| Équations équilibrées la veille |
K2Cr2O7 + 6 KBr + 7 H2O = 2 Cr(OH)3 + 8 KOH + 3 Br2
Pb(NO3)2 + ZnSO4 = PbSO4 + Zn + NO3 =>
Pb(NO3)2 + ZnSO4 = PbSO4 + Zn + 2 NO3
CuCl2 + BaO = BaCl2 + CuO =>
CuCl2 + BaO = BaCl2 + CuO
KClO3 + P2O3 = KCl + P2O5 =>
2 KClO3 + 3 P2O3 = 2 KCl + 3 P2O5
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
ClO{-} + H{+} + Cu = Cl{-} + H2O + Cu{+2} =>
ClO{-} + 2 H{+} + Cu = Cl{-} + H2O + Cu{+2}
N2(g) + H2O(g) = NH4NO2(s) =>
N2(g) + 2 H2O(g) = NH4NO2(s)
Br2 + KI = I2 + KBr =>
Br2 + 2 KI = I2 + 2 KBr
LiCl(aq) + Na(s) = NaCl(aq) + Li(s) =>
LiCl(aq) + Na(s) = NaCl(aq) + Li(s)
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
Mn(OH)2 + H3PO3 = Mn3(PO3)2 + H2O =>
3 Mn(OH)2 + 2 H3PO3 = Mn3(PO3)2 + 6 H2O
I2 + HSO3{-} + O{2-} = I{-} + SO4{2-} + H2O =>
2 I2 + 2 HSO3{-} + 3 O{2-} = 4 I{-} + 2 SO4{2-} + H2O
KIO4 + KI + ClH = KCl + I + H2O =>
KIO4 + 7 KI + 8 ClH = 8 KCl + 8 I + 4 H2O
Zn + KNO2 + KOH + H2O = K2[Zn(OH)4] + NH3 =>
3 Zn + KNO2 + 5 KOH + 5 H2O = 3 K2[Zn(OH)4] + NH3
Ca[Al(OH)4] + HCl = Al(OH)3 + CaCl + H2O =>
Ca[Al(OH)4] + HCl = Al(OH)3 + CaCl + H2O
CaSO4 + SiO2 + H2 + O2 = H2SO4 + CaSiO4 =>
CaSO4 + SiO2 + H2 + O2 = H2SO4 + CaSiO4
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
C6H8O7 + CHNaO3 = H2O + CO2 + C6H7Na07 =>
19 C6H8O7 + 63 CHNaO3 = 76 H2O + 123 CO2 + 9 C6H7Na07
AlI3 + Sr(OH)2 = Al(OH)3 + SrI2 =>
2 AlI3 + 3 Sr(OH)2 = 2 Al(OH)3 + 3 SrI2
CdSO4 + LiOH = CdOH + LiSO4 =>
CdSO4 + LiOH = CdOH + LiSO4
NaOH + K2CO3 = Na2CO3 + K(OH) =>
2 NaOH + K2CO3 = Na2CO3 + 2 K(OH)
Cr(OH)3 + CH3COOH = Cr(CH3COO)3 + H2O =>
Cr(OH)3 + 3 CH3COOH = Cr(CH3COO)3 + 3 H2O
Na2S + FeBr3 = Fe2S3 + NaBr =>
3 Na2S + 2 FeBr3 = Fe2S3 + 6 NaBr
KMnO4 + KJ + H2O = MnO2 + J2 + KOH =>
2 KMnO4 + 6 KJ + 4 H2O = 2 MnO2 + 3 J2 + 8 KOH
Sn(OH)4 = SnO2 + H2O =>
Sn(OH)4 = SnO2 + 2 H2O
C = C60 =>
60 C = C60
HOCH2CH2CH2OH + O2 = HOOCCH2COOH + H2O =>
HOCH2CH2CH2OH + 2 O2 = HOOCCH2COOH + 2 H2O
AgBr + Na2S2O3 = AgNa + S2O3 + Br =>
2 AgBr + Na2S2O3 = 2 AgNa + S2O3 + 2 Br
ClO3{-} + NO3{-} = NO2{-} + ClO4{-} =>
ClO3{-} + NO3{-} = NO2{-} + ClO4{-}
KH(IO3)2 = KI + O2 + I2 + H2O =>
4 KH(IO3)2 = 4 KI + 11 O2 + 2 I2 + 2 H2O
Fe3OH + HSO4 = Fe3SO4 + H2O =>
Fe3OH + HSO4 = Fe3SO4 + H2O
Kl(s) + Cl2 = Cl2Kl =>
Kl(s) + Cl2 = Cl2Kl
CH3Cl + HCl = CCl4 + H2 =>
CH3Cl + 3 HCl = CCl4 + 3 H2
Fe(CrO2)2 + K2CO3 + O2 = Fe2O3 + K2CrO4 + CO2 =>
4 Fe(CrO2)2 + 8 K2CO3 + 7 O2 = 2 Fe2O3 + 8 K2CrO4 + 8 CO2
NiO + ZnO + Fe2O3 = Ni6Zn4Fe2O4 + O2 =>
12 NiO + 8 ZnO + 2 Fe2O3 = 2 Ni6Zn4Fe2O4 + 9 O2
C3H7Cl2 + NaOH = C3H6Cl + NaCl + H2O =>
C3H7Cl2 + NaOH = C3H6Cl + NaCl + H2O
ZrO(NO3)2*H2O = ZrO2 + NO2 + O2 + H2O =>
2 ZrO(NO3)2*H2O = 2 ZrO2 + 4 NO2 + O2 + 2 H2O
Ag + CO3 = Ag2(CO3) =>
2 Ag + CO3 = Ag2(CO3)
Na2HCO3 + Ba(OH)2 = NaOH + BaHCO3 =>
Na2HCO3 + Ba(OH)2 = 2 NaOH + BaHCO3
K + B2O2 = K2O + B =>
4 K + B2O2 = 2 K2O + 2 B
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CH3CH2BrCH3OH = CH3CH2OCH3HBr =>
CH3CH2BrCH3OH = CH3CH2OCH3HBr
NaNO3(s) = NaNO2(s) + O2(g) =>
2 NaNO3(s) = 2 NaNO2(s) + O2(g)
H3PO2 + BiCl3 + H2O = H3PO4 + Bi + HCl =>
3 H3PO2 + 4 BiCl3 + 6 H2O = 3 H3PO4 + 4 Bi + 12 HCl
Ca(OH)2 + H3PO4 = H2O + Ca3(PO4)2 =>
3 Ca(OH)2 + 2 H3PO4 = 6 H2O + Ca3(PO4)2
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
P = P4 =>
4 P = P4
C2H4O + O = C2H4O2 =>
C2H4O + O = C2H4O2
CH3COOC6H4COOH + KOH = H2O + KCH3COOC6H4COO =>
CH3COOC6H4COOH + KOH = H2O + KCH3COOC6H4COO
N2O5 + Cl2 = NCl3 + O2 =>
2 N2O5 + 6 Cl2 = 4 NCl3 + 5 O2
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