| Équations équilibrées la veille |
6 C2H6 + 2 CO2 + 3 H2O = 7 C2H6O
Bi2O3 + NaOH + NaOCl = NaBiO3 + H2O + NaCl =>
Bi2O3 + 2 NaOH + 2 NaOCl = 2 NaBiO3 + H2O + 2 NaCl
NaAsO2 + SNC = S(AsO2)2 + Na2NC =>
2 NaAsO2 + SNC = S(AsO2)2 + Na2NC
K3PO4 + Fe(NO3)2 = K3(NO3)2 + FePO4 =>
K3PO4 + Fe(NO3)2 = K3(NO3)2 + FePO4
C3H7OH + C3H7COOH = C3H7COOC3H7 + H2O =>
C3H7OH + C3H7COOH = C3H7COOC3H7 + H2O
Ag2S + CuCl2 = AgCl2 + Cu2S =>
Ag2S + 2 CuCl2 = 2 AgCl2 + Cu2S
RCOH + Na2Cr2O7 + H2SO4 = RCO + Na2SO4 + Cr2(SO4)3 + H2O =>
6 RCOH + Na2Cr2O7 + 4 H2SO4 = 6 RCO + Na2SO4 + Cr2(SO4)3 + 7 H2O
NaOH(aq) + Fe(NO3)3(aq) = Fe(OH)3(s) + NaNO3(aq) =>
3 NaOH(aq) + Fe(NO3)3(aq) = Fe(OH)3(s) + 3 NaNO3(aq)
Pb + OH({-}) + H2O = Pb(OH)3({-}) + H2 =>
Pb + OH({-}) + 2 H2O = Pb(OH)3({-}) + H2
BaFeO4(s) + HCl(aq) = BaCl2(aq) + FeCl3(aq) + H2O(l) + Cl2(g) =>
2 BaFeO4(s) + 16 HCl(aq) = 2 BaCl2(aq) + 2 FeCl3(aq) + 8 H2O(l) + 3 Cl2(g)
C4H7ClO + CH3NH2 = C5H12NClO =>
C4H7ClO + CH3NH2 = C5H12NClO
CuCl2 + NH4OH = [Cu(NH3)6]Cl2 + H2O =>
CuCl2 + 6 NH4OH = [Cu(NH3)6]Cl2 + 6 H2O
Na2CrO4 + NaBr + HCl = CrCl3 + Br2 + NaCl + H2O =>
2 Na2CrO4 + 6 NaBr + 16 HCl = 2 CrCl3 + 3 Br2 + 10 NaCl + 8 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
LiOH + CO2 = Li + H2O + CO3 =>
2 LiOH + CO2 = 2 Li + H2O + CO3
Pb(OH2) + NO3 = Pb(NO3)2 + H2O =>
Pb(OH2) + 2 NO3 = Pb(NO3)2 + H2O
NH4Br(aq) + Pb(C2H3O2)2(aq) = NH4(C2H3O2)2(aq) + PbBr(s) =>
NH4Br(aq) + Pb(C2H3O2)2(aq) = NH4(C2H3O2)2(aq) + PbBr(s)
Zr + B = ZrB2 =>
Zr + 2 B = ZrB2
H2S + PbS = Pb2S3 + H2 =>
H2S + 2 PbS = Pb2S3 + H2
Ba(OH)2 + Ca(HCO3)2 = CaCO3 + Ba(HCO3)2 + H2O =>
Ba(OH)2 + 2 Ca(HCO3)2 = 2 CaCO3 + Ba(HCO3)2 + 2 H2O
HCl + Ba(OH)2 = H2O + Ba(OH)Cl =>
HCl + Ba(OH)2 = H2O + Ba(OH)Cl
MnO2 + HOOCCOH = MnO + H2O + CO2 =>
2 MnO2 + HOOCCOH = 2 MnO + H2O + 2 CO2
Pb(OH)C2H3O2 + CO2 = Pb3(OH)2(CO3)2 + H2O + Pb(C2H3O2)2 =>
6 Pb(OH)C2H3O2 + 2 CO2 = Pb3(OH)2(CO3)2 + 2 H2O + 3 Pb(C2H3O2)2
