| Équations équilibrées la veille |
2 N2H8Cr2O7 + 3 O2 = 2 N2 + 8 H2O + 2 Cr2O6
Ca3P2 + Cl2 + H2O = Ca(OH)2 + HCl + H3PO4 =>
Ca3P2 + 8 Cl2 + 14 H2O = 3 Ca(OH)2 + 16 HCl + 2 H3PO4
H{+} + Cr2O7{3-} + SO2 = Cr{3+} + H2O + SO4{2-} =>
8 H{+} + 2 Cr2O7{3-} + 5 SO2 = 4 Cr{3+} + 4 H2O + 5 SO4{2-}
NH4OH + O2 + SO2 = (NH4)2(SO4) + H2O =>
4 NH4OH + O2 + 2 SO2 = 2(NH4)2(SO4) + 2 H2O
NaCl + AlSO4 = AlCl + NaSO4 =>
NaCl + AlSO4 = AlCl + NaSO4
Al + H2O + NaCl = AlCl2 + H2 + NaOH =>
Al + 2 H2O + 2 NaCl = AlCl2 + H2 + 2 NaOH
Ag + OH = AgOH =>
Ag + OH = AgOH
Na2O + P = Na3P + O2 =>
6 Na2O + 4 P = 4 Na3P + 3 O2
PbO2 + KI + H2SO4 = I2 + K2SO4 + PbSO4 + H2O =>
PbO2 + 2 KI + 2 H2SO4 = I2 + K2SO4 + PbSO4 + 2 H2O
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
HCl(aq) + NaOH(s) = NaCl(aq) + H2O(l) =>
HCl(aq) + NaOH(s) = NaCl(aq) + H2O(l)
NaNO3 + Cu(NO3)2 = Na(NO3)2 + CuNO3 =>
NaNO3 + Cu(NO3)2 = Na(NO3)2 + CuNO3
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
CH3COONa + H2SO4 = CH3COOH + Na2SO4 =>
2 CH3COONa + H2SO4 = 2 CH3COOH + Na2SO4
HNO3 + HN = H2O + NO =>
HNO3 + HN = H2O + 2 NO
TiH + HNO3 = Ti(NO3)4 + H2 =>
2 TiH + 8 HNO3 = 2 Ti(NO3)4 + 5 H2
NaCI + AgF = NaF + AgCI =>
NaCI + AgF = NaF + AgCI
PC15 = C15 + PC13 =>
15 PC15 = 2 C15 + 15 PC13
KIO3 + Al + HCl = I2 + AlCl3 + KCl3 + H2O =>
2 KIO3 + 2 Al + 12 HCl = I2 + 2 AlCl3 + 2 KCl3 + 6 H2O
Fe + KClO3 + KOH = K2FeO4 + HCl =>
Fe + KClO3 + KOH = K2FeO4 + HCl
Mg(HCO3)2 + HPO4 = Mg(PO4)2 + H2O + CO2 =>
Mg(HCO3)2 + 2 HPO4 = Mg(PO4)2 + 2 H2O + 2 CO2
Sr + H2O = Sr(OH)2 + H2 =>
Sr + 2 H2O = Sr(OH)2 + H2
Zn + Ni3(PO4)2 = Ni + Zn(PO4)2 =>
Zn + Ni3(PO4)2 = 3 Ni + Zn(PO4)2
C12H22N4O5 + H2O = C3H7NO2 =>
C12H22N4O5 + 3 H2O = 4 C3H7NO2
B3N3H6 + O2 = N2O5 + B2O3 + H2O =>
2 B3N3H6 + 15 O2 = 3 N2O5 + 3 B2O3 + 6 H2O
LiOH + H2CO3 = Li2CO3 + H2O =>
2 LiOH + H2CO3 = Li2CO3 + 2 H2O
Cu(OH)2 + Na2O + H2O = Na2[Cu(OH)4] =>
Cu(OH)2 + Na2O + H2O = Na2[Cu(OH)4]
