| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cr2(SO4)3 + 9 Br2 + 32 KOH = 16 H2O + 4 K2CrO4 + 6 KSO4 + 18 KBr
C20H42(s) + O2 = CO2 + H2O =>
2 C20H42(s) + 61 O2 = 40 CO2 + 42 H2O
As2S3 + HNO3 = H3AsO4 + S02 + NO2 + H2O =>
2 As2S3 + 20 HNO3 = 4 H3AsO4 + 3 S02 + 20 NO2 + 4 H2O
BaCl2(aq) + Na2SO4 = BaSO4(aq)(s) + NaCl(aq) =>
BaCl2(aq) + Na2SO4 = BaSO4(aq)(s) + 2 NaCl(aq)
H3C6H5O7 + NaHCO3 = CO2 + H2O + Na3C6H5O9 =>
7 H3C6H5O7 + 27 NaHCO3 = 15 CO2 + 19 H2O + 9 Na3C6H5O9
(CH3)2CCCH3 + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
10(CH3)2CCCH3 + 18 KMnO4 + 27 H2SO4 = 25 CH3COOH + 18 MnSO4 + 9 K2SO4 + 22 H2O
Hg + CuSO4 = Hg(SO4)2 + Cu =>
Hg + 2 CuSO4 = Hg(SO4)2 + 2 Cu
[Co(NH3)5Cl]Cl + NaOH = [Co(NH3)5OH]Cl + NaCl =>
[Co(NH3)5Cl]Cl + NaOH = [Co(NH3)5OH]Cl + NaCl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ni + C4H8O2N2 = Ni(C4H7O2N2) + H =>
Ni + C4H8O2N2 = Ni(C4H7O2N2) + H
Fe(NH4)2(SO4)26H2O + H2C2O4 + K2C2O4 + H2O2 = K3Fe(C2O4)33H2O + (NH4)SO4 + H2SO4 + H2O =>
2 Fe(NH4)2(SO4)26H2O + 63 H2C2O4 + 3 K2C2O4 + 15 H2O2 = 2 K3Fe(C2O4)33H2O + 4(NH4)SO4 + 48 H2SO4 + 30 H2O
Mn(NO3)2 + PbO2 + H2SO4 = HMnO4 + PbSO4 + HNO3 + H2O =>
2 Mn(NO3)2 + 5 PbO2 + 5 H2SO4 = 2 HMnO4 + 5 PbSO4 + 4 HNO3 + 2 H2O
NaOH + Fe2(SO4)2 = Na2SO4 + Fe(OH)2 =>
4 NaOH + Fe2(SO4)2 = 2 Na2SO4 + 2 Fe(OH)2
MgCl + Zn = Mg + ZnCl2 =>
2 MgCl + Zn = 2 Mg + ZnCl2
NH4ClO4 + Al = Al2O3 + N2 + Cl2 + H2 =>
6 NH4ClO4 + 16 Al = 8 Al2O3 + 3 N2 + 3 Cl2 + 12 H2
(CH2)5 + O2 = CO2 + H2O =>
2(CH2)5 + 15 O2 = 10 CO2 + 10 H2O
Na2O2 + H2SO4 = Na2SO4 + H2O2 =>
Na2O2 + H2SO4 = Na2SO4 + H2O2
PbCl2 + H2SO4 = Pb(HSO4)2 + HCl =>
PbCl2 + 2 H2SO4 = Pb(HSO4)2 + 2 HCl
NaOH + Pb(NO2)2 = Pb(OH)2 + NaNO2 =>
2 NaOH + Pb(NO2)2 = Pb(OH)2 + 2 NaNO2
FeS + H2O + O2 = Fe(OH)3 + H2SO4 =>
4 FeS + 10 H2O + 9 O2 = 4 Fe(OH)3 + 4 H2SO4
MgBr(aq) + Cl = MgCl(aq) + Br(g) =>
MgBr(aq) + Cl = MgCl(aq) + Br(g)
I2 + HOCl = H3IO3 + Cl2 =>
I2 + 6 HOCl = 2 H3IO3 + 3 Cl2
Fe(NO2)3 + HCl = Fe3{+} + Cl{-} + NO2 + NO + H2O =>
6 Fe(NO2)3 + 2 HCl = 2 Fe3{+} + 2 Cl{-} + 17 NO2 + NO + H2O
CH3CHO + Ca(OH)2 = CH3COOH + CaO + H2 =>
CH3CHO + Ca(OH)2 = CH3COOH + CaO + H2
C6H5CH(l) + O2 = H2O(l) + CO2(g) =>