Sb4S6 + O2 = SbO6 + SO2 =>
Sb4S6 + 18 O2 = 4 SbO6 + 6 SO2
CuSO4 + Al(OH)3 = Cu(OH)2 + Al2(SO4)3 =>
3 CuSO4 + 2 Al(OH)3 = 3 Cu(OH)2 + Al2(SO4)3
NaI + Cl2 = I2 + NaCl2 =>
2 NaI + 2 Cl2 = I2 + 2 NaCl2
CH3COCH3 = C3H6O =>
CH3COCH3 = C3H6O
Hg + NO3 = HgNO3 =>
Hg + NO3 = HgNO3
KClO3 + H2C2O4 = KCl + CO2 + H2O =>
KClO3 + 3 H2C2O4 = KCl + 6 CO2 + 3 H2O
C2OH42(s) + O2(g) = CO2(g) + H2O(l) =>
C2OH42(s) + 12 O2(g) = 2 CO2(g) + 21 H2O(l)
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
(NH4)2S2O3 + Al(OH)3 = Al2(S2O3)3 + NH3 + H2O =>
3(NH4)2S2O3 + 2 Al(OH)3 = Al2(S2O3)3 + 6 NH3 + 6 H2O
Mg + HCl = MgCl2 + H =>
Mg + 2 HCl = MgCl2 + 2 H
Sn + H2O = HSn + OH =>
Sn + H2O = HSn + OH
Cr{3+} + OH{-} + Cl2 = CrO4{2-} + Cl{-} + H2O =>
2 Cr{3+} + 16 OH{-} + 3 Cl2 = 2 CrO4{2-} + 6 Cl{-} + 8 H2O
Pb(NO3)2 + Na2CrO4 = Pb2(CrO4)2 + NaNO3 =>
2 Pb(NO3)2 + 2 Na2CrO4 = Pb2(CrO4)2 + 4 NaNO3
PbC2O4 = Pb2O + CO + CO2 =>
2 PbC2O4 = Pb2O + CO + 3 CO2
As + NaOCl = As2O3 + NaCl =>
2 As + 3 NaOCl = As2O3 + 3 NaCl
Fe(NO3)2 + HNO3 + KMnO4 = Fe(NO3)3 + Mn(NO3)2 + KNO3 + H2O =>
5 Fe(NO3)2 + 8 HNO3 + KMnO4 = 5 Fe(NO3)3 + Mn(NO3)2 + KNO3 + 4 H2O
CH3CH(OH)COOH + PCl5 = CH3CClHCOCl + H3PO4 + HCl =>
2 CH3CH(OH)COOH + PCl5 = 2 CH3CClHCOCl + H3PO4 + HCl
NH4N5O3H2 = N2 + H2O =>
NH4N5O3H2 = 3 N2 + 3 H2O
Ga11 + As3 = GaAs =>
3 Ga11 + 11 As3 = 33 GaAs
KMnO4 + NaOH = KOH + NaMnO4 =>
KMnO4 + NaOH = KOH + NaMnO4
HClO + H2S = Cl2 + S + H2O =>
2 HClO + H2S = Cl2 + S + 2 H2O
Sc + Br = Sc3Br =>
3 Sc + Br = Sc3Br
HCl + Mg(OH)2 = Mg(HCl) + (OH)2 =>
HCl + Mg(OH)2 = Mg(HCl) + (OH)2
K2Cr2O7 + CH4N2S = Cr2O3 + H6N4C2S2 + H2O + KOH =>
K2Cr2O7 + 6 CH4N2S = Cr2O3 + 3 H6N4C2S2 + 2 H2O + 2 KOH
Fe(NO3)3 + K2S = FeS + K2(NO3)3 =>
Fe(NO3)3 + K2S = FeS + K2(NO3)3
PbSO4 + HNO3 = Pb(NO3)2 + SO3 + H2O =>
PbSO4 + 2 HNO3 = Pb(NO3)2 + SO3 + H2O
Br + MgI2 = I + MgBr =>
Br + MgI2 = 2 I + MgBr
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