| Équations équilibrées la veille |
2 Fe(NO3)2 + Cu(NO3)2 = 2 Fe(NO3)3 + Cu
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
Pb(NO3)2 + KON = KNO3 + Pb(ON)2 =>
Pb(NO3)2 + 2 KON = 2 KNO3 + Pb(ON)2
NaOH + Cl2 = NaClO + H2 =>
2 NaOH + Cl2 = 2 NaClO + H2
C + S8 = CS2 =>
4 C + S8 = 4 CS2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
HCIO3 + P + H2O = H3PO4 + HCI =>
5 HCIO3 + 6 P + 9 H2O = 6 H3PO4 + 5 HCI
ZnO + H2O = H2ZnO2 =>
ZnO + H2O = H2ZnO2
Al(s) + HBr(aq) = AlBr3(aq) + H2(g) =>
2 Al(s) + 6 HBr(aq) = 2 AlBr3(aq) + 3 H2(g)
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
MnO + HNO3 = NO2 + MnO2 + H2O =>
MnO + 2 HNO3 = 2 NO2 + MnO2 + H2O
NH3OHCl + H2SO4 = (NH4)2SO4 + HClO =>
2 NH3OHCl + H2SO4 = (NH4)2SO4 + 2 HClO
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
Mg(NO3)2 + K3PO4 = Mg3(PO4)2 + KNO3 =>
3 Mg(NO3)2 + 2 K3PO4 = Mg3(PO4)2 + 6 KNO3
KMnO4 + HNO + H2SO4 = K2SO4 + MnSO4 + HNO3 + H2O =>
4 KMnO4 + 5 HNO + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 5 HNO3 + 6 H2O
Zn + Pb2(SO4)3 = ZnSO4 + Pb =>
3 Zn + Pb2(SO4)3 = 3 ZnSO4 + 2 Pb
H3PO4 + HI = PH3 + I2 + H2O =>
H3PO4 + 8 HI = PH3 + 4 I2 + 4 H2O
C + S8 = CS2 =>
4 C + S8 = 4 CS2
NaCl(aq) + AgNO3(aq) = AgCl(s) + NaNO3 =>
NaCl(aq) + AgNO3(aq) = AgCl(s) + NaNO3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
HCl(aq) + Na2(CO3)2(aq) = HCO3 + NaCl =>
2 HCl(aq) + Na2(CO3)2(aq) = 2 HCO3 + 2 NaCl
XN2 + XO2 = XNO =>
XN2 + XO2 = 2 XNO
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
Ca(ClO)2 + NaCl = CaCl2 + NaClO3 =>
3 Ca(ClO)2 + 2 NaCl = 3 CaCl2 + 2 NaClO3
Ca(ClO3)2 = CaCl2 + O2 =>
Ca(ClO3)2 = CaCl2 + 3 O2
AlI3 + Hg(NO3)2 = Al(NO3)3 + HgI2 =>
2 AlI3 + 3 Hg(NO3)2 = 2 Al(NO3)3 + 3 HgI2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Fe(NO3)3*9H2O + Ca(NO3)2*6H2O = CaFe2O4 + H2O + N2O + O2 =>
2 Fe(NO3)3*9H2O + Ca(NO3)2*6H2O = CaFe2O4 + 24 H2O + 4 N2O + 8 O2
KI(aq) + Cl(aq) = I(aq) + KCl(s) =>
KI(aq) + Cl(aq) = I(aq) + KCl(s)
NaOH + SnCl2 = NaCl + SnOHCl =>
NaOH + SnCl2 = NaCl + SnOHCl
Cr2O7{-2} + H{+)+H2C2O4 = Cr{3}+H2O+CO2 =>
Cr2O7{-2} + 8 H{+)+3H2C2O4 = 2 Cr{3}+7H2O+6CO2
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
C6H5COOK + H2SO4 = C6H5COOH + K2SO4 =>
2 C6H5COOK + H2SO4 = 2 C6H5COOH + K2SO4
AsO3{3-} + Sn{2+} + Cl{-} + H{+} = As + SnCl62{-} + H2O =>
59 AsO3{3-} + 3 Sn{2+} + 186 Cl{-} + 354 H{+} = 59 As + 3 SnCl62{-} + 177 H2O
CaCl2 + HNo3 = Ca(No3)2 + HCl =>
CaCl2 + 2 HNo3 = Ca(No3)2 + 2 HCl
SO2 + K2CrO4 + KHSO4 = Cr2(SO4)3 + K2SO4 + H2O =>
3 SO2 + 2 K2CrO4 + 4 KHSO4 = Cr2(SO4)3 + 4 K2SO4 + 2 H2O
I2O + H2O = H2I2O2 =>
I2O + H2O = H2I2O2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
NH3 + HNO3 = NH4NO3 =>
NH3 + HNO3 = NH4NO3
FeBr3(aq) + H2SO4(aq) = Fe2(SO4)3(aq) + HBr(aq) =>
2 FeBr3(aq) + 3 H2SO4(aq) = Fe2(SO4)3(aq) + 6 HBr(aq)
Ca(OH)2 + HI = CaI2 + H2O =>
Ca(OH)2 + 2 HI = CaI2 + 2 H2O
C9H29 + O2 = CO2 + H2O =>
4 C9H29 + 65 O2 = 36 CO2 + 58 H2O
Fe{3+} + CO{-2} = Fe + CO{2+}(g) =>
4 Fe{3+} + 3 CO{-2} = 4 Fe + 3 CO{2+}(g)
P(s) + Cl2(g) = PCl5(g) =>
2 P(s) + 5 Cl2(g) = 2 PCl5(g)
Pb(NO3)2 + KON = KNO3 + Pb(ON)2 =>
Pb(NO3)2 + 2 KON = 2 KNO3 + Pb(ON)2
AgNO3 + Cl2 = AgCl + N2O5 + O2 =>
4 AgNO3 + 2 Cl2 = 4 AgCl + 2 N2O5 + O2
Al + CrO4 = Al2O3 + Cr =>
8 Al + 3 CrO4 = 4 Al2O3 + 3 Cr
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
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Équations équilibrées sur10/20/24
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