| Équations équilibrées la veille |
4 HNS + 5 O2 = 2 H2O + 2 N2 + 4 SO2
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
Mg + Al3O2 = Al + Mg3O2 =>
3 Mg + Al3O2 = 3 Al + Mg3O2
Al(s) + S(s) = Al2S3 =>
2 Al(s) + 3 S(s) = Al2S3
N2O + CS2 = N2 + S + CO2 =>
2 N2O + CS2 = 2 N2 + 2 S + CO2
HA + Ca(OH)2 = H2O + Ca(A)2 =>
2 HA + Ca(OH)2 = 2 H2O + Ca(A)2
Se + KOH + H2O = H2Se + K2SeO3 =>
3 Se + 2 KOH + H2O = 2 H2Se + K2SeO3
Ca(NO3)2 + (NH4)2C2O4 = CaC2O4 + (NH4)NO3 =>
Ca(NO3)2 + (NH4)2C2O4 = CaC2O4 + 2(NH4)NO3
C2H6O + SO2 = C2H4O + H2S + H2O =>
3 C2H6O + SO2 = 3 C2H4O + H2S + 2 H2O
HC7H5O2 + KOH = H2O + C7H5O2 + K =>
HC7H5O2 + KOH = H2O + C7H5O2 + K
CH3CHBrCH2Br + KOH = CH3CHOHCH2OH + KBr =>
CH3CHBrCH2Br + 2 KOH = CH3CHOHCH2OH + 2 KBr
NaHSO4 + K2CO3 = Na2CO3 + KHSO4 =>
2 NaHSO4 + K2CO3 = Na2CO3 + 2 KHSO4
Cr2(SO4)3(aq) + (NH4)2CO3(aq) = Cr2(CO3)3(s) + (NH4)2SO4 =>
Cr2(SO4)3(aq) + 3(NH4)2CO3(aq) = Cr2(CO3)3(s) + 3(NH4)2SO4
C12H26 + O2 = C12O2 + H26O2 =>
C12H26 + 2 O2 = C12O2 + H26O2
Pb(NO3)2 + AlBr3 = PbBr2 + Al(NO3)3 =>
3 Pb(NO3)2 + 2 AlBr3 = 3 PbBr2 + 2 Al(NO3)3
WF6 + SiO2 = SiF4 + WO3 =>
2 WF6 + 3 SiO2 = 3 SiF4 + 2 WO3
As2S5 + KMnO4 + H2O = H2S2O7 + H3AsO4 + MnO + KOH =>
2 As2S5 + 16 KMnO4 + 19 H2O = 5 H2S2O7 + 4 H3AsO4 + 16 MnO + 16 KOH
Cr2O7{-2} + H{+)+H2C2O4 = Cr{3}+H2O+CO2 =>
Cr2O7{-2} + 8 H{+)+3H2C2O4 = 2 Cr{3}+7H2O+6CO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe{3+} + Cu = Fe{2+} + Cu{2+} =>
2 Fe{3+} + Cu = 2 Fe{2+} + Cu{2+}
KIO3 + Cl2 = KClO3 + I2 =>
2 KIO3 + Cl2 = 2 KClO3 + I2
Ba + Au(NO2)3 = Au + Ba(NO2)2 =>
3 Ba + 2 Au(NO2)3 = 2 Au + 3 Ba(NO2)2
KClO3 + Na2SnO2 = KCl + Na2SnO3 =>
KClO3 + 3 Na2SnO2 = KCl + 3 Na2SnO3
Na2(SO4) + H3(PO4) = H2(SO4) + Na3(PO4) =>
3 Na2(SO4) + 2 H3(PO4) = 3 H2(SO4) + 2 Na3(PO4)
CrO4{2-} + NH3 + H2O = NO3{-} + OH{-} + Cr{3+} =>
8 CrO4{2-} + 3 NH3 + 14 H2O = 3 NO3{-} + 37 OH{-} + 8 Cr{3+}
