| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Zn + H2 = 2 ZnH
H2CO3 + KH = KCO3 + H2 =>
2 H2CO3 + 2 KH = 2 KCO3 + 3 H2
Ca + I = CaI2 =>
Ca + 2 I = CaI2
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
Zn + Cu(SO4) = Cu + Zn(SO4) =>
Zn + Cu(SO4) = Cu + Zn(SO4)
MnO4{-} + I{-} + H2O = MnO2 + IO3{-} + OH{-} =>
2 MnO4{-} + I{-} + H2O = 2 MnO2 + IO3{-} + 2 OH{-}
Zn(s) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn(s) + 2 HCl(aq) = ZnCl2(aq) + H2(g)
HI + Ba(OH)2 = H2O + BaI2 =>
2 HI + Ba(OH)2 = 2 H2O + BaI2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Ba(OH)2 + H2 = Ba + H2O =>
Ba(OH)2 + H2 = Ba + 2 H2O
AGNO3 + KBr = AGBr + KNO3 =>
AGNO3 + KBr = AGBr + KNO3
Ca(NO3)2 + (NH4)3PO4 = Ca3(PO4)2 + NH4NO3 =>
3 Ca(NO3)2 + 2(NH4)3PO4 = Ca3(PO4)2 + 6 NH4NO3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
AgNO3 = Ag + NO2 + O2 =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
K3PO4 + HCI = KCI + H3PO4 =>
K3PO4 + 3 HCI = 3 KCI + H3PO4
Br2 + I{-} = Br{-} + I2 =>
Br2 + 2 I{-} = 2 Br{-} + I2
LiOH + Cr(NO3)3 = LiNO3 + Cr(OH)3 =>
3 LiOH + Cr(NO3)3 = 3 LiNO3 + Cr(OH)3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
BaSO4 + NaOH = Na2SO4 + Ba(OH)2 =>
BaSO4 + 2 NaOH = Na2SO4 + Ba(OH)2
Cu(NO3)2 + NaOH = CuOH + (NO3)2Na =>
Cu(NO3)2 + NaOH = CuOH + (NO3)2Na
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
PbCO3 + Na2S = PbS + Na2CO3 =>
PbCO3 + Na2S = PbS + Na2CO3
CaCO3 + HCl = CaCl + HCO3 =>
CaCO3 + HCl = CaCl + HCO3
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
H2 + J2 = HJ =>
H2 + J2 = 2 HJ
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
KI + K2Cr2O7 + H2SO4 = I2 + K2SO4 + Cr2(SO4)3 + H2O =>
6 KI + K2Cr2O7 + 7 H2SO4 = 3 I2 + 4 K2SO4 + Cr2(SO4)3 + 7 H2O
KI + Br2 = KBr + I2 =>
2 KI + Br2 = 2 KBr + I2
Mg(OH)2 = Mg + OH =>
Mg(OH)2 = Mg + 2 OH
BaO + H2 = Ba + H2O =>
BaO + H2 = Ba + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KMNO4 + NANO2 + KOH = K2MNO4 + NANO3 + H2O =>
2 KMNO4 + NANO2 + 2 KOH = 2 K2MNO4 + NANO3 + H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
C3H5(NO3)3 = N2 + O2 + H2O + CO2 =>
4 C3H5(NO3)3 = 6 N2 + O2 + 10 H2O + 12 CO2
Ca2C + O2 = Ca + CO2 =>
Ca2C + O2 = 2 Ca + CO2
Li2O + H2 = Li + H2O =>
Li2O + H2 = 2 Li + H2O
Na2MoO4 + Na2SO3 + HCl = Mo5O14 + H2O + Na2SO4 + NaCl =>
5 Na2MoO4 + Na2SO3 + 10 HCl = Mo5O14 + 5 H2O + Na2SO4 + 10 NaCl
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
I2 + H2S = HI + S2 =>
2 I2 + 2 H2S = 4 HI + S2
K3PO4 + BaCl2 = KCl + Ba3(PO4)2 =>
2 K3PO4 + 3 BaCl2 = 6 KCl + Ba3(PO4)2
KOH + Na2Cr2O7 = K2Cr2O7 + NaOH =>
2 KOH + Na2Cr2O7 = K2Cr2O7 + 2 NaOH
LiOH = Li + OH =>
LiOH = Li + OH
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HI = H + I =>
HI = H + I
Cu(OH)2 + C2H6O2 = C2H5O2 + Cu2O + H2O =>
2 Cu(OH)2 + 2 C2H6O2 = 2 C2H5O2 + Cu2O + 3 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
NaOH(aq) + HCLO4(aq) = NaCLO4(aq) + H2O =>
NaOH(aq) + HCLO4(aq) = NaCLO4(aq) + H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
B2H6 + O2 = B2O3 + H2O =>
B2H6 + 3 O2 = B2O3 + 3 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/08/14
Équations équilibrées sur12/08/13
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