HClO4 + Al = H2 + Al(ClO4) =>
2 HClO4 + 2 Al = H2 + 2 Al(ClO4)
KCl + I2 = KI + Cl2 =>
2 KCl + I2 = 2 KI + Cl2
Fe((NO)3)3 + (NH)4OH = Fe(OH)3 + (NH)4(NO)3 =>
Fe((NO)3)3 + 3(NH)4OH = Fe(OH)3 + 3(NH)4(NO)3
C2H6 + O2 = CO3 + H =>
C2H6 + 3 O2 = 2 CO3 + 6 H
PbCO3 + ZnSO4 = PbSO4 + ZnCO3 =>
PbCO3 + ZnSO4 = PbSO4 + ZnCO3
CuBr2(aq) + Na2S(aq) = CuS(s) + NaBr(aq) =>
CuBr2(aq) + Na2S(aq) = CuS(s) + 2 NaBr(aq)
KOH(aq) + CuCl2(aq) = Cu(OH)2 + KCl =>
2 KOH(aq) + CuCl2(aq) = Cu(OH)2 + 2 KCl
Ca(ClO3)2 + NaOH = NaClO3 + Ca(OH)2 =>
Ca(ClO3)2 + 2 NaOH = 2 NaClO3 + Ca(OH)2
Fe(NO3)3(aq) + Na2CO3(aq) = Fe(CO3)3(s) + Na2(aq) + NO3(aq) =>
Fe(NO3)3(aq) + 3 Na2CO3(aq) = Fe(CO3)3(s) + 3 Na2(aq) + 3 NO3(aq)
SrSO3 + H2O = Sr(OH)2 + Sr(HSO3)2 =>
2 SrSO3 + 2 H2O = Sr(OH)2 + Sr(HSO3)2
CrI3 + KOH + CI = K2CrO4 + KIO4 + KCI + H2O =>
CrI3 + 32 KOH + 27 CI = K2CrO4 + 3 KIO4 + 27 KCI + 16 H2O
Pb(NO3) + NH4(SO4) = NH4(NO3) + Pb(SO4) =>
Pb(NO3) + NH4(SO4) = NH4(NO3) + Pb(SO4)
SI + KOH + H2O = K2SIO3 + H2 =>
SI + 2 KOH + H2O = K2SIO3 + 2 H2
CH3CH2CH2CH3CH3 + O2 = CO2 + H2O =>
4 CH3CH2CH2CH3CH3 + 33 O2 = 20 CO2 + 26 H2O
Ba(NO3)2 + Fe2(SO4)3 = BaSO4 + Fe(NO3)3 =>
3 Ba(NO3)2 + Fe2(SO4)3 = 3 BaSO4 + 2 Fe(NO3)3
Ca + Li + F + O + Rn + I + A = CaLiF2O3RnI2A =>
Ca + Li + 2 F + 3 O + Rn + 2 I + A = CaLiF2O3RnI2A
HNO2 + C5H5N = NO2C5H5 + NH =>
HNO2 + C5H5N = NO2C5H5 + NH
CH3COONa + H2SO4 = CH3COOH + NaHSO4 =>
CH3COONa + H2SO4 = CH3COOH + NaHSO4
KMnO4 + Fe2(SO4)3 = Fe2MnO4 + K(SO4)3 =>
KMnO4 + Fe2(SO4)3 = Fe2MnO4 + K(SO4)3
Co + B = Co2B =>
2 Co + B = Co2B
Cr3{+} + H2O2 + OH{-} = (CrO4)2{-} + H2O =>
4 Cr3{+} + 43 H2O2 + 10 OH{-} = 6(CrO4)2{-} + 48 H2O
HCOOH + Ca(OH)2 = HCOO + Ca + H2O =>
2 HCOOH + Ca(OH)2 = 2 HCOO + Ca + 2 H2O
C8H10 + KMnO4 + H2SO4 = C6H4(COOH)2 + K2SO4 + MnSO4 + H2O =>
5 C8H10 + 12 KMnO4 + 18 H2SO4 = 5 C6H4(COOH)2 + 6 K2SO4 + 12 MnSO4 + 28 H2O
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