2 + H2 =>
C2H2 = C2 + H2
CH3Br + NH3 = CH3NH3Br =>
CH3Br + NH3 = CH3NH3Br
C4H8O2 + H2O = C2H4O2 + H2 =>
C4H8O2 + 2 H2O = 2 C2H4O2 + 2 H2
NaHCO3 + Al = Al(HCO3)3 + Na =>
3 NaHCO3 + Al = Al(HCO3)3 + 3 Na
Al + Fe2{+} = Al3{+} + Fe =>
3 Al + Fe2{+} = Al3{+} + 2 Fe
Sr(NO3)2 + KI = SrI2 + KNO3 =>
Sr(NO3)2 + 2 KI = SrI2 + 2 KNO3
As2S3 + NO3{-} + H2O = AsO4{3-} + S + NO + H3O{+} =>
3 As2S3 + 10 NO3{-} + 12 H2O = 6 AsO4{3-} + 9 S + 10 NO + 8 H3O{+}
Sn + KOH = K2SnO2 + H2 =>
Sn + 2 KOH = K2SnO2 + H2
FeSO4 + AgNO3 = Ag + Fe(NO3)3 + Fe2(SO4)3 =>
3 FeSO4 + 3 AgNO3 = 3 Ag + Fe(NO3)3 + Fe2(SO4)3
HNO2 + Mg(OH)2 = MgHNO4 + H2 =>
HNO2 + Mg(OH)2 = MgHNO4 + H2
BeCl2(s) + O2(g) = Be(ClO3)2(s) =>
BeCl2(s) + 3 O2(g) = Be(ClO3)2(s)
I2 + HCl = ICl + H2 =>
I2 + 2 HCl = 2 ICl + H2
Au + K(CN) + O2 + H2O = KAu(CN)3 + K(OH) =>
2 Au + 6 K(CN) + O2 + 2 H2O = 2 KAu(CN)3 + 4 K(OH)
CH3CH2OH + KMnO4 = CH3COOK + MnO2 + KOH + H2O =>
3 CH3CH2OH + 4 KMnO4 = 3 CH3COOK + 4 MnO2 + KOH + 4 H2O
C7H6O2 + NaHCO3 = NaC7H5O2 + H2O + CO2 =>
C7H6O2 + NaHCO3 = NaC7H5O2 + H2O + CO2
In + HNO3 = In(NO3)2 + NO2 + H2O =>
In + 4 HNO3 = In(NO3)2 + 2 NO2 + 2 H2O
NO(g) + O2(g) + H2O(l) = HNO3 =>
4 NO(g) + 3 O2(g) + 2 H2O(l) = 4 HNO3
KMnO4 + H2SO4 = Mn2O7 + H2O + KHSO4 =>
2 KMnO4 + 2 H2SO4 = Mn2O7 + H2O + 2 KHSO4
H2 + Cu2N2 = Cu2H2 + N2 =>
H2 + Cu2N2 = Cu2H2 + N2
Hg2Cl2 + NH3 = Hg + HgNH2Cl + NH4{+} + Cl{-} =>
Hg2Cl2 + 2 NH3 = Hg + HgNH2Cl + NH4{+} + Cl{-}
Sn + Pb(NO3)2 = Pb + Sn(NO3)4 =>
Sn + 2 Pb(NO3)2 = 2 Pb + Sn(NO3)4
AgNO3 + AsH3 + H2O = As2O3 + HNO3 + Ag =>
12 AgNO3 + 2 AsH3 + 3 H2O = As2O3 + 12 HNO3 + 12 Ag
C12H22O11 + HCl = CH3OH + CCl4 + H2O =>
C12H22O11 + 16 HCl = 8 CH3OH + 4 CCl4 + 3 H2O
K2CrO4(aq) + Na2CO3(aq) = K2CO3(aq) + Na2CrO4(aq) =>
K2CrO4(aq) + Na2CO3(aq) = K2CO3(aq) + Na2CrO4(aq)
Ca(ClO)2 + KI + HCl = I + CaCl2 + H2O + KCl =>
Ca(ClO)2 + 4 KI + 4 HCl = 4 I + CaCl2 + 2 H2O + 4 KCl
Ca2NO3 = Ca2(NO2) + O2 =>
2 Ca2NO3 = 2 Ca2(NO2) + O2
FeS + Na2O2 = Fe2O3 + Na2SO3 + Na2O =>
2 FeS + 7 Na2O2 = Fe2O3 + 2 Na2SO3 + 5 Na2O
CaCO3 + HNo3 = Ca(No3)2 + CO2 + H2O =>
CaCO3 + 2 HNo3 = Ca(No3)2 + CO2 + H2O
Pb + HCl(aq) = PbCl2(ppt) + H2 =>
Pb + 2 HCl(aq) = PbCl2(ppt) + H2
C2H5CHO + Cu(OH)2 = C2H5COOH + Cu + H2O =>
C2H5CHO + Cu(OH)2 = C2H5COOH + Cu + H2O
C14H14N3O3SNa + NaOH = C14H14N3O3SOH + Na =>
C14H14N3O3SNa + NaOH = C14H14N3O3SOH + 2 Na
Ca(s) + CuSO4(aq) = CaSO4(aq) + Cu(s) =>
Ca(s) + CuSO4(aq) = CaSO4(aq) + Cu(s)
ZnSO4 + HNO3 = Zn(NO3)2 + H2(SO4) =>
ZnSO4 + 2 HNO3 = Zn(NO3)2 + H2(SO4)
HI + AgNO3 = AgIHNO3 =>
HI + AgNO3 = AgIHNO3
NaCl(s) = Na(s) + Cl2(g) =>
2 NaCl(s) = 2 Na(s) + Cl2(g)
CO2 + HNO3 + H3PO4 + H2O = C106H175O42N16P + O2 =>
106 CO2 + 16.000000000001HNO3 + H3PO4 + 78.000000000003H2O = C106H175O42N16P + 150.00000000001O2
KOH + Zn + H2O + KNO3 = K2Zn(OH)4 + NH3 =>
7 KOH + 4 Zn + 6 H2O + KNO3 = 4 K2Zn(OH)4 + NH3
FeCl3 + Na2SO3 + H2O = Fe(OH)3 + SO2 + NaCl =>
2 FeCl3 + 3 Na2SO3 + 3 H2O = 2 Fe(OH)3 + 3 SO2 + 6 NaCl
Cl2(aq) + NaI(aq) = NaCl(aq) + I2(s) =>
Cl2(aq) + 2 NaI(aq) = 2 NaCl(aq) + I2(s)
Cr2O3 + S = Cr2S3 + SO2 =>
2 Cr2O3 + 9 S = 2 Cr2S3 + 3 SO2
POCl3(l) + H2O(l) = H3PO4(aq) + HCl(g) =>
POCl3(l) + 3 H2O(l) = H3PO4(aq) + 3 HCl(g)
K2Cr2O7 + K2SO3 + HCl = CrCl3 + K2SO4 + KCl + H2O =>
K2Cr2O7 + 3 K2SO3 + 8 HCl = 2 CrCl3 + 3 K2SO4 + 2 KCl + 4 H2O
Sb + H2S = Sb2S3 + H2 =>
2 Sb + 3 H2S = Sb2S3 + 3 H2
C6H14O6 + H2 = C12H26 + H2O =>
2 C6H14O6 + 11 H2 = C12H26 + 12 H2O
Ni(s) + CuCl2 = NiCl2 + Cu(s) =>
Ni(s) + CuCl2 = NiCl2 + Cu(s)
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