| Équations équilibrées la veille |
Cr2O3 + 6 NaCl = 2 CrCl3 + 3 Na2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
(NH4)2O + Fe2(SO4)3 = (NH4)2SO4 + Fe2O3 =>
3(NH4)2O + Fe2(SO4)3 = 3(NH4)2SO4 + Fe2O3
H2O + CrO4{-2} + CN{-} = Cr(OH)4{-} + CNO{-} + OH{-} =>
5 H2O + 2 CrO4{-2} + 3 CN{-} = 2 Cr(OH)4{-} + 3 CNO{-} + 2 OH{-}
Ag + Se = AgSe =>
Ag + Se = AgSe
KClO3{-} + CuSO4{-2} = KSO4{-2} + CuClO3{-} =>
KClO3{-} + CuSO4{-2} = KSO4{-2} + CuClO3{-}
HC4H3N2O3 + H2O = H3O + C4H3N2O3 =>
HC4H3N2O3 + H2O = H3O + C4H3N2O3
C6H12O4N2S2 + C2H6OS = C3H7O2NS + C4H10O2S2 =>
C6H12O4N2S2 + 2 C2H6OS = 2 C3H7O2NS + C4H10O2S2
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
H2C2O3 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 H2C2O3 + 4 KMnO4 + 6 H2SO4 = 10 CO2 + 4 MnSO4 + 2 K2SO4 + 11 H2O
HQ + Na2CO3 = NaQ + CO2 + H2O =>
2 HQ + Na2CO3 = 2 NaQ + CO2 + H2O
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O = Mg3(PO4)2 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
HOCl + CO2 = CO3 + HCl =>
HOCl + CO2 = CO3 + HCl
Mg + Cr{2}{+} = Mg{2}{+} + Cr =>
Mg + Cr{2}{+} = Mg{2}{+} + Cr
S8 + NO2 = SO2 + NO =>
S8 + 16 NO2 = 8 SO2 + 16 NO
Fe + Si = Fe2Si3 =>
2 Fe + 3 Si = Fe2Si3
Cr(No3)3 + NH3 = Cr(NH3)6(No3)3 =>
Cr(No3)3 + 6 NH3 = Cr(NH3)6(No3)3
NaCl + HNO3 = NaNO3 + Cl2 + NO + H2O =>
6 NaCl + 8 HNO3 = 6 NaNO3 + 3 Cl2 + 2 NO + 4 H2O
(NH4)2O + Fe2(SO4)3 = (NH4)2SO4 + Fe2O3 =>
3(NH4)2O + Fe2(SO4)3 = 3(NH4)2SO4 + Fe2O3
CH3CH2OH + CUO = CH3COOH + H2 + CU =>
CH3CH2OH + CUO = CH3COOH + H2 + CU
NF3 = N2 + F2 =>
2 NF3 = N2 + 3 F2
NaO2 + HNO3 = NaNO3 + H + O =>
NaO2 + HNO3 = NaNO3 + H + 2 O
Na2S + CH3COOH = CH3COONa + H2S =>
Na2S + 2 CH3COOH = 2 CH3COONa + H2S
CUSO4 + KI + KIO3 + H2O = CU(OH) + K2SO4 + I2 =>
6 CUSO4 + 11 KI + KIO3 + 3 H2O = 6 CU(OH) + 6 K2SO4 + 6 I2
CH3CH2OH + KMnO4 = CH3COOH + H2O + MnO2 + KOH =>
3 CH3CH2OH + 4 KMnO4 = 3 CH3COOH + H2O + 4 MnO2 + 4 KOH
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
IrO(OH)2 = IrO2 + H2O =>
IrO(OH)2 = IrO2 + H2O
P4 + NO = P4O6 + N2 =>
P4 + 6 NO = P4O6 + 3 N2
HQ + Na2CO3 = NaQ + CO2 + H2O =>
2 HQ + Na2CO3 = 2 NaQ + CO2 + H2O
Zn + NaOH = Zn(OH)2 + Na =>
Zn + 2 NaOH = Zn(OH)2 + 2 Na
C40H80 + O2 = CO2 + H2O =>
C40H80 + 60 O2 = 40 CO2 + 40 H2O
H2S + BaO2 = H2O2 + BaS =>
H2S + BaO2 = H2O2 + BaS
Fe + I1 = FeI2 =>
Fe + 2 I1 = FeI2
Mg + Cr{2}{+} = Mg{2}{+} + Cr =>
Mg + Cr{2}{+} = Mg{2}{+} + Cr
K + AuP = Au + KP =>
K + AuP = Au + KP
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
SO2Br + HCl = H2S + HBr + Cl2 + H2O =>
2 SO2Br + 14 HCl = 2 H2S + 2 HBr + 7 Cl2 + 4 H2O
K2SAg2Cu = Ag2SK2Cu =>
K2SAg2Cu = Ag2SK2Cu
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Na2SO4 + BPO4 = Na3PO4 + B2(SO4)3 =>
3 Na2SO4 + 2 BPO4 = 2 Na3PO4 + B2(SO4)3
C6H12O4N2S2 + C2H6OS = C3H7O2NS + C4H10O2S2 =>
C6H12O4N2S2 + 2 C2H6OS = 2 C3H7O2NS + C4H10O2S2
NiSO4(H2O)6 = NiSO4 + H2O =>
NiSO4(H2O)6 = NiSO4 + 6 H2O
C8H10O4 + H2 = C8H12O4 =>
C8H10O4 + H2 = C8H12O4
C4H12 + O2 = CO2 + H2O =>
C4H12 + 7 O2 = 4 CO2 + 6 H2O
NH4OH + O2 = NH3O + OH =>
NH4OH + O2 = NH3O + 2 OH
I2 + CrCl3 + NaOH = NaI + Na2CrO4 + NaCl + H2O =>
3 I2 + 2 CrCl3 + 16 NaOH = 6 NaI + 2 Na2CrO4 + 6 NaCl + 8 H2O
Br2(l) + P4(s) = P2Br5(s) =>
5 Br2(l) + P4(s) = 2 P2Br5(s)
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
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