| Équations équilibrées la veille |
CO2 + CaO = CaCO + O2
Cl + MnO2 = MnCl2 + O2 =>
2 Cl + MnO2 = MnCl2 + O2
Hg2(NO3)2 + Na2S = Hg2S + Na2(NO3)2 =>
Hg2(NO3)2 + Na2S = Hg2S + Na2(NO3)2
C4F8 + H2O = C5F8 + HF + O2 =>
5 C4F8 + 4 H2O = 4 C5F8 + 8 HF + 2 O2
AlJ3 + Br2 = Al2Br3 + J =>
4 AlJ3 + 3 Br2 = 2 Al2Br3 + 12 J
I2 + Na2SO3 + H2SO4 = NaIO3 + S + H2O =>
I2 + Na2SO3 + H2SO4 = 2 NaIO3 + 2 S + H2O
FeCl3 + Hg = HgCl2 + FeCl2 =>
2 FeCl3 + Hg = HgCl2 + 2 FeCl2
BaCl2 + K2(CrO4) = Ba(CrO4) + K2Cl2 =>
BaCl2 + K2(CrO4) = Ba(CrO4) + K2Cl2
HCOOH + H3PO4 = HPO4 + H3COOH =>
HCOOH + H3PO4 = HPO4 + H3COOH
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + H2O + I2 + K2SO4 =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 7 H2O + 3 I2 + 4 K2SO4
SO2 + HI = S2 + I2 + H2O =>
2 SO2 + 8 HI = S2 + 4 I2 + 4 H2O
HBr + KClO3 = KCl + Br2 + H2O =>
6 HBr + KClO3 = KCl + 3 Br2 + 3 H2O
HBr + MgCO3 = MgBr2 + H2CO3 =>
2 HBr + MgCO3 = MgBr2 + H2CO3
NaClO3 + HBr = NaBr + HClO3 =>
NaClO3 + HBr = NaBr + HClO3
HClO4(aq) + LiOH(aq) = LiClO4(aq) + H2O =>
HClO4(aq) + LiOH(aq) = LiClO4(aq) + H2O
NaBH4 + CH3OH = NaBOCH3 + H2 =>
2 NaBH4 + 2 CH3OH = 2 NaBOCH3 + 5 H2
S4 + O2 + F = SOF4 =>
S4 + 2 O2 + 16 F = 4 SOF4
PbCrO4 + NaOH = PbOH + NaCrO4 =>
PbCrO4 + NaOH = PbOH + NaCrO4
O + CaCl = Cl + CaO =>
O + CaCl = Cl + CaO
Cu(s) + HNO3 = Cu(NO3)2(aq) + NO2(g) + H2O =>
Cu(s) + 4 HNO3 = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O
NH4(NO3) = N2 + O2 + H2O =>
2 NH4(NO3) = 2 N2 + O2 + 4 H2O
CuSO4 + Na2S = CuS + Na2SO4 =>
CuSO4 + Na2S = CuS + Na2SO4
Co2O4 + HCl = CoCl2 + Cl2 + H2O =>
Co2O4 + 8 HCl = 2 CoCl2 + 2 Cl2 + 4 H2O
Na2FeO4 + BaCl2 = FeCl3 + Cl2 + NaCl + BaO =>
2 Na2FeO4 + 8 BaCl2 = 2 FeCl3 + 3 Cl2 + 4 NaCl + 8 BaO
Cu(NO3)2(ac) + H2SO4 = CuSO4 + HNO3(ac) =>
Cu(NO3)2(ac) + H2SO4 = CuSO4 + 2 HNO3(ac)
Fe + N2O = Fe2O3 + N2 =>
2 Fe + 3 N2O = Fe2O3 + 3 N2
CuSO4 + Na2S = CuS + Na2SO4 =>
CuSO4 + Na2S = CuS + Na2SO4
NH4(NO3) = N2 + O2 + H2O =>
2 NH4(NO3) = 2 N2 + O2 + 4 H2O
FeCl2 + AgNO3 = Fe(NO3)2 + AgCl =>
FeCl2 + 2 AgNO3 = Fe(NO3)2 + 2 AgCl
Ba3N3 + H2O = Ba(OH)3 + NH3 =>
Ba3N3 + 9 H2O = 3 Ba(OH)3 + 3 NH3
NaCI + AgF = NaF + AgCI =>
NaCI + AgF = NaF + AgCI
KMnO4 = K2MnO4 + MnO2 + O2 = KMnO4 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
Cu(NO3)2(ag) + Na3PO4(ag) = Cu3(PO4)2(s) + NaNO3(ag) =>
3 Cu(NO3)2(ag) + 2 Na3PO4(ag) = Cu3(PO4)2(s) + 6 NaNO3(ag)
H3PO4 + AlCl3 = POCl3 + Al(OH)3 =>
H3PO4 + AlCl3 = POCl3 + Al(OH)3
HNO2 = N2O3 + HOH =>
2 HNO2 = N2O3 + HOH
H2SO4 + Ag = Ag2SO4 + SO2 + H2O =>
2 H2SO4 + 2 Ag = Ag2SO4 + SO2 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Co(NO3)2 + Fe(NO3)3 + C2H5NO2 = CoFe2O4 + CO2 + H2O + N2 =>
9 Co(NO3)2 + 18 Fe(NO3)3 + 40 C2H5NO2 = 9 CoFe2O4 + 80 CO2 + 100 H2O + 56 N2
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
HBr + Na2SO3 = HSO3 + Na2Br =>
HBr + Na2SO3 = HSO3 + Na2Br
Cu(NO3)2(ag) + Na3PO4(ag) = Cu3(PO4)2(s) + NaNO3(ag) =>
3 Cu(NO3)2(ag) + 2 Na3PO4(ag) = Cu3(PO4)2(s) + 6 NaNO3(ag)
(NH4)2CO2 + NaOH = NH3 + (Na)2CO2 + H2O =>
(NH4)2CO2 + 2 NaOH = 2 NH3 + (Na)2CO2 + 2 H2O
[Ag2(S2O3)3]{4-} + Ag{+} = Ag2S2O3 =>
[Ag2(S2O3)3]{4-} + 4 Ag{+} = 3 Ag2S2O3
AgNO3 + K2S = Ag2S + K + NO3 =>
2 AgNO3 + K2S = Ag2S + 2 K + 2 NO3
CaCl2*2H2O + Na2CO3*H2O = CaCO3 + H2O + NaCl =>
CaCl2*2H2O + Na2CO3*H2O = CaCO3 + 3 H2O + 2 NaCl
CaCl + NH4OH = CaOH + NH4Cl =>
CaCl + NH4OH = CaOH + NH4Cl
Li + N2O = LiON + N2 =>
2 Li + 2 N2O = 2 LiON + N2
C2H2 + (Cu(NH3)2)Cl = Cu2C2 + NH4Cl + NH3 =>
C2H2 + 2(Cu(NH3)2)Cl = Cu2C2 + 2 NH4Cl + 2 NH3
KOH + HCI = KCI + H + O =>
KOH + HCI = KCI + 2 H + O
NaNO2 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + NaNO3 + H2O =>
5 NaNO2 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 NaNO3 + 3 H2O
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