| Équations équilibrées la veille |
HNO3 + FrOH = H2O + FrNO3
[CrO4]{2-} + H2O + Cu = Cr(OH)3 + Cu(OH)2 + OH{-} =>
2[CrO4]{2-} + 8 H2O + 3 Cu = 2 Cr(OH)3 + 3 Cu(OH)2 + 4 OH{-}
Sr(HSO4)2 + NaHCO3 = NaHSO4 + Sr(HCO3)2 =>
Sr(HSO4)2 + 2 NaHCO3 = 2 NaHSO4 + Sr(HCO3)2
H2S + SC2O3 = SC2S3 + H2O =>
3 H2S + SC2O3 = SC2S3 + 3 H2O
Ba(NO3)2 + Na2S(aq) = BaS(s) + NaNO3(aq) =>
Ba(NO3)2 + Na2S(aq) = BaS(s) + 2 NaNO3(aq)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Fe(NO3)2 + H2O = FeOHNO3 + HNO3 =>
Fe(NO3)2 + H2O = FeOHNO3 + HNO3
Bi(NO3)3 + K2S = Bi2S3 + KNO3 =>
2 Bi(NO3)3 + 3 K2S = Bi2S3 + 6 KNO3
CuI2 = CuI + I2 =>
2 CuI2 = 2 CuI + I2
H2SO3 + HOH + I2 = SO4{-2} + H{+} + HI =>
H2SO3 + HOH + I2 = SO4{-2} + 2 H{+} + 2 HI
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
CH4(g) + O2(g) = CO2(g) + H2O(g) =>
CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(g)
FeC2O4*H2O = Fe2O3 + CO + CO2 + H2O =>
2 FeC2O4*H2O = Fe2O3 + 3 CO + CO2 + 2 H2O
C2H4 + KMnO4 = C2MnO4 + H4K =>
C2H4 + KMnO4 = C2MnO4 + H4K
HI(l) + NaOH(s) = NaI + H2O =>
HI(l) + NaOH(s) = NaI + H2O
Y20O30 + Yb20O30 + Lu20O30 + La20O30 + Sc20O30 + Si10O20 = Y4Yb4Lu4La4Sc4Si20O70 =>
Y20O30 + Yb20O30 + Lu20O30 + La20O30 + Sc20O30 + 10 Si10O20 = 5 Y4Yb4Lu4La4Sc4Si20O70
NaNO3 + HCl = NaClO3 + HN =>
NaNO3 + HCl = NaClO3 + HN
H2SO4 + NaOH = SO4Na + H3O =>
H2SO4 + NaOH = SO4Na + H3O
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
PH3 + Cl2 = PCl3 + HCl =>
PH3 + 3 Cl2 = PCl3 + 3 HCl
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
NaOH(aq) + Mg(NO3)2(aq) = Mg(OH)2 + NaNO3 =>
2 NaOH(aq) + Mg(NO3)2(aq) = Mg(OH)2 + 2 NaNO3
K3[Fe(CN)6] + KI + HCl + C6H6 = FeCl2 + C6H6I2 + KCl + HCN =>
2 K3[Fe(CN)6] + 2 KI + 12 HCl + C6H6 = 2 FeCl2 + C6H6I2 + 8 KCl + 12 HCN
HCl + Mn(NO3)2 = HNO3 + MnCl2 =>
2 HCl + Mn(NO3)2 = 2 HNO3 + MnCl2
FeSCN + K(NO3)3 = Fe(NO3)3 + KSCN =>
FeSCN + K(NO3)3 = Fe(NO3)3 + KSCN
CuCl + C2H2 + H2O = Cu2C2H2O + HCl =>
2 CuCl + C2H2 + H2O = Cu2C2H2O + 2 HCl
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
C(s) + Al(OH)3(s) = H2O(g) + Al(s) + CO2(g) =>
