| Équations équilibrées la veille |
Cr2(SO4)3 + 6 KOH = 2 Cr(OH)3 + 3 K2SO4
Na2SO3(aq) + H2SO4 = Na2SO4 + SO2 + H2O =>
Na2SO3(aq) + H2SO4 = Na2SO4 + SO2 + H2O
Al2O + Na = Na2O + Al =>
Al2O + 2 Na = Na2O + 2 Al
SeF6 = Se8 + F2 =>
8 SeF6 = Se8 + 24 F2
NH2CH2COOH + O2 = NH2CONH2 + CO2 + H2O =>
2 NH2CH2COOH + 3 O2 = NH2CONH2 + 3 CO2 + 3 H2O
Co + Br = CoBr2 =>
Co + 2 Br = CoBr2
NF = N5 + F3 =>
15 NF = 3 N5 + 5 F3
Fe(NO3)3 + KNO = Fe(NO)3 + KNO3 =>
Fe(NO3)3 + 3 KNO = Fe(NO)3 + 3 KNO3
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
SnCl2 + H2SO4 + NaBiO3 = SnCl4 + Sn(SO4)2 + Bi2(SO4)3 + NaSO4 + H2O =>
2 SnCl2 + 12 H2SO4 + 4 NaBiO3 = SnCl4 + Sn(SO4)2 + 2 Bi2(SO4)3 + 4 NaSO4 + 12 H2O
NaI + NaIO4 + H2SO4 = I2 + Na2SO4 + H2O =>
7 NaI + NaIO4 + 4 H2SO4 = 4 I2 + 4 Na2SO4 + 4 H2O
C9H8O4 + H2O = H3O + C9H7O4 =>
C9H8O4 + H2O = H3O + C9H7O4
Ni(CO)4(g) = Ni(s) + CO(g) =>
Ni(CO)4(g) = Ni(s) + 4 CO(g)
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
NaClO2 + SnSO4 + NaOH + H2O = NaCl + Na2(Sn(OH)6)2 + Na2SO4 =>
3 NaClO2 + 4 SnSO4 + 12 NaOH + 6 H2O = 3 NaCl + 2 Na2(Sn(OH)6)2 + 4 Na2SO4
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Zn(MnO4)2 + HBr = Br2 + H2O + ZnBr2 + MnBr2 =>
Zn(MnO4)2 + 16 HBr = 5 Br2 + 8 H2O + ZnBr2 + 2 MnBr2
NaOH + AgCl = AgOH + NaCl =>
NaOH + AgCl = AgOH + NaCl
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Fe + Pb3(PO4)4 = Fe3(PO4)2 + Pb =>
6 Fe + Pb3(PO4)4 = 2 Fe3(PO4)2 + 3 Pb
H2SO3 + HClO4 = H2SO4 + HCl =>
4 H2SO3 + HClO4 = 4 H2SO4 + HCl
C6H12 + Br = HBr + C6H11 =>
C6H12 + Br = HBr + C6H11
Li + HNO3 = LiNO3 + NO2 + H2O =>
Li + 2 HNO3 = LiNO3 + NO2 + H2O
K2MnO4 + HNO2 + H2O = HNO3 + MnO2 + KOH =>
K2MnO4 + HNO2 + H2O = HNO3 + MnO2 + 2 KOH
Na2SO3(aq) + NCl(aq) = NaCl(aq) + N2O(l) + SO2(g) =>
Na2SO3(aq) + 2 NCl(aq) = 2 NaCl(aq) + N2O(l) + SO2(g)
HCI = H2 + CI =>
2 HCI = H2 + 2 CI
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CdCl2 + Na2SO3 = NaCl + CdSO3 =>
CdCl2 + Na2SO3 = 2 NaCl + CdSO3
MnO4{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
H2O + I{-} + Cr2O7{2-} = I2{-} + Cr{3+} + OH{-} =>
7 H2O + 12 I{-} + Cr2O7{2-} = 6 I2{-} + 2 Cr{3+} + 14 OH{-}
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe + Br2 = Fe2Br3 =>
4 Fe + 3 Br2 = 2 Fe2Br3
CH3COOH + NaHCO3 = CH3COONa + CO3 + H2 =>
CH3COOH + NaHCO3 = CH3COONa + CO3 + H2
MnO4{-} + ClO2{-} + H{+} = MnO2 + ClO4 + H2O =>
5 MnO4{-} + 3 ClO2{-} + 8 H{+} = 5 MnO2 + 3 ClO4 + 4 H2O
CH2NH2NH2CH2 + O2 = CO2 + H2O + NO2 =>
CH2NH2NH2CH2 + 6 O2 = 2 CO2 + 4 H2O + 2 NO2
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
(MnO4) + H2C2O4 = Mn + CO2 + H2O =>
(MnO4) + 4 H2C2O4 = Mn + 8 CO2 + 4 H2O
Br2 + NaCl = BrCl + Na =>
Br2 + 2 NaCl = 2 BrCl + 2 Na
MnCO3 + KCIO3 = MnO2 + CO2 + KCI =>
3 MnCO3 + KCIO3 = 3 MnO2 + 3 CO2 + KCI
CoCO3 = CO2 + CoO =>
CoCO3 = CO2 + CoO
C2 + H2 + Cl2 = CHCl3 =>
C2 + H2 + 3 Cl2 = 2 CHCl3
NaClO + Cr(OH)3 + NaOH = NaCl + Na2CrO4 + H2O =>
3 NaClO + 2 Cr(OH)3 + 4 NaOH = 3 NaCl + 2 Na2CrO4 + 5 H2O
I + H + NO2{-} = NO + H2O + I2{-} =>
2 I + 2 H + NO2{-} = NO + H2O + I2{-}
FeSO4 + K2CrO7 + H2SO4 = K2SO4 + Cr2(SO4)3 + Fe2(SO4)3 + H2O =>
18 FeSO4 + 2 K2CrO7 + 14 H2SO4 = 2 K2SO4 + Cr2(SO4)3 + 9 Fe2(SO4)3 + 14 H2O
BaCl2 + O = Ba(ClO3)2 =>
BaCl2 + 6 O = Ba(ClO3)2
ZnCl2 + Ag2SO4 = ZnSO4 + AgCl =>
ZnCl2 + Ag2SO4 = ZnSO4 + 2 AgCl
C5H10O2(i) + O2(g) = CO2(g) + H2O(i) =>
2 C5H10O2(i) + 13 O2(g) = 10 CO2(g) + 10 H2O(i)
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
Pb + F2 = PbF =>
2 Pb + F2 = 2 PbF
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