| Équations équilibrées la veille |
SO2 + 2 NaOH = H2O + Na2SO3
C + H2 = C2H2 =>
2 C + H2 = C2H2
SO2 + Cl2 + H2O = HCl + H2SO4 =>
SO2 + Cl2 + 2 H2O = 2 HCl + H2SO4
CH3COONa + H2O = CH3COOH + Na + OH =>
CH3COONa + H2O = CH3COOH + Na + OH
Ca + HNO3 = Ca(NO3)2 + N2O + H2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + N2O + 5 H2O
K2Cr2O7 + FeCl2 + H2SO4 = K2SO4 + Cr2(SO4)3 + Fe2(SO4)3 + KClO3 + H2O =>
13 K2Cr2O7 + 6 FeCl2 + 55 H2SO4 = 7 K2SO4 + 13 Cr2(SO4)3 + 3 Fe2(SO4)3 + 12 KClO3 + 55 H2O
MgCl2 + K2CO3 = KCl + MgCO3 =>
MgCl2 + K2CO3 = 2 KCl + MgCO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
PbS + H2SO4 = H2S + Pb(SO4)2 + H2O =>
4 PbS + 9 H2SO4 = 5 H2S + 4 Pb(SO4)2 + 4 H2O
CaOH2SO4 = CaSO4H2O =>
CaOH2SO4 = CaSO4H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
BaO2 = BaO + O2 =>
2 BaO2 = 2 BaO + O2
Ba + N2 = Ba3N2 =>
3 Ba + N2 = Ba3N2
HCl + SO2 = Cl2 + H2S + H2O =>
6 HCl + SO2 = 3 Cl2 + H2S + 2 H2O
AlN + NaOH = Al(OH)3 + Na3N =>
AlN + 3 NaOH = Al(OH)3 + Na3N
CO2 + Na = CO + Na2O =>
CO2 + 2 Na = CO + Na2O
AlN + NaOH = Al(OH)3 + Na3N =>
AlN + 3 NaOH = Al(OH)3 + Na3N
NaHCO3(aq) + HCI(aq) = H2O(l) + NaCI(aq) + CO2(g) =>
NaHCO3(aq) + HCI(aq) = H2O(l) + NaCI(aq) + CO2(g)
Ca(HCO3)2 + KOH = CaCO3 + K2CO3 + H2O =>
Ca(HCO3)2 + 2 KOH = CaCO3 + K2CO3 + 2 H2O
C10H7OH + KOH = C10H7O + K + H2O =>
C10H7OH + KOH = C10H7O + K + H2O
Fe2S3 + NO3{-} + H{+} = Fe{3+} + SO4{2-} + NO{+} + H2O =>
Fe2S3 + 12 NO3{-} + 24 H{+} = 2 Fe{3+} + 3 SO4{2-} + 12 NO{+} + 12 H2O
AgNO3 + Na2S2O3 + H2O = Ag2S + H2SO4 + NaNO3 =>
2 AgNO3 + Na2S2O3 + H2O = Ag2S + H2SO4 + 2 NaNO3
K2SO4 + Mg(NO3)2 = KNO3 + MgSO4 =>
K2SO4 + Mg(NO3)2 = 2 KNO3 + MgSO4
HCl + SO3 = H2SO3 + Cl2 =>
2 HCl + SO3 = H2SO3 + Cl2
Al + NO3{-} + H2O = Al{+3} + NH3 + OH{-} =>
8 Al + 3 NO3{-} + 18 H2O = 8 Al{+3} + 3 NH3 + 27 OH{-}
Kl + Pb(NO3)2 = Kl(NO3)2 + Pb =>
Kl + Pb(NO3)2 = Kl(NO3)2 + Pb
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Na2B4O7 + HCl = NaCl + B2O3 + H2O =>
Na2B4O7 + 2 HCl = 2 NaCl + 2 B2O3 + H2O
CO2 + OH = H2O + CO3 =>
CO2 + 2 OH = H2O + CO3
PbS + H2SO4 = H2S + Pb(SO4)2 + H2O =>
4 PbS + 9 H2SO4 = 5 H2S + 4 Pb(SO4)2 + 4 H2O
H3CCOCH3 + CaCO3 = Ca(CH3COO)2 =>
H3CCOCH3 + CaCO3 = Ca(CH3COO)2
K2Cr2O7 + H2SO4 + Na2SO3 = K2SO4 + Cr2(SO4)3 + Na2SO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 Na2SO3 = K2SO4 + Cr2(SO4)3 + 3 Na2SO4 + 4 H2O
Na2B4O7 + HCl = NaCl + NaHB4O7 =>
Na2B4O7 + HCl = NaCl + NaHB4O7
Na + At = NaAt =>
Na + At = NaAt
Bi(NO3)3 + NaOH + Na2SnO2 + H2O = Bi + Na2[Sn(OH)6] + NaNO3 =>
2 Bi(NO3)3 + 6 NaOH + 3 Na2SnO2 + 6 H2O = 2 Bi + 3 Na2[Sn(OH)6] + 6 NaNO3
HOOCCOOH + Na = HOOCCOONa + H2 =>
2 HOOCCOOH + 2 Na = 2 HOOCCOONa + H2
Cu + PdCl = CuCl + Pd =>
Cu + PdCl = CuCl + Pd
Na + Mg(HCO3)2 = Na(HCO3)2 + Mg =>
Na + Mg(HCO3)2 = Na(HCO3)2 + Mg
CH3COOH + C2H5OH + CH4N2O + HCl = C12H14Cl2N2 + H2O =>
6 CH3COOH + 5 C2H5OH + 2 CH4N2O + 4 HCl = 2 C12H14Cl2N2 + 19 H2O
Al + CuOH = AlOH + Cu =>
Al + CuOH = AlOH + Cu
Al2O3 + KOH = K(AlO2) + H2O =>
Al2O3 + 2 KOH = 2 K(AlO2) + H2O
Na{+} + Cl{4-} = Na4Cl =>
4 Na{+} + Cl{4-} = Na4Cl
P2O5 + H2O(l) = H3PO4(aq) =>
P2O5 + 3 H2O(l) = 2 H3PO4(aq)
HCl = Cl2 + H2 =>
2 HCl = Cl2 + H2
Cu2S + CaCl2 = CuCl + CaS =>
Cu2S + CaCl2 = 2 CuCl + CaS
Pb(OH)2 + HCl = PbCl2 + H2O =>
Pb(OH)2 + 2 HCl = PbCl2 + 2 H2O
F2 + AlCl3 = AlF3 + Cl2 =>
3 F2 + 2 AlCl3 = 2 AlF3 + 3 Cl2
Kl + Pb(NO3)2 = Kl(NO3)2 + Pb =>
Kl + Pb(NO3)2 = Kl(NO3)2 + Pb
CrO4 + H2O = Cr(OH)3 + OH =>
CrO4 + 4 H2O = Cr(OH)3 + 5 OH
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
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