| Équations équilibrées la veille |
30 CrS + 84 HNO3 = 10 Cr2(SO4)3 + 10 Cr(NO3)3 + 27 N2 + 42 H2O
CaWO4 + Na2CO3 = Na2WO4 + CaO + CO2 =>
CaWO4 + Na2CO3 = Na2WO4 + CaO + CO2
Al2(SO4)3 + NaOH = Al(OH)3 + Na2 + SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2 + 3 SO4
F2 + O{2-} = O2 + F{-} =>
2 F2 + 2 O{2-} = O2 + 4 F{-}
SO3 + NaOH = SO3(OH)2 + Na =>
SO3 + 2 NaOH = SO3(OH)2 + 2 Na
CH3CN + KOH = CH2CN(K) + H2O =>
CH3CN + KOH = CH2CN(K) + H2O
CaCl2 + AgNO3 = AgCl + Ca(NO3)2 =>
CaCl2 + 2 AgNO3 = 2 AgCl + Ca(NO3)2
Na + AuCl = NaCl + Au =>
Na + AuCl = NaCl + Au
O + H2O = HO3 =>
5 O + H2O = 2 HO3
KCI + Ca = Ca(CI)2 + K =>
2 KCI + Ca = Ca(CI)2 + 2 K
H2PHO3 + NH4OH = (NH4)2PHO3 + H2O =>
H2PHO3 + 2 NH4OH = (NH4)2PHO3 + 2 H2O
HNC + CuSO4 = H2SO4 + Cu(CN)2 =>
2 HNC + CuSO4 = H2SO4 + Cu(CN)2
Pb2 + Zn2(C2H3O2)2 = Zn2 + Pb(C2H3O2)2 =>
Pb2 + 2 Zn2(C2H3O2)2 = 2 Zn2 + 2 Pb(C2H3O2)2
Cr2O7{2-} + H{+} + NO2{-} = NO3{-} + Cr{3+} + H2O =>
Cr2O7{2-} + 8 H{+} + 3 NO2{-} = 3 NO3{-} + 2 Cr{3+} + 4 H2O
(Na2SO3) + S = Na2S2O3 =>
(Na2SO3) + S = Na2S2O3
BaCl2 + NH4NO3 = BaO2 + NH4Cl + NO2 =>
BaCl2 + 2 NH4NO3 = BaO2 + 2 NH4Cl + 2 NO2
CdCO3 + HCl = CO2 + H2O + CdCl2 =>
CdCO3 + 2 HCl = CO2 + H2O + CdCl2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ba(OH)2 + C3H7COOH = Ba(C3H7COO)2 + H2O =>
Ba(OH)2 + 2 C3H7COOH = Ba(C3H7COO)2 + 2 H2O
NH4HO + AlCl3 = NH4Cl + Al(OH)3 =>
3 NH4HO + AlCl3 = 3 NH4Cl + Al(OH)3
AgS + KCN = Ag(CN)2 + K2S =>
AgS + 2 KCN = Ag(CN)2 + K2S
FeC2O4*2H2O + K2C2O4 = Fe(KC2O4)2 + H2O =>
FeC2O4*2H2O + K2C2O4 = Fe(KC2O4)2 + 2 H2O
CaCl2 + H2O = CaO + H2Cl2 =>
CaCl2 + H2O = CaO + H2Cl2
KMnO4 + NaH + H2O = KOH + MnO2 + NaOH =>
2 KMnO4 + 3 NaH + H2O = 2 KOH + 2 MnO2 + 3 NaOH
Be + OH = Be(OH) =>
Be + OH = Be(OH)
H(C2H3O2) + Al(OH) = H2O + Al(C2H3O2) =>
H(C2H3O2) + Al(OH) = H2O + Al(C2H3O2)
C4H9OH = H2O + C2H4 =>
C4H9OH = H2O + 2 C2H4
Fe{+2} + MnO2 + H{+} = Fe{+3} + Mn{+2} + H2O =>
2 Fe{+2} + MnO2 + 4 H{+} = 2 Fe{+3} + Mn{+2} + 2 H2O
Ca + Ca(NO3)2 = CaO + N2 =>
5 Ca + Ca(NO3)2 = 6 CaO + N2
AgNO3 + Na2S2O3*5H2O = Ag2S2O3*5H2O + Na(NO3) =>
2 AgNO3 + Na2S2O3*5H2O = Ag2S2O3*5H2O + 2 Na(NO3)
C9999H20000 + O2 = H2O + CO2 =>
C9999H20000 + 14999 O2 = 10000 H2O + 9999 CO2
NaH + KOH = NaOH + H2 + K =>
2 NaH + 2 KOH = 2 NaOH + H2 + 2 K
NaClO3(s) = NaCl(a) + O2(g) =>
2 NaClO3(s) = 2 NaCl(a) + 3 O2(g)
PbI4 + O2 = PbO + I2 =>
2 PbI4 + O2 = 2 PbO + 4 I2
[C2H4]25 + O2 = CO2 + H2O =>
[C2H4]25 + 75 O2 = 50 CO2 + 50 H2O
NaAl(OH)4 = NaOH + Al + O2 + H2O =>
4 NaAl(OH)4 = 4 NaOH + 4 Al + 3 O2 + 6 H2O
P4O10 + Fe2O3 = Fe3(PO4)3 =>
3 P4O10 + 6 Fe2O3 = 4 Fe3(PO4)3
Na2CO3 + SO4 = Na + CO3SO4 =>
Na2CO3 + SO4 = 2 Na + CO3SO4
SO2 + IO3{-} + H2O = SO42{-} + I{-} + H{+} =>
6 SO2 + 79 IO3{-} + 3 H2O = 6 SO42{-} + 79 I{-} + 6 H{+}
BaCIO3 + CsSO4 = CsCIO3 + BaSO4 =>
BaCIO3 + CsSO4 = CsCIO3 + BaSO4
CH3CH2(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3COCH3 + H2O =>
2 CH3CH2(OH)CH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 2 CH3COCH3 + 7 H2O
Li + C = Li4C3 =>
4 Li + 3 C = Li4C3
NaF + Pb(NO3)2 = NaNO3 + PbF2 =>
2 NaF + Pb(NO3)2 = 2 NaNO3 + PbF2
Pb + Ag2CrO4 = Ag + Pb(CrO4)2 =>
Pb + 2 Ag2CrO4 = 4 Ag + Pb(CrO4)2
Ba3(PO4)2 = BaO + P2O5 =>
Ba3(PO4)2 = 3 BaO + P2O5
Ca(IO3)2 + SO2 + H2O = I2 + CaSO4 + H2SO4 =>
Ca(IO3)2 + 5 SO2 + 4 H2O = I2 + CaSO4 + 4 H2SO4
Co(Cl)2 + NaOH = CoOH + (Cl)2Na =>
Co(Cl)2 + NaOH = CoOH + (Cl)2Na
OH + H2SO3 = HSO4 + H2O =>
3 OH + H2SO3 = HSO4 + 2 H2O
BaCO3 + Al2 = Ba2 + Al2(CO3)3 =>
6 BaCO3 + 2 Al2 = 3 Ba2 + 2 Al2(CO3)3
K2S + PbSO4 = PbS + K2SO4 =>
K2S + PbSO4 = PbS + K2SO4
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