| Équations équilibrées la veille |
2 Li + 2 HNo3 = 2 LiNo3 + H2
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Ag + HNO3 = AgNO3 + NO2 + H2O =>
Ag + 2 HNO3 = AgNO3 + NO2 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HCOOH + MgCO3 = (HCOO)2Mg + H2O + CO2 =>
2 HCOOH + MgCO3 = (HCOO)2Mg + H2O + CO2
I2O5 + H2O = I2O + (OH)5 =>
5 I2O5 + 20 H2O = 5 I2O + 8(OH)5
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
K2S(s) + N2(g) = KN(s) + S(s) =>
K2S(s) + N2(g) = 2 KN(s) + S(s)
NaCl + ZnO = ZnCl2 + Na2O =>
2 NaCl + ZnO = ZnCl2 + Na2O
C22H22O11 + O2 = H2O + CO2 =>
C22H22O11 + 22 O2 = 11 H2O + 22 CO2
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
Ba(OH)2 + HNO2 = Ba(OH)NO2 + H2O =>
Ba(OH)2 + HNO2 = Ba(OH)NO2 + H2O
NaCO2 + PbO2 + NaOH = Na2CO4 + Na2PbO2 + H2O =>
2 NaCO2 + 3 PbO2 + 8 NaOH = 2 Na2CO4 + 3 Na2PbO2 + 4 H2O
SO2 + KMn + H2O = MnSO4 + K2S04 + H2SO4 =>
10 SO2 + 2 KMn + 4 H2O = 2 MnSO4 + K2S04 + 4 H2SO4
Al2O3 + Cl2 + CO = AlCl3 + CO2 =>
Al2O3 + 3 Cl2 + 3 CO = 2 AlCl3 + 3 CO2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Pb(NO3)2 + H2SO4 = PbSO4 + HNO3 =>
Pb(NO3)2 + H2SO4 = PbSO4 + 2 HNO3
Fe(NO3)3(ac) + NH4SCN(ac) = FeSCN(NO3)2(ac) + NH4NO3(ac) =>
Fe(NO3)3(ac) + NH4SCN(ac) = FeSCN(NO3)2(ac) + NH4NO3(ac)
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
Cr + NaOH = Cr2O3 + NaH =>
2 Cr + 3 NaOH = Cr2O3 + 3 NaH
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Pb{2+} + ClO{-} + OH{-} = PbO2 + Cl{-} + H2O =>
Pb{2+} + ClO{-} + 2 OH{-} = PbO2 + Cl{-} + H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
SO2 + K(MnO4) + H2O = KHSO4 + H2SO4 + Mn(SO4) =>
5 SO2 + 2 K(MnO4) + 2 H2O = 2 KHSO4 + H2SO4 + 2 Mn(SO4)
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
HOBr + H2O = H3O + OBr =>
HOBr + H2O = H3O + OBr
HgS + CaO = Hg + CaSO4 + CaS =>
4 HgS + 4 CaO = 4 Hg + CaSO4 + 3 CaS
P2 + O2 = P4O10 =>
2 P2 + 5 O2 = P4O10
Pb(NO3)2 + NaI = PbI2 + Na(NO3) =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 Na(NO3)
Na2SO3 + HBr = NaBr + H2SO3 =>
Na2SO3 + 2 HBr = 2 NaBr + H2SO3
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
Sb + I2 = SbI3 =>
2 Sb + 3 I2 = 2 SbI3
C2H8 + O2 = CO2 + H2O =>
C2H8 + 4 O2 = 2 CO2 + 4 H2O
K2PtCl4 + H2 = Pt + HCl + KCl =>
K2PtCl4 + H2 = Pt + 2 HCl + 2 KCl
B + S8 = B2S3 =>
16 B + 3 S8 = 8 B2S3
CrCl + KOH = CrOH + KCl =>
CrCl + KOH = CrOH + KCl
CrCl2 + KOH + KClO3 = KCl + K2CrO4 + H2O =>
3 CrCl2 + 12 KOH + 2 KClO3 = 8 KCl + 3 K2CrO4 + 6 H2O
Cr(NO)3 + H2O2 + NaOH = Na2CrO4 + NaNO3 + H2O =>
2 Cr(NO)3 + 15 H2O2 + 10 NaOH = 2 Na2CrO4 + 6 NaNO3 + 20 H2O
C + O2 = CO =>
2 C + O2 = 2 CO
H3Po4 + H2S + K2Cr2O7 = K3Po4 + CrPo4 + S + H2O =>
8 H3Po4 + 9 H2S + 3 K2Cr2O7 = 2 K3Po4 + 6 CrPo4 + 9 S + 21 H2O
S + C + KNO3 = K2S + N2 + CO2 =>
S + 3 C + 2 KNO3 = K2S + N2 + 3 CO2
Ni + HNO3 = Ni(NO3)2 + H2O + N2O =>
4 Ni + 10 HNO3 = 4 Ni(NO3)2 + 5 H2O + N2O
KOH + AlCl3 = KCl3 + AlOH =>
KOH + AlCl3 = KCl3 + AlOH
Li3PO4 = Li + P + O2 =>
Li3PO4 = 3 Li + P + 2 O2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
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