| Équations équilibrées la veille |
3 C2H4 + 2 KMnO4 + 4 H2O = 2 KOH + 3 CH2OHCH2OH + 2 MnO2
Cr2(SO4)3 + Cl2 + NaOH = Na2CrO4 + NaCl + Na2SO4 + H2O =>
Cr2(SO4)3 + 3 Cl2 + 16 NaOH = 2 Na2CrO4 + 6 NaCl + 3 Na2SO4 + 8 H2O
Cr(OH)4{-} + H2O2 = CrO7{-} + H2O =>
Cr(OH)4{-} + 5 H2O2 = CrO7{-} + 7 H2O
C42H86 + O2 = CO2 + H2O =>
2 C42H86 + 127 O2 = 84 CO2 + 86 H2O
CaSiO3 + H2O = Ca(OH)2 + H2SiO3 =>
CaSiO3 + 2 H2O = Ca(OH)2 + H2SiO3
ZnS + KOH + H2O = K2[Zn(OH)4] + H2S =>
ZnS + 2 KOH + 2 H2O = K2[Zn(OH)4] + H2S
BH4{-} + H{+} = H2 + B2H6 =>
2 BH4{-} + 2 H{+} = 2 H2 + B2H6
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Al + J2 = AlJ =>
2 Al + J2 = 2 AlJ
MnCl2 + Li = LiCl + Mn =>
MnCl2 + 2 Li = 2 LiCl + Mn
ZnO + C = ()Zn + ()CO2 =>
2 ZnO + C = 2()Zn + ()CO2
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
Cu + HNO3 = Cu(NO2)2 + NO3 + H2O =>
Cu + 4 HNO3 = Cu(NO2)2 + 2 NO3 + 2 H2O
Mg + Pb(NO3)2 = Mg(NO3)2 + Pb =>
Mg + Pb(NO3)2 = Mg(NO3)2 + Pb
H{+} + SO4{2-} + Fe = Fe2(SO4)3 + H2 =>
6 H{+} + 3 SO4{2-} + 2 Fe = Fe2(SO4)3 + 3 H2
KMnO4 + H2C2O4 + H2SO4 = MnSC4 + K2SO4 + CO2 + H2O =>
2 KMnO4 + 29 H2C2O4 + 3 H2SO4 = 2 MnSC4 + K2SO4 + 50 CO2 + 32 H2O
sodiumbicarbonate + hydrochloricacid = sodiumchloride + carbonicacid =>
NaHCO3 + HCl = NaCl + H2CO3
Cu + CO3 = CuCO3 =>
Cu + CO3 = CuCO3
MgBr2 + Cl2(g) = MgCl2 + Br2 =>
MgBr2 + Cl2(g) = MgCl2 + Br2
Na2[Zn(OH)4] = Zn + H2O + NaOH + O2 =>
2 Na2[Zn(OH)4] = 2 Zn + 2 H2O + 4 NaOH + O2
PBO + C = PB + CO2 =>
2 PBO + C = 2 PB + CO2
K2Cr2O7 + Na2C2O4 + H2SO4 = CO2 + Cr2(so)3 + Na2SO4 + K2SO4 + H2O =>
23 K2Cr2O7 + 138 Na2C2O4 + 161 H2SO4 = 276 CO2 + 2 Cr2(so)3 + 138 Na2SO4 + 23 K2SO4 + 161 H2O
FeCl2 + Na2SiO3 = NaCl + FeSiO3 =>
FeCl2 + Na2SiO3 = 2 NaCl + FeSiO3
CaCO3 + Pb(NO3)2 = PbCO3 + Ca(NO3)2 =>
CaCO3 + Pb(NO3)2 = PbCO3 + Ca(NO3)2
Ca(OH)2(aq) + KCN(aq) = KOH(aq) + Ca(CN)2(s) =>
Ca(OH)2(aq) + 2 KCN(aq) = 2 KOH(aq) + Ca(CN)2(s)
