| Équations équilibrées la veille |
6 NaBr + MnO4 + 7 H2SO4 = MnSO4 + 3 Br2 + 4 H2O + 6 NaHSO4
(NH4)2S + CoBr3 = Co2S3 + NH4Br =>
3(NH4)2S + 2 CoBr3 = Co2S3 + 6 NH4Br
KBr + H2SO4 = Br2 + SO2 + H2O + KHSO4 =>
2 KBr + 3 H2SO4 = Br2 + SO2 + 2 H2O + 2 KHSO4
Ba(NO3)2 + NiSO4 = BaSO4 + Ni(NO3)2 =>
Ba(NO3)2 + NiSO4 = BaSO4 + Ni(NO3)2
C3H6 + NH3 + O2 = C3HN + H2O =>
C3H6 + NH3 + 2 O2 = C3HN + 4 H2O
*Fe2O3 + *CO = *Fe + *CO2 =>
*Fe2O3 + 3*CO = 2*Fe + 3*CO2
K2S + Ca3N2 = K2N2 + Ca3S =>
K2S + Ca3N2 = K2N2 + Ca3S
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C30H62 + O2 = CO2 + H2O =>
2 C30H62 + 91 O2 = 60 CO2 + 62 H2O
C4H6 + Cl2 = C4H4Cl2 + H2 =>
C4H6 + Cl2 = C4H4Cl2 + H2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Co(NO3)2 + KI = CoI2 + KNO3 =>
Co(NO3)2 + 2 KI = CoI2 + 2 KNO3
CuO = Cu + O2 =>
2 CuO = 2 Cu + O2
PbCl2 + Na2SO4 = Na2Cl2 + PbSO4 =>
PbCl2 + Na2SO4 = Na2Cl2 + PbSO4
FePO4 + HNO3 = Fe(NO3)3 + H3PO4 =>
FePO4 + 3 HNO3 = Fe(NO3)3 + H3PO4
CdS + HNO3 = Cd(NO3)2 + NO + S + H2O =>
3 CdS + 8 HNO3 = 3 Cd(NO3)2 + 2 NO + 3 S + 4 H2O
Zn(NO3)2 + NaOH = Na(NO3) + Zn(OH)2 =>
Zn(NO3)2 + 2 NaOH = 2 Na(NO3) + Zn(OH)2
Na3P + H2SO4 = Na2SO4 + P2O5 + H2O + SO2 =>
2 Na3P + 11 H2SO4 = 3 Na2SO4 + P2O5 + 11 H2O + 8 SO2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
K2C2O7 + H2C2O4*2H2O + K2Cr2O7 = K3[Cr(C2O4)3]*3H20 + H2O + CO2 =>
2 K2C2O7 + 73 H2C2O4*2H2O + K2Cr2O7 = 2 K3[Cr(C2O4)3]*3H20 + 159 H2O + 138 CO2
N2H4 + N2O = H2O + N =>
N2H4 + 2 N2O = 2 H2O + 6 N
Mg(CN)2 + HCl = HCN + MgCl2 =>
Mg(CN)2 + 2 HCl = 2 HCN + MgCl2
Cu2S + HNO3 = Cu(NO3)3 + CuSO4 + NO2 + H2O =>
Cu2S + 14 HNO3 = Cu(NO3)3 + CuSO4 + 11 NO2 + 7 H2O
FeO + Cl2 = FeCl3 + O =>
2 FeO + 3 Cl2 = 2 FeCl3 + 2 O
Ca(C2H3O2)2 + H3PO4 = Ca3(PO4)2 + HC2H3O2 =>
3 Ca(C2H3O2)2 + 2 H3PO4 = Ca3(PO4)2 + 6 HC2H3O2
Mg52Fe122Mn26Si100O400 + H{+} + O200 = Fe200O300 + Si100O200 + Mn{2+} + Mg{2+} + H200O100 =>
200 Mg52Fe122Mn26Si100O400 + 31200 H{+} + 61 O200 = 122 Fe200O300 + 200 Si100O200 + 5200 Mn{2+} + 10400 Mg{2+} + 156 H200O100
HNO2 + NH2OH = N2O + H2O =>
HNO2 + NH2OH = N2O + 2 H2O
MnO4{-} + H{+} + [Cr(N2H4CO)6]4[Cr(CN)6]3 = CO2 + NO3{-} + H2O + Mn{2+} + Cr2O7{-2} =>
1176 MnO4{-} + 2798 H{+} + 10[Cr(N2H4CO)6]4[Cr(CN)6]3 = 420 CO2 + 660 NO3{-} + 1879 H2O + 1176 Mn{2+} + 35 Cr2O7{-2}
NaHCO3 + H2O2 = C2O + H2O + NaO3 =>
2 NaHCO3 + 2 H2O2 = C2O + 3 H2O + 2 NaO3
Ga(OH)3 + NaOH = Na3Ga(OH)6 =>
Ga(OH)3 + 3 NaOH = Na3Ga(OH)6
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
Si + HCl + SiCl4 = SiHCl3 =>
Si + 2 HCl + SiCl4 = 2 SiHCl3
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Bl2 + Or = BlOr2 =>
Bl2 + 4 Or = 2 BlOr2
Mo + H2CrO4 + H2SO4 = Cr2(SO4)3 + H2O + H2MoO4 =>
Mo + 2 H2CrO4 + 3 H2SO4 = Cr2(SO4)3 + 4 H2O + H2MoO4
(NH4)3 + PO4 + CrBr3 = (NH4)Br + CrPO4 =>
(NH4)3 + PO4 + CrBr3 = 3(NH4)Br + CrPO4
KOH + C = K + CO2 + H2O =>
4 KOH + C = 4 K + CO2 + 2 H2O
AsO3{3-} + H2O + Cu{2+} = AsO4{3-} + Cu2O + H{+} =>
AsO3{3-} + 2 H2O + 2 Cu{2+} = AsO4{3-} + Cu2O + 4 H{+}
NH3OH + K2CO3 = NH3CO3 + K2OH =>
NH3OH + K2CO3 = NH3CO3 + K2OH
SiO2 + H2SO4 = Si(SO4)2 + H2O =>
SiO2 + 2 H2SO4 = Si(SO4)2 + 2 H2O
KMnO7 + KI + HCl = I2 + MnCl2 + KCl + H2O =>
2 KMnO7 + 22 KI + 28 HCl = 11 I2 + 2 MnCl2 + 24 KCl + 14 H2O
KMnO4 + NaOH + Na2C2O4 = MnO2 + Na2CO3 + K2CO3 + H2O =>
2 KMnO4 + 4 NaOH + 3 Na2C2O4 = 2 MnO2 + 5 Na2CO3 + K2CO3 + 2 H2O
NaCrO2 + NaOH + H2O2 = Na2CrO4 + H2 =>
2 NaCrO2 + 2 NaOH + H2O2 = 2 Na2CrO4 + 2 H2
HC1 + Mg = MgC1 + H2 =>
2 HC1 + 2 Mg = 2 MgC1 + H2
CS2 + Cl4 = CCl4 + S2Cl4 =>
CS2 + 2 Cl4 = CCl4 + S2Cl4
H2O + Fe = H2 + Fe(OH)2 =>
2 H2O + Fe = H2 + Fe(OH)2
CO2 + He2 = CO2He2 =>
CO2 + He2 = CO2He2
PdS + HCl = PdCl2 + H2S =>
PdS + 2 HCl = PdCl2 + H2S
Cr + O2 + H2O = Cr(OH) =>
4 Cr + O2 + 2 H2O = 4 Cr(OH)
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