2 C6H5CH(l) + 17 O2 = 6 H2O(l) + 14 CO2(g)
Na2B4O7 + HCl = B2O3 + NaCl + H2O =>
Na2B4O7 + 2 HCl = 2 B2O3 + 2 NaCl + H2O
NiCl2 + H2O = Ni(OH)2 + HCl =>
NiCl2 + 2 H2O = Ni(OH)2 + 2 HCl
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
AsCl3(s) + H2O(l) = HCl(aq) + As(OH)3 =>
AsCl3(s) + 3 H2O(l) = 3 HCl(aq) + As(OH)3
KMnO4 + KI + NaOH = K2MnO4 + KIO4 + Na2MnO4 + H2O =>
8 KMnO4 + KI + 8 NaOH = 4 K2MnO4 + KIO4 + 4 Na2MnO4 + 4 H2O
WO3 + NH4OH = (NH4)2WO4 + H2O =>
WO3 + 2 NH4OH = (NH4)2WO4 + H2O
Au + SnCl2 = AuCl3 + Sn =>
2 Au + 3 SnCl2 = 2 AuCl3 + 3 Sn
BaBr + Na2PO4 = BaPO4 + Na2Br =>
BaBr + Na2PO4 = BaPO4 + Na2Br
K2CrO4 + Sn = K + Sn2CrO4 =>
K2CrO4 + 2 Sn = 2 K + Sn2CrO4
NH4Br + Cl2 = NH4Cl + Br =>
2 NH4Br + Cl2 = 2 NH4Cl + 2 Br
K2MnO4 + H2NO2 + H2SO4 = MnSO4 + K2SO4 + HNO3 + H2O =>
3 K2MnO4 + 4 H2NO2 + 6 H2SO4 = 3 MnSO4 + 3 K2SO4 + 4 HNO3 + 8 H2O
K2Cr2O7 + KCl + H2SO4 = CrO2Cl2 + H2O + K2SO4 =>
K2Cr2O7 + 4 KCl + 3 H2SO4 = 2 CrO2Cl2 + 3 H2O + 3 K2SO4
NiSO4 + (NH4)2CO3 = Ni2CO3 + NH4SO4 =>
2 NiSO4 + (NH4)2CO3 = Ni2CO3 + 2 NH4SO4
PbO2 + Cr2S3 + H2SO4 = PbSO4 + H2Cr2O7 + H2O =>
15 PbO2 + Cr2S3 + 12 H2SO4 = 15 PbSO4 + H2Cr2O7 + 11 H2O
Hg2(NO3)2 + Na2CO3 = Hg2CO3 + NaNO3 =>
Hg2(NO3)2 + Na2CO3 = Hg2CO3 + 2 NaNO3
Mg + CO2* = MgO + C =>
2 Mg + CO2* = 2 MgO + C
H2C2O4*2H2O + (NH4)2C2O4*H2O + NH4VO3 = (NH4)2[VO(C2O4)2*2(H2O)] + H2O + CO2 =>
4 H2C2O4*2H2O + (NH4)2C2O4*H2O + 2 NH4VO3 = 2(NH4)2[VO(C2O4)2*2(H2O)] + 9 H2O + 2 CO2
Al0 + Cu2{+} = Al{3+} + Cu0 =>
Al0 + 3 Cu2{+} = Al{3+} + 6 Cu0
HIO3 = I4O9 + H2O + O2 =>
8 HIO3 = 2 I4O9 + 4 H2O + O2
(Cu(NH3)4)(OH)2 + HCl = Cu(OH)2 + NH4Cl =>
(Cu(NH3)4)(OH)2 + 4 HCl = Cu(OH)2 + 4 NH4Cl
Na3AlO3 + H2SO4 = Al2(SO4)3 + H2O + Na2O =>
2 Na3AlO3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O + 3 Na2O
CH3COOH + CaCO3 = CH3COOCa + CO2 + H2O =>
9 CH3COOH + 8 CaCO3 = 8 CH3COOCa + 10 CO2 + 6 H2O
Cr(OH)3 + NaOH = CrO4 + Na + H2O =>
Cr(OH)3 + 5 NaOH = CrO4 + 5 Na + 4 H2O
C2H5(OH) + Na = C2H5ONa + H2 =>
2 C2H5(OH) + 2 Na = 2 C2H5ONa + H2
Zr4 + Te2 = ZrTe5 =>
Zr4 + 10 Te2 = 4 ZrTe5
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur07/21/24
Équations équilibrées sur08/20/23
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