Mg(s) + Br(l) = MgBr2(s) =>
Mg(s) + 2 Br(l) = MgBr2(s)
Cd + N2 = CdN =>
2 Cd + N2 = 2 CdN
HCl + NaCO2 = NaHCl + CO2 =>
HCl + NaCO2 = NaHCl + CO2
C3H5(OH)3 + Na2 = C3H5(ONa)3 + H2 =>
2 C3H5(OH)3 + 3 Na2 = 2 C3H5(ONa)3 + 3 H2
NH3 + H2O2 = NOH + H2O =>
NH3 + 2 H2O2 = NOH + 3 H2O
CH3CH2CH2CH3 + O2 = CH3 + CHO =>
2 CH3CH2CH2CH3 + O2 = 6 CH3 + 2 CHO
CuSO4 + KI = CuI + I2 + K2SO4 =>
2 CuSO4 + 4 KI = 2 CuI + I2 + 2 K2SO4
C2H5OH + K2Cr2O7 = H2O + CO2 + KCr =>
7 C2H5OH + 6 K2Cr2O7 = 21 H2O + 14 CO2 + 12 KCr
HCl + Sb4O6 = SbCl3 + H2O =>
12 HCl + Sb4O6 = 4 SbCl3 + 6 H2O
Fe2[Fe(CN)6] = N2 + Fe3C + C =>
Fe2[Fe(CN)6] = 3 N2 + Fe3C + 5 C
K2S + CO(NO3)2 = KNO3 + COS =>
K2S + CO(NO3)2 = 2 KNO3 + COS
F2O3 + H2O = HFO2 =>
F2O3 + H2O = 2 HFO2
NH4Cl + Fe2(SO4)3 = (NH4)2SO4 + FeCl3 =>
6 NH4Cl + Fe2(SO4)3 = 3(NH4)2SO4 + 2 FeCl3
AlP + Li(OH) = Al(OH)3 + Li3P =>
AlP + 3 Li(OH) = Al(OH)3 + Li3P
(MnO4){-}1&(SO3){-}2&2(OH){-}1 = (MnO4){-}2&(SO4){-}2&1H2O =>
(MnO4){-}1&(SO3){-}2&2(OH){-}1 = (MnO4){-}2&(SO4){-}2&1H2O
Nh4Cl + AgNO3 = Nh4NO3 + AgCl =>
Nh4Cl + AgNO3 = Nh4NO3 + AgCl
HBr + Ba(OH)2 = BrBa + H(OH)2 =>
HBr + Ba(OH)2 = BrBa + H(OH)2
SO2 + Br2 = BrSO2 =>
2 SO2 + Br2 = 2 BrSO2
Al2Si2O5(OH)4 + H{+} = Al{3+} + H4SiO4(aq) + H2O =>
Al2Si2O5(OH)4 + 6 H{+} = 2 Al{3+} + 2 H4SiO4(aq) + H2O
Li(s) + H2O = LiOH + H2(g) =>
2 Li(s) + 2 H2O = 2 LiOH + H2(g)
Al2O3 + HCl = Al2Cl2 + H2O3 =>
Al2O3 + 2 HCl = Al2Cl2 + H2O3
SiCl4 + H2O = HCl + SiO2 =>
SiCl4 + 2 H2O = 4 HCl + SiO2
CH3CH2CH2OH + CuO = CH3CH2CHO + H2O + Cu =>
CH3CH2CH2OH + CuO = CH3CH2CHO + H2O + Cu
CH3COOH + Al2(SO4)3 = H2SO4 + Al(CH3COO)3 =>
6 CH3COOH + Al2(SO4)3 = 3 H2SO4 + 2 Al(CH3COO)3
Cu2O + H2O = CuOH =>
Cu2O + H2O = 2 CuOH
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Équations équilibrées sur12/15/24
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