| Équations équilibrées la veille |
3 Fe + 8 HNO3 = 3 Fe(NO3)2 + 2 NO + 4 H2O
Ca + Na = Ca3Na2 =>
3 Ca + 2 Na = Ca3Na2
Fe + HNO3 = Fe(NO3)2 + NO + H2O =>
3 Fe + 8 HNO3 = 3 Fe(NO3)2 + 2 NO + 4 H2O
K2SO4(aq) + CaI2 = CaSO4(s) + KI(aq) =>
K2SO4(aq) + CaI2 = CaSO4(s) + 2 KI(aq)
C + S = CS2 =>
C + 2 S = CS2
Fe + HNO3 = Fe(NO3)2 + NO + H2O =>
3 Fe + 8 HNO3 = 3 Fe(NO3)2 + 2 NO + 4 H2O
CaI2(s) + Cl2(g) = CaCl2(s) + I2(g) =>
CaI2(s) + Cl2(g) = CaCl2(s) + I2(g)
P + O3 = P2O3 =>
2 P + O3 = P2O3
Ca3P2 + H2O = Ca(OH)2 + P2O5 + H2 =>
Ca3P2 + 11 H2O = 3 Ca(OH)2 + P2O5 + 8 H2
H3PO4 + Sr(OH)2 = H2O + Sr3(PO4)2 =>
2 H3PO4 + 3 Sr(OH)2 = 6 H2O + Sr3(PO4)2
H2SO4 + NaCl = HCl + Na2SO4 =>
H2SO4 + 2 NaCl = 2 HCl + Na2SO4
KOH + H2SO4 = K2SO4 + H2O = =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
HB(C3H3N2)4 + O2 = B2O3 + NO2 + H2O + CO2 =>
2 HB(C3H3N2)4 + 48 O2 = B2O3 + 16 NO2 + 13 H2O + 24 CO2
Na2CO3 + CuCl2 = NaCl + CuO + CO2 =>
Na2CO3 + CuCl2 = 2 NaCl + CuO + CO2
NaOH + HCl = NaCl + OH2 =>
NaOH + HCl = NaCl + OH2
MgCl2 + AgNO3 = AgCl + Mg(NO3)2 =>
MgCl2 + 2 AgNO3 = 2 AgCl + Mg(NO3)2
H2SO4 + KI + Na2SO4 = I2 + Na2S + K2SO4 + H2O =>
4 H2SO4 + 8 KI + Na2SO4 = 4 I2 + Na2S + 4 K2SO4 + 4 H2O
I5{-} + HSO3{-} + H2O = I{-} + H{+} + SO4{-} =>
3 I5{-} + 4 HSO3{-} + 4 H2O = 15 I{-} + 12 H{+} + 4 SO4{-}
C3H10Si + O2 = SiO2 + CO2 + H2O =>
2 C3H10Si + 13 O2 = 2 SiO2 + 6 CO2 + 10 H2O
CH3COONH4 + Ca(OH)2 = (CH3COO)2Ca + H2O + NH3 =>
2 CH3COONH4 + Ca(OH)2 = (CH3COO)2Ca + 2 H2O + 2 NH3
C + NO2 = CO2 + NO =>
C + 2 NO2 = CO2 + 2 NO
H2SO4 + NaOH = Na2SO4 + OHH =>
H2SO4 + 2 NaOH = Na2SO4 + 2 OHH
Al(OH)3 + CuCl2 = AlCl3 + Cu(OH)2 =>
2 Al(OH)3 + 3 CuCl2 = 2 AlCl3 + 3 Cu(OH)2
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
Fe + HNO3 = Fe(NO3)2 + NO + H2O =>
3 Fe + 8 HNO3 = 3 Fe(NO3)2 + 2 NO + 4 H2O
Si + Br = SiBr4 =>
Si + 4 Br = SiBr4
Fe + HNO3 = Fe(NO3)2 + NO + H2O =>
3 Fe + 8 HNO3 = 3 Fe(NO3)2 + 2 NO + 4 H2O
U + Te = U3Te7 =>
3 U + 7 Te = U3Te7
Al2O3 + HNO3 = Al(NO3)3 + H2O =>
Al2O3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O
Al + Ca(OH)2 + H2O = Ca[Al(OH)4]2 + H2 =>
2 Al + Ca(OH)2 + 6 H2O = Ca[Al(OH)4]2 + 3 H2
Co2O3 = Co + O2 =>
2 Co2O3 = 4 Co + 3 O2
NaHCO3 + H2SO4 = H2O(l) + CO2(g) + Na2SO4(aq) =>
2 NaHCO3 + H2SO4 = 2 H2O(l) + 2 CO2(g) + Na2SO4(aq)
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
Bi2O3 + ClO{-} = BiO3 + Cl{-} =>
Bi2O3 + 3 ClO{-} = 2 BiO3 + 3 Cl{-}
Ge + H = GeH =>
Ge + H = GeH
Cl2 + OH = ClO4 + H2O =>
Cl2 + 16 OH = 2 ClO4 + 8 H2O
I2 + KF = K + I2F =>
I2 + KF = K + I2F
C6H14 + Na = C6H12Na + H2 =>
C6H14 + Na = C6H12Na + H2
(NH4)4C + Al2(SO4)3 = (NH4)2SO4 + Al4C3 =>
3(NH4)4C + 2 Al2(SO4)3 = 6(NH4)2SO4 + Al4C3
NiO + NaOH = Ni(OH)2 + Na2O =>
NiO + 2 NaOH = Ni(OH)2 + Na2O
KC2O2 = KC2 + O3 =>
3 KC2O2 = 3 KC2 + 2 O3
BaCl2 + K2Cr2O7 + NaOH = BaCr2O7 + NaCl + KOH =>
BaCl2 + K2Cr2O7 + 2 NaOH = BaCr2O7 + 2 NaCl + 2 KOH
Ca(No3)2 + Na2B4O7 = CaB4O7 + NaNo3 =>
Ca(No3)2 + Na2B4O7 = CaB4O7 + 2 NaNo3
NH4NO3 = O2 + N2 + H2O =>
2 NH4NO3 = O2 + 2 N2 + 4 H2O
KOH + C = K + CO2 + H2O =>
4 KOH + C = 4 K + CO2 + 2 H2O
AlCl3 + Al + H2O = H2 + Al(OH)2Cl =>
AlCl3 + 2 Al + 6 H2O = 3 H2 + 3 Al(OH)2Cl
Hg + HCl = Hg(Cl2)2 + H =>
Hg + 4 HCl = Hg(Cl2)2 + 4 H
FeSO4 + Ag(NO3) = Ag + Fe(NO3)2 + SO4 =>
FeSO4 + 2 Ag(NO3) = 2 Ag + Fe(NO3)2 + SO4
CaCO3 + HCl = CaCO3Cl + H3 =>
3 CaCO3 + 3 HCl = 3 CaCO3Cl + H3
HCOOH + Cu(OH)2(t) = Cu2O + CO2 + H2O =>
HCOOH + 2 Cu(OH)2(t) = Cu2O + CO2 + 3 H2O
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Équations équilibrées sur11/23/24
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