NiCl3 + Mg2 = MgCl2 + Ni =>
4 NiCl3 + 3 Mg2 = 6 MgCl2 + 4 Ni
KMnO4 + NH4 = MnO2 + HNO3 + K2O + H2O =>
6 KMnO4 + 2 NH4 = 6 MnO2 + 2 HNO3 + 3 K2O + 3 H2O
AlBr3 + Na(NO3) = Al(NO3)3 + NaBr =>
AlBr3 + 3 Na(NO3) = Al(NO3)3 + 3 NaBr
Mn2CO3 = Mn2O + CO2 =>
Mn2CO3 = Mn2O + CO2
Zn(NO3)2(aq) + NaCN(aq) = Zn(CN)2(aq) + NaNO3(s) =>
Zn(NO3)2(aq) + 2 NaCN(aq) = Zn(CN)2(aq) + 2 NaNO3(s)
Na(s) + H2O(g) = NaOH(s) + H(g) =>
Na(s) + H2O(g) = NaOH(s) + H(g)
SO2 + Cl2 = SO2Cl2 =>
SO2 + Cl2 = SO2Cl2
No3 + Na = NaNo3 =>
No3 + Na = NaNo3
Mn(s) + Au(NO3)3(aq) = Mn(NO3)2 + Au =>
3 Mn(s) + 2 Au(NO3)3(aq) = 3 Mn(NO3)2 + 2 Au
HOBr + KOBr = OBr + KH =>
HOBr + KOBr = 2 OBr + KH
Ba3(PO4)2 + NH4F*HF = NH4BaF3 + NH4PF6 + NH3 + H2O =>
2 Ba3(PO4)2 + 21 NH4F*HF = 6 NH4BaF3 + 4 NH4PF6 + 11 NH3 + 16 H2O
Sn + AgNO3 = Sn(NO3) + Ag =>
Sn + AgNO3 = Sn(NO3) + Ag
Se + NaBH4 + H2O = NaHSe + Na2B4O7 + H2 =>
2 Se + 4 NaBH4 + 7 H2O = 2 NaHSe + Na2B4O7 + 14 H2
HCOOH + Al2O3 = Al(HCOO)3 + H2O =>
6 HCOOH + Al2O3 = 2 Al(HCOO)3 + 3 H2O
KNO4(s) = KNO2(s) + O2 =>
KNO4(s) = KNO2(s) + O2
Ca2Cl3 + O2 = CaO + Cl =>
Ca2Cl3 + O2 = 2 CaO + 3 Cl
C3H8O + Na2Cr2O7 + H2SO4 = C3H6O2 + Cr2S3O12 + Na2SO4 + H2O =>
3 C3H8O + 2 Na2Cr2O7 + 8 H2SO4 = 3 C3H6O2 + 2 Cr2S3O12 + 2 Na2SO4 + 11 H2O
C4H6O4 + NaOH = NaC4H7O5 =>
C4H6O4 + NaOH = NaC4H7O5
H2O + SO4 = H2SO4 + O2 =>
2 H2O + 2 SO4 = 2 H2SO4 + O2
P2O5 = P3 + O =>
3 P2O5 = 2 P3 + 15 O
SrCO3 + Dy2CO3 + Eu2CO3 + Al2O3 + SiO2 = SrAl2SiO6EuDy + CO2 + O2 =>
2 SrCO3 + Dy2CO3 + Eu2CO3 + 2 Al2O3 + 2 SiO2 = 2 SrAl2SiO6EuDy + 4 CO2 + O2
P4 + HClO + H2O = H3PO4 + HCl =>
P4 + 10 HClO + 6 H2O = 4 H3PO4 + 10 HCl
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
HgS(s) + O2(g) = HgO + S =>
2 HgS(s) + O2(g) = 2 HgO + 2 S
Cl2 + CrI3 + NaOH = NaCrO4 + NaCl + I2 + H2O =>
7 Cl2 + 2 CrI3 + 16 NaOH = 2 NaCrO4 + 14 NaCl + 3 I2 + 8 H2O
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