| Équations équilibrées la veille |
7 K3[Fe(SCN)6] + 96 NaCr2O7 + 294 H2SO4 = 7 Fe(NO3)3 + 96 Cr2(SO4)3 + 42 CO2 + 294 H2O + 48 Na2SO4 + 21 KNO3
(NH4)NaHPO4 = NaPO3 + NH3 + H2O =>
(NH4)NaHPO4 = NaPO3 + NH3 + H2O
Na3PO4 + HCl = NaCl + H3PO4 =>
Na3PO4 + 3 HCl = 3 NaCl + H3PO4
KI + Na2CrO7 + H2SO4 = I2 + Cr(SO4)3 + Na2SO4 + K2SO4 + H2O =>
6 KI + Na2CrO7 + 7 H2SO4 = 3 I2 + Cr(SO4)3 + Na2SO4 + 3 K2SO4 + 7 H2O
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
NO2{-} + Al + H2O = NH4{+} + AlO2{-} =>
NO2{-} + 2 Al + 2 H2O = NH4{+} + 2 AlO2{-}
Na2CO3(aq) + Ca(NO3)2(aq) = NaNO3 + CaCO3 =>
Na2CO3(aq) + Ca(NO3)2(aq) = 2 NaNO3 + CaCO3
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
Zn(s) + HNO3(ac) = Zn(NO3)2(ac) + N2O(g) + H2O =>
4 Zn(s) + 10 HNO3(ac) = 4 Zn(NO3)2(ac) + N2O(g) + 5 H2O
MgCO3 + H3PO3 + O2 = Mg3(PO4)2 + H2O + CO2 =>
3 MgCO3 + 2 H3PO3 + O2 = Mg3(PO4)2 + 3 H2O + 3 CO2
K2CO3(aq) + NiSO4(aq) = K2SO4(aq) + NiCO3(aq) =>
K2CO3(aq) + NiSO4(aq) = K2SO4(aq) + NiCO3(aq)
Br2 + Cl2 = BrCl3 =>
Br2 + 3 Cl2 = 2 BrCl3
Ga(s) + HCl = GaCl3(aq) + H2(g) =>
2 Ga(s) + 6 HCl = 2 GaCl3(aq) + 3 H2(g)
H2SO4 + Ba(OH)2 = Ba(HSO4)2 + H2O =>
2 H2SO4 + Ba(OH)2 = Ba(HSO4)2 + 2 H2O
Al + Cl2 = AlCl3 = =>
2 Al + 3 Cl2 = 2 AlCl3
SrCO3 + HCl = SrClHCO3 =>
SrCO3 + HCl = SrClHCO3
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
K3PO4 + AgNO3 = Ag3PO4 + KNO3 =>
K3PO4 + 3 AgNO3 = Ag3PO4 + 3 KNO3
Cu + H2SiO3 = Cu2SiO3 + H2 =>
2 Cu + H2SiO3 = Cu2SiO3 + H2
NaMnO4 + H2C2O4 + HCl = NaCl + MnCl2 + H2O + CO2 =>
2 NaMnO4 + 5 H2C2O4 + 6 HCl = 2 NaCl + 2 MnCl2 + 8 H2O + 10 CO2
C5H10O + CH3MgBr = C6H11OH + MgBrH =>
C5H10O + CH3MgBr = C6H11OH + MgBrH
Mg(oh)2 + HCl = MgCl2 + H2 =>
Mg(oh)2 + 4 HCl = 2 MgCl2 + 2 H2
NaNO2(aq) + HSO3NH2(s) = NaHSO4(aq) + H2O(l) + N2(g) =>
NaNO2(aq) + HSO3NH2(s) = NaHSO4(aq) + H2O(l) + N2(g)
FeCl2 + Ca(OH)2 = CaCl2 + Fe(OH)2 =>
FeCl2 + Ca(OH)2 = CaCl2 + Fe(OH)2
Al(OH)3 + HCl = AlCl3 + OH + H3O =>
2 Al(OH)3 + 6 HCl = 2 AlCl3 + 3 OH + 3 H3O
KNO3 + CaCl2 = KCl2 + CaNO3 =>
KNO3 + CaCl2 = KCl2 + CaNO3
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Sc + Se = ScSe =>
Sc + Se = ScSe
NaF + HI = NaI + HF =>
NaF + HI = NaI + HF
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
CaCl2 + (NH4)2CO3 = CaCO3 + NH4Cl =>
CaCl2 + (NH4)2CO3 = CaCO3 + 2 NH4Cl
KMnO4 + MnO2 + NaOH = K2MnO4 + NaMnO4 + H2O =>
6 KMnO4 + MnO2 + 4 NaOH = 3 K2MnO4 + 4 NaMnO4 + 2 H2O
K2CO3(aq) + NiSO4(aq) = K2SO4(aq) + NiCO3(aq) =>
K2CO3(aq) + NiSO4(aq) = K2SO4(aq) + NiCO3(aq)
Al(Br2)3 + AgNO3 = Al(NO3)3 + AgBr2 =>
Al(Br2)3 + 3 AgNO3 = Al(NO3)3 + 3 AgBr2
FeOCr2 + K2CO3 + O2 = K2CrO4 + CO2 + Fe2O3 =>
4 FeOCr2 + 8 K2CO3 + 13 O2 = 8 K2CrO4 + 8 CO2 + 2 Fe2O3
Ca + F2 = CaF2 =>
Ca + F2 = CaF2
I2 + S04{-2} = I{-} + S02 =>
I2 + S04{-2} = 2 I{-} + 2 S02
CF + SN = NF + CS =>
CF + SN = NF + CS
C6H12O6 + MgCO3 = C6H9MgO6 + H2O + CO2 =>
23 C6H12O6 + 24 MgCO3 = 24 C6H9MgO6 + 30 H2O + 18 CO2
H2SO4 + Na = H2S + NaSO4 + H2O =>
5 H2SO4 + 4 Na = H2S + 4 NaSO4 + 4 H2O
Sb(OH)5 + H2S(aq) = Sb2S5 + H2O =>
2 Sb(OH)5 + 5 H2S(aq) = Sb2S5 + 10 H2O
HgNO3 + NaOH = NaNO3 + Hg2O + H2O =>
2 HgNO3 + 2 NaOH = 2 NaNO3 + Hg2O + H2O
Be + P = Be3P2 =>
3 Be + 2 P = Be3P2
KOH + CuCl2 = KCl + Cu(OH)2 =>
2 KOH + CuCl2 = 2 KCl + Cu(OH)2
S + CO = C + SO2 =>
S + 2 CO = 2 C + SO2
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
K2Cr2O7 + FeSO4 = FeCr2O7 + K2SO4 =>
K2Cr2O7 + FeSO4 = FeCr2O7 + K2SO4
CuO + (H2SO4) = Cu(SO4) + H2O =>
CuO + (H2SO4) = Cu(SO4) + H2O
BN + H2 = NH4BH4 =>
BN + 4 H2 = NH4BH4
Cu{2+} + Mn{2+} + H2O = MnO4{-} + H{+} + Cu{+} =>
5 Cu{2+} + Mn{2+} + 4 H2O = MnO4{-} + 8 H{+} + 5 Cu{+}
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