| Équations équilibrées la veille |
Cu(NO2)2 = CuO + N2O3
CrCl3 + Ba(OH)2 = Cr(OH)3 + BaCl2 =>
2 CrCl3 + 3 Ba(OH)2 = 2 Cr(OH)3 + 3 BaCl2
CuO(s) + H2SO4(aq) = CuSO4(aq) + H2O(l) =>
CuO(s) + H2SO4(aq) = CuSO4(aq) + H2O(l)
Ca(HCO3)2 + KOH = Ca(OH)2 + K2CO3 + H2O =>
Ca(HCO3)2 + 4 KOH = Ca(OH)2 + 2 K2CO3 + 2 H2O
KMnO4 + KBr + CH3COOH = Br2 + CH3COOK + Mn(CH3COO)2 + H2O =>
2 KMnO4 + 10 KBr + 16 CH3COOH = 5 Br2 + 12 CH3COOK + 2 Mn(CH3COO)2 + 8 H2O
MnSO4 + H2O = Mn + O2 + H2SO4 =>
2 MnSO4 + 2 H2O = 2 Mn + O2 + 2 H2SO4
H2S + KClO3 = S + KCl + H2O =>
3 H2S + KClO3 = 3 S + KCl + 3 H2O
SnCl2 + Hg2Cl2 + HCl = Hg + H2SnCl6 =>
SnCl2 + Hg2Cl2 + 2 HCl = 2 Hg + H2SnCl6
C6H5Cl + KOH = C6H5OK + KCl + H2O =>
C6H5Cl + 2 KOH = C6H5OK + KCl + H2O
As2S3 + Cl2 + H2O = H3AsO4 + H2SO4 + HCl =>
As2S3 + 14 Cl2 + 20 H2O = 2 H3AsO4 + 3 H2SO4 + 28 HCl
ZnO + P2O5 = ZnP2O6 =>
ZnO + P2O5 = ZnP2O6
H2CO3 + Mg(OH)2 = MgCO3 + H2O =>
H2CO3 + Mg(OH)2 = MgCO3 + 2 H2O
Ca + H2O(l) = Ca(OH)2 + H2 =>
Ca + 2 H2O(l) = Ca(OH)2 + H2
NiCl2*6H2O + NH3 = [Ni(NH3)6]Cl2 + H2O =>
NiCl2*6H2O + 6 NH3 = [Ni(NH3)6]Cl2 + 6 H2O
SO2 + Na2CO3 = Na2SO3 + CO2 =>
SO2 + Na2CO3 = Na2SO3 + CO2
CuSO4 + NaI = CuI + Na2SO4 + I2 =>
2 CuSO4 + 4 NaI = 2 CuI + 2 Na2SO4 + I2
Ca + H2O(l) = CaO + H2 =>
Ca + H2O(l) = CaO + H2
K + S + O2 = K2SO3 =>
4 K + 2 S + 3 O2 = 2 K2SO3
P2S = P4 + S8 =>
8 P2S = 4 P4 + S8
Na2(SO4) + Al(OH)3 = NaOH + Al2(SO4)3 =>
3 Na2(SO4) + 2 Al(OH)3 = 6 NaOH + Al2(SO4)3
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
Ca3(PO4)2 + H2SO4(aq) = CaSO4 + H3PO4(aq) =>
Ca3(PO4)2 + 3 H2SO4(aq) = 3 CaSO4 + 2 H3PO4(aq)
Co(ClO3)2 = CoCl2 + O2 =>
Co(ClO3)2 = CoCl2 + 3 O2
NaOH + C6H4COOKCOOH = NaC6H4COOKCOO + H2O =>
NaOH + C6H4COOKCOOH = NaC6H4COOKCOO + H2O
NaNO2(s) + O2(g) = NaNO3 =>
2 NaNO2(s) + O2(g) = 2 NaNO3
Ag2O(cr) = Ag(s) + O2(g) =>
2 Ag2O(cr) = 4 Ag(s) + O2(g)
Ba(HCO3)2 + KOH = Ba(OH)2 + K2CO3 + H2O =>
Ba(HCO3)2 + 4 KOH = Ba(OH)2 + 2 K2CO3 + 2 H2O
SrF2 = Sr + F =>
SrF2 = Sr + 2 F
MgCO3 + H2 = Mg + H2CO3 =>
MgCO3 + H2 = Mg + H2CO3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O = =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CH3Cl + Br2 = CH3Br + Cl2 =>
2 CH3Cl + Br2 = 2 CH3Br + Cl2
AlP + H2O = Al(OH)3 + PH3 =>
AlP + 3 H2O = Al(OH)3 + PH3
NaMnO4 + NaI + H2O = MnO2 + I2 + NaOH =>
2 NaMnO4 + 6 NaI + 4 H2O = 2 MnO2 + 3 I2 + 8 NaOH
CH3COOH + CsOH = CsCH3COO + H2O =>
CH3COOH + CsOH = CsCH3COO + H2O
HCIO3 + Al = Al(CIO3) + H2 =>
2 HCIO3 + 2 Al = 2 Al(CIO3) + H2
CH3COONH4 + KOH = CH3COOK + NH3 + H2O =>
CH3COONH4 + KOH = CH3COOK + NH3 + H2O
K2SO3 + MnCl2 = KCl + MnSO3 =>
K2SO3 + MnCl2 = 2 KCl + MnSO3
Al4C3 + H2O(l) = Al(OH)3 + CH4(g) =>
Al4C3 + 12 H2O(l) = 4 Al(OH)3 + 3 CH4(g)
HCl + NO3 = HNO3 + Cl2 =>
2 HCl + 2 NO3 = 2 HNO3 + Cl2
K2Cr2O7 + H2C2O4 = K[Cr(C2O4)2(H2O)2] + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4 = 2 K[Cr(C2O4)2(H2O)2] + 6 CO2 + 3 H2O
CH4N2O = C + H + N + O =>
CH4N2O = C + 4 H + 2 N + O
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
SrO + H2SO4 = SrSO4 + H2O =>
SrO + H2SO4 = SrSO4 + H2O
C6H6O2 + FeCl3 = Fe(O2C6H5)3 + HCl =>
3 C6H6O2 + FeCl3 = Fe(O2C6H5)3 + 3 HCl
AgNO3 + C6H8O7 = Ag + CO2 + H2O + N2 =>
6 AgNO3 + 2 C6H8O7 = 6 Ag + 12 CO2 + 8 H2O + 3 N2
KOH(aq) + NiCl2(aq) = Ni(OH)2(s) + KCl(aq) =>
2 KOH(aq) + NiCl2(aq) = Ni(OH)2(s) + 2 KCl(aq)
Fe(OH)3 + NH4SCN = Fe(SCN)3 + NH4 + OH =>
Fe(OH)3 + 3 NH4SCN = Fe(SCN)3 + 3 NH4 + 3 OH
Ca(ClO)2 = CaCl2 + O =>
Ca(ClO)2 = CaCl2 + 2 O
CH3COOC6H4COOH + NaOH = CH3COOC6H4COONa + H2O =>
CH3COOC6H4COOH + NaOH = CH3COOC6H4COONa + H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
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