3 C(s) + 4 Al(OH)3(s) = 6 H2O(g) + 4 Al(s) + 3 CO2(g)
Na2S6 + NaOH = Na2S2O3 + NaHS + H2O =>
4 Na2S6 + 16 NaOH = 5 Na2S2O3 + 14 NaHS + H2O
CH3COONa + NaOH = CH3COOOH + Na =>
CH3COONa + NaOH = CH3COOOH + 2 Na
XeF2(g) + H2O(i) = Xe(g) + HF(g) + O2(g) =>
2 XeF2(g) + 2 H2O(i) = 2 Xe(g) + 4 HF(g) + O2(g)
NaNO3 + Gd(NO3)3 + (NH4)2HPO4 + NH2CONH2 = Na3Gd(PO4)2 + H2O + CO2 + N2 =>
3 NaNO3 + Gd(NO3)3 + 2(NH4)2HPO4 + 3 NH2CONH2 = Na3Gd(PO4)2 + 15 H2O + 3 CO2 + 8 N2
Sr2(P2O7) + Na(CO3) = Sr2(CO3) + Na(P2O7) =>
Sr2(P2O7) + Na(CO3) = Sr2(CO3) + Na(P2O7)
K + H2SO3 = K(SO3)2 + H2 =>
K + 2 H2SO3 = K(SO3)2 + 2 H2
Fe(OH)2 + K2CrO4 + H2O = Fe(OH)3 + KCr(OH)4 + K(OH) =>
3 Fe(OH)2 + K2CrO4 + 4 H2O = 3 Fe(OH)3 + KCr(OH)4 + K(OH)
ZnO(s) + C(s) = Zn(s) + CO =>
ZnO(s) + C(s) = Zn(s) + CO
C14H12O8 + O2 = CO2 + H2O =>
C14H12O8 + 13 O2 = 14 CO2 + 6 H2O
AgS2 + H = Ag + H2S =>
AgS2 + 4 H = Ag + 2 H2S
CrTeO4 + H2TeO4 + HNO3 = Cr2(TeO4)3 + NO + H2O =>
6 CrTeO4 + 3 H2TeO4 + 2 HNO3 = 3 Cr2(TeO4)3 + 2 NO + 4 H2O
NiCl2 + Na3PO4 = Ni3(PO4)2 + NaCl =>
3 NiCl2 + 2 Na3PO4 = Ni3(PO4)2 + 6 NaCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
FeN3O9 + NH3 + H2O = FeO3H3 + NH4NO3 =>
FeN3O9 + 3 NH3 + 3 H2O = FeO3H3 + 3 NH4NO3
Na2SO4 + S = Na2S2O4 =>
Na2SO4 + S = Na2S2O4
Ba(NO3)2(aq) + Na2SO4 = BaSO4(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + Na2SO4 = BaSO4(s) + 2 NaNO3(aq)
Zn(CH3COO)22H2O = Zn + CH3COO + H2O =>
Zn(CH3COO)22H2O = Zn + 22 CH3COO + H2O
Na3[Cr(OH)6] + NaOH + PbO2 = Na2CrO4 + H2O + Na[Pb(OH)3] =>
2 Na3[Cr(OH)6] + NaOH + 3 PbO2 = 2 Na2CrO4 + 2 H2O + 3 Na[Pb(OH)3]
KClO3 + CaCl2 = Ca(ClO)2 + KCl =>
2 KClO3 + 3 CaCl2 = 3 Ca(ClO)2 + 2 KCl
C9H21N4O4S3 + O2 = CO2 + H2O + SO4 + NO3 =>
4 C9H21N4O4S3 + 97 O2 = 36 CO2 + 42 H2O + 12 SO4 + 16 NO3
Be3(PO4)2 + Li2(CO3) = BeCO3 + Li3PO4 =>
Be3(PO4)2 + 3 Li2(CO3) = 3 BeCO3 + 2 Li3PO4
CaCO3(s) + H2SO4(aq) = CaSO4(g) + H2O(l) + CO2(g) =>
CaCO3(s) + H2SO4(aq) = CaSO4(g) + H2O(l) + CO2(g)
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Équations équilibrées sur01/27/25
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