| Équations équilibrées la veille |
8 Y(NO3)3 + 5 C6H12O6 = 4 Y2O3 + 30 CO2 + 12 N2 + 30 H2O
S{2-} + Cr{3+} = Cr2S3 =>
3 S{2-} + 2 Cr{3+} = Cr2S3
C2H2 + O3 = CO2 + H2O =>
3 C2H2 + 5 O3 = 6 CO2 + 3 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
CH3COO{-} + KHSO4 = CH3COOH + KSO4{-} =>
CH3COO{-} + KHSO4 = CH3COOH + KSO4{-}
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
SbCl3 + HCl + NaBrO3 = SbCl5 + NaBr + H2O =>
3 SbCl3 + 6 HCl + NaBrO3 = 3 SbCl5 + NaBr + 3 H2O
Cu(NO3)2 + NaO = Na(NO3) + CuO2 =>
Cu(NO3)2 + 2 NaO = 2 Na(NO3) + CuO2
FeO + S2 = FeS + O2 =>
2 FeO + S2 = 2 FeS + O2
CH3CH(OH)CH3 + KMnO4 + H2SO4 = K2SO4 + MnO2 + CH3(CO)CH3 + H2O =>
3 CH3CH(OH)CH3 + 2 KMnO4 + H2SO4 = K2SO4 + 2 MnO2 + 3 CH3(CO)CH3 + 4 H2O
La + I2 = LaI3 =>
2 La + 3 I2 = 2 LaI3
Ni + PO4 = Ni3(PO4)2 =>
3 Ni + 2 PO4 = Ni3(PO4)2
NaOH + FeBr3 = NaBr + Fe(OH)3 =>
3 NaOH + FeBr3 = 3 NaBr + Fe(OH)3
CH3OH + C2H5COOH = C4H9COOH + H2O =>
2 CH3OH + C2H5COOH = C4H9COOH + 2 H2O
UO2(NO3)2 = NO2 + O2 + UO2 =>
UO2(NO3)2 = 2 NO2 + O2 + UO2
I2 + MgCl2 = ICl + Mg =>
I2 + MgCl2 = 2 ICl + Mg
BeCl2 + Na(OH) = NaCl + Be(OH)2 =>
BeCl2 + 2 Na(OH) = 2 NaCl + Be(OH)2
CH3CH2OH + KMnO4 = CH3CHO + MnO2 + H2O + K =>
2 CH3CH2OH + KMnO4 = 2 CH3CHO + MnO2 + 2 H2O + K
OH + C6H12O6 = C6H11O7 + H =>
OH + C6H12O6 = C6H11O7 + 2 H
KHCO3 + HNO3 = CO2 + KNO3 + H2O =>
KHCO3 + HNO3 = CO2 + KNO3 + H2O
Zn(s) + CuSO4(ac) = Cu(s) + ZnSO4 =>
Zn(s) + CuSO4(ac) = Cu(s) + ZnSO4
P4 + H2 = PH3 =>
P4 + 6 H2 = 4 PH3
NaCl = Na + Cl2Na =>
2 NaCl = Na + Cl2Na
FeS2 + HNO3 = Fe2(SO4)3 + H2SO4 + H2O + NO2 =>
2 FeS2 + 30 HNO3 = Fe2(SO4)3 + H2SO4 + 14 H2O + 30 NO2
FeCl3 + K4[FeCN6] = KCl + Fe4[FeCN6]3 =>
4 FeCl3 + 3 K4[FeCN6] = 12 KCl + Fe4[FeCN6]3
CuO(s) + H2O(l) = Cu(OH)2(s) =>
CuO(s) + H2O(l) = Cu(OH)2(s)
CH14O6 + O2 = CO + H2O =>
CH14O6 + O2 = CO + 7 H2O
HNO3 + Ni = Ni(NO3)2 + H2 =>
2 HNO3 + Ni = Ni(NO3)2 + H2
Cu + S = Cu2S =>
2 Cu + S = Cu2S
Cu + (H2SO4) = Cu2(SO4)2 + H2O + S2O2 =>
4 Cu + 6(H2SO4) = 2 Cu2(SO4)2 + 6 H2O + S2O2
HCl + O2 = H2O + Cl =>
4 HCl + O2 = 2 H2O + 4 Cl
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Mg3N2 + H2SO4 = MgSO4 + (NH4) + SO4 =>
Mg3N2 + 4 H2SO4 = 3 MgSO4 + 2(NH4) + SO4
AgNO3(aq) + NaOH(aq) = Ag(OH)2(s) + Na2NO3(aq) =>
AgNO3(aq) + 2 NaOH(aq) = Ag(OH)2(s) + Na2NO3(aq)
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
Rb4 + Se = RbSe =>
Rb4 + 4 Se = 4 RbSe
Fr(ClO3) = FrCl + O2 =>
2 Fr(ClO3) = 2 FrCl + 3 O2
C6H5C2H4 + KMnO4 + H2O = C6H5CHOHCH2OH + MnO2 + KOH =>
C6H5C2H4 + KMnO4 + H2O = C6H5CHOHCH2OH + MnO2 + KOH
K + HCl = KCl + H =>
K + HCl = KCl + H
Cl2 + AgI = ClI + Ag =>
Cl2 + 2 AgI = 2 ClI + 2 Ag
Ni(NO3)2 + HCl = NiCl2 + HNO3 =>
Ni(NO3)2 + 2 HCl = NiCl2 + 2 HNO3
Ba(NO3)2 + Ti[OCH(CH3)2]4 = BaTiO3 + N2 + CO2 + H2O + CH3 =>
7 Ba(NO3)2 + 7 Ti[OCH(CH3)2]4 = 7 BaTiO3 + 7 N2 + 22 CO2 + 5 H2O + 62 CH3
H2O2 + Cu(NO3)2 = H2O + Cu(NO4)2 =>
2 H2O2 + Cu(NO3)2 = 2 H2O + Cu(NO4)2
VO4{3-} + SO3{2-} + H{+} + H2O = VO(H2O)5{2+} + SO4{2-} =>
2 VO4{3-} + SO3{2-} + 10 H{+} + 5 H2O = 2 VO(H2O)5{2+} + SO4{2-}
Br2 + O2 = Br2O =>
2 Br2 + O2 = 2 Br2O
Cl2 + AgI = ClI + Ag =>
Cl2 + 2 AgI = 2 ClI + 2 Ag
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
As2O3 + MnO4{-} + H2O = AsO4{3-} + Mn{2+} + H3O{+} =>
5 As2O3 + 4 MnO4{-} + 27 H2O = 10 AsO4{3-} + 4 Mn{2+} + 18 H3O{+}
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