| Équations équilibrées la veille |
NaCH3COOH + H2O = H3ONaCH3COO
H2CO3 + ZnSO4 = ZnCO3 + H2SO4 =>
H2CO3 + ZnSO4 = ZnCO3 + H2SO4
H2SO4 + Ca5F(PO4)3 = H3PO4 + CaSO4 + HF =>
5 H2SO4 + Ca5F(PO4)3 = 3 H3PO4 + 5 CaSO4 + HF
C51H98O6 + NaOH = C3H8O3 + C15H31CO2Na =>
C51H98O6 + 3 NaOH = C3H8O3 + 3 C15H31CO2Na
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Zn + MCl = ZnMCl =>
Zn + MCl = ZnMCl
BaO + As2O5 = Ba3(AsO4)2 =>
3 BaO + As2O5 = Ba3(AsO4)2
CuSO4*5H2O + NaCl = CuCl2*2H2O + Na2SO4 + H2O =>
CuSO4*5H2O + 2 NaCl = CuCl2*2H2O + Na2SO4 + 3 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
CH3Cl + NaOH = NaCl + CH2 + H2O =>
CH3Cl + NaOH = NaCl + CH2 + H2O
FeSO4 + Na2CO3 + H2O = Fe(OH)3 + Na2SO4 + CO2 + C =>
4 FeSO4 + 4 Na2CO3 + 6 H2O = 4 Fe(OH)3 + 4 Na2SO4 + 3 CO2 + C
CoCl2(s) + ClF3(g) = CoF3(s) + Cl2(g) =>
2 CoCl2(s) + 2 ClF3(g) = 2 CoF3(s) + 3 Cl2(g)
FeO + water = Fe(OH)2 =>
FeO + H2O = Fe(OH)2
CaO + H3Po4(aq) = Ca3(Po4)2(s) + H2O =>
3 CaO + 2 H3Po4(aq) = Ca3(Po4)2(s) + 3 H2O
CrBr3 + H2 = Cr + HBr =>
2 CrBr3 + 3 H2 = 2 Cr + 6 HBr
ZnCO3 + NaCl = ZnCl2 + Na2CO3 =>
ZnCO3 + 2 NaCl = ZnCl2 + Na2CO3
Ca + MgS = CaS + Mg =>
Ca + MgS = CaS + Mg
NaClO + C40H56 = CO2 + H2O + NaCl =>
108 NaClO + C40H56 = 40 CO2 + 28 H2O + 108 NaCl
CaCI2 + K2CO3 = Ca2(CO3)2 + K2CI2 =>
2 CaCI2 + 2 K2CO3 = Ca2(CO3)2 + 2 K2CI2
KNO3 + KI + HCl = NO + KCl + H2O + I2 =>
2 KNO3 + 6 KI + 8 HCl = 2 NO + 8 KCl + 4 H2O + 3 I2
K + C2H6O = C2H5K + OH =>
K + C2H6O = C2H5K + OH
Ba + H{+} = Ba{2+} + H2 =>
Ba + 2 H{+} = Ba{2+} + H2
COBr = CO + Br2 =>
2 COBr = 2 CO + Br2
N4 + H86 = NH =>
43 N4 + 2 H86 = 172 NH
FeCr2O4 + O2 + Na2CO3 = Fe2O3 + Na2CrO4 + CO2 =>
4 FeCr2O4 + 7 O2 + 8 Na2CO3 = 2 Fe2O3 + 8 Na2CrO4 + 8 CO2
He2 + NaOH = Na2 + He2OH =>
2 He2 + 2 NaOH = Na2 + 2 He2OH
CrO3 + NaCl = NaCrO3Cl =>
CrO3 + NaCl = NaCrO3Cl
Al(HCO3)3AlPO4 = Al2(CO3)3H3PO4 =>
Al(HCO3)3AlPO4 = Al2(CO3)3H3PO4
Pb(NO2)2 + KI = PbI2 + KNO2 =>
Pb(NO2)2 + 2 KI = PbI2 + 2 KNO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Fe2(SO4)3 + KI = FeI2 + K2SO4 + I2 =>
Fe2(SO4)3 + 6 KI = 2 FeI2 + 3 K2SO4 + I2
ZnCl2 + Na2CO3 + H2O = (ZnOH)2CO3 + CO2 + NaCl =>
2 ZnCl2 + 2 Na2CO3 + H2O = (ZnOH)2CO3 + CO2 + 4 NaCl
FeS + HNO3 = Fe(NO3)3 + NO + Fe2(SO4)3 + H2O =>
3 FeS + 12 HNO3 = Fe(NO3)3 + 9 NO + Fe2(SO4)3 + 6 H2O
NaNO2 + KI + H2SO4 = I2 + K2SO4 + NO + H2O + Na2SO4 =>
2 NaNO2 + 2 KI + 2 H2SO4 = I2 + K2SO4 + 2 NO + 2 H2O + Na2SO4
Cr + N2 = CrN =>
2 Cr + N2 = 2 CrN
MoO3 + NaOH = MoNa + H2O + O2 =>
4 MoO3 + 4 NaOH = 4 MoNa + 2 H2O + 7 O2
HNO3 + HCl + V = H4[VCl10] + NO + H2O =>
2 HNO3 + 10 HCl + V = H4[VCl10] + 2 NO + 4 H2O
Na3[IrCl6] + Cl2 + H2O = Na2[IrCl6] + HCl + NaClO3 =>
2 Na3[IrCl6] + 7 Cl2 + 6 H2O = 2 Na2[IrCl6] + 12 HCl + 2 NaClO3
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
[Co(NH3)5]Cl3 + AgNO3 = AgCl + Co(NO3)3 + NH3 =>
[Co(NH3)5]Cl3 + 3 AgNO3 = 3 AgCl + Co(NO3)3 + 5 NH3
H2AsO4 + H = H3AsO4 =>
H2AsO4 + H = H3AsO4
SnSO4(aq) + Na2S(aq) = SnS(s) + Na2SO4(aq) =>
SnSO4(aq) + Na2S(aq) = SnS(s) + Na2SO4(aq)
PbSO4 + CO = PbS + CO2 =>
PbSO4 + 4 CO = PbS + 4 CO2
Sr2 + K2CrO4 = K + Sr2(CrO4)2 =>
Sr2 + 2 K2CrO4 = 4 K + Sr2(CrO4)2
Fe{+2} + Cr2O7 + H{+} = Fe{+3} + Cr{+2} + H2O =>
10 Fe{+2} + Cr2O7 + 14 H{+} = 10 Fe{+3} + 2 Cr{+2} + 7 H2O
H2O2 + Na2SO3 = Na2SO4 + H2O =>
H2O2 + Na2SO3 = Na2SO4 + H2O
K2Zn(OH)4 + HCl = KCl + Zn(OH)2 + H2O =>
K2Zn(OH)4 + 2 HCl = 2 KCl + Zn(OH)2 + 2 H2O
S4 + O2 = S8O3 =>
4 S4 + 3 O2 = 2 S8O3
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
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