| Équations équilibrées la veille |
HCOOH = CO2 + H2
BaCrO4HNO3 = BaCr2O7Ba(NO3)2H2O =>
2 BaCrO4HNO3 = BaCr2O7Ba(NO3)2H2O
Na2SO3 + K2Cr2O7 + H2O = KOH + Cr(OH)3 + Na2SO4 =>
3 Na2SO3 + K2Cr2O7 + 4 H2O = 2 KOH + 2 Cr(OH)3 + 3 Na2SO4
Y2O3 + SiO2 = Y2Si2O7 =>
Y2O3 + 2 SiO2 = Y2Si2O7
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
HCl + KMnO4 = MnCl2 + H2O + Cl2 + KCl =>
16 HCl + 2 KMnO4 = 2 MnCl2 + 8 H2O + 5 Cl2 + 2 KCl
MnSO4 + NaOCl + NaOH = MnO2 + NaCl + Na2SO4 + H2O =>
MnSO4 + NaOCl + 2 NaOH = MnO2 + NaCl + Na2SO4 + H2O
Cu + HNO3 = Cu(NO3)2 + N3O + H2O =>
13 Cu + 32 HNO3 = 13 Cu(NO3)2 + 2 N3O + 16 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
MgCl3 + NaOH = Mg(OH)3 + NaCl =>
MgCl3 + 3 NaOH = Mg(OH)3 + 3 NaCl
NaHCO3H2O = NaCO3H3O =>
NaHCO3H2O = NaCO3H3O
Mg(OH)2 + H2SO4 = MgSO4 + HOH =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 HOH
SO{2-} + {2-} = SO{3-} =>
2 SO{2-} + {2-} = 2 SO{3-}
C2H12O3 + O2 = H2O + CO2 =>
2 C2H12O3 + 7 O2 = 12 H2O + 4 CO2
Ca3(PO4)2(s) + H2SO4(aq) = Ca(H2PO4)2(aq) + CaSO4(s) =>
Ca3(PO4)2(s) + 2 H2SO4(aq) = Ca(H2PO4)2(aq) + 2 CaSO4(s)
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
Al4C3 + H2 = CH4 + Al =>
Al4C3 + 6 H2 = 3 CH4 + 4 Al
MnSO4 + CuCl = MnCl + CuSO4 =>
MnSO4 + CuCl = MnCl + CuSO4
SiO2 + Cr2O3 = SiO3 + CrO =>
SiO2 + Cr2O3 = SiO3 + 2 CrO
C2H4O2S + O2 = CO2 + H2O + SO =>
2 C2H4O2S + 5 O2 = 4 CO2 + 4 H2O + 2 SO
ethylalcohol + oxygen = carbonmonoxide + water =>
C2H5OH + 2 O2 = 2 CO + 3 H2O
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
KOH + CrBr3 = HCrBr3 + KO =>
KOH + CrBr3 = HCrBr3 + KO
Mg(aw) + O2(g) = Mg2O =>
4 Mg(aw) + O2(g) = 2 Mg2O
Au + HNO3 + HCl = HAuCl4 + N + H2O =>
5 Au + 3 HNO3 + 20 HCl = 5 HAuCl4 + 3 N + 9 H2O
KMnO4(aq) + Na2SO3(aq) + H2SO4(aq) = MnSO4(aq) + K2SO4(aq) + Na2SO4(aq) + H2O(s) =>
2 KMnO4(aq) + 5 Na2SO3(aq) + 3 H2SO4(aq) = 2 MnSO4(aq) + K2SO4(aq) + 5 Na2SO4(aq) + 3 H2O(s)
C4H10O + CuO = CO2 + H2O + Cu =>
C4H10O + 12 CuO = 4 CO2 + 5 H2O + 12 Cu
Ca(NO3)2 + Al(NO3)3*H2O + CO(NH2)2 = CO2 + CaAl2O4 + H2O + N2 =>
3 Ca(NO3)2 + 6 Al(NO3)3*H2O + 20 CO(NH2)2 = 20 CO2 + 3 CaAl2O4 + 46 H2O + 32 N2
Mg + H2SO4 = H2S + Mg(SO4)2 + H2O =>
2 Mg + 5 H2SO4 = H2S + 2 Mg(SO4)2 + 4 H2O
H2SO4(aq) + NaNO2(s) = HNO2(aq) + Na2SO4(aq) =>
H2SO4(aq) + 2 NaNO2(s) = 2 HNO2(aq) + Na2SO4(aq)
Al + H2O + KNO3 + KOH = K(Al(OH)4) + NH3 =>
8 Al + 18 H2O + 3 KNO3 + 5 KOH = 8 K(Al(OH)4) + 3 NH3
(CH2)(CO2H)2 + NaOH = (CH2)(CO2)2 + Na + H2O =>
(CH2)(CO2H)2 + 2 NaOH = (CH2)(CO2)2 + 2 Na + 2 H2O
Bi(OH)2Cl + H2SO4 = Bi2(SO4)3 + H2O + HCl =>
2 Bi(OH)2Cl + 3 H2SO4 = Bi2(SO4)3 + 4 H2O + 2 HCl
C3H6O3 + O = CO2 + H2O =>
C3H6O3 + 6 O = 3 CO2 + 3 H2O
C2H5OH + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO2 + H2O =>
5 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 5 CH3COOH + 2 Cr2(SO4)3 + 2 K2SO2 + 13 H2O
KI + C + H2O = CH2 + KIO =>
KI + C + H2O = CH2 + KIO
C10(SO4)3 + H2O2 + NaOH = Na2(C12O7) + Na2(SO4) + H2O =>
6 C10(SO4)3 + 12 H2O2 + 46 NaOH = 5 Na2(C12O7) + 18 Na2(SO4) + 35 H2O
NH4H2PO4 + MgCl2 = MgNH4PO4 + HCl =>
NH4H2PO4 + MgCl2 = MgNH4PO4 + 2 HCl
CH3BrCH3COOH = CH3COOCH3HBr =>
CH3BrCH3COOH = CH3COOCH3HBr
C18H36O2 + C2H6O = C20H40O2 + H2O =>
C18H36O2 + C2H6O = C20H40O2 + H2O
KMnO4 + CH3COOH + Na2SO3 = (CH3COO)2Mn + H2O + Na2SO4 + CH3COOK =>
2 KMnO4 + 6 CH3COOH + 5 Na2SO3 = 2(CH3COO)2Mn + 3 H2O + 5 Na2SO4 + 2 CH3COOK
Fe{3+} + HCl = FeCl3 + H{+} =>
Fe{3+} + 3 HCl = FeCl3 + 3 H{+}
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CrBr2 + H2SO4 + H2O2 = Cr2(SO4)3 + Br2 + H2O =>
2 CrBr2 + 3 H2SO4 + 3 H2O2 = Cr2(SO4)3 + 2 Br2 + 6 H2O
C6H5NO3 + HCl + Zn = ZnCl3 + H2O + C6H5NH3 =>
C6H5NO3 + 9 HCl + 3 Zn = 3 ZnCl3 + 3 H2O + C6H5NH3
KClO3 + Mn3O4 + K2CO3 = K2MnO4 + KCl + CO2 =>
5 KClO3 + 3 Mn3O4 + 9 K2CO3 = 9 K2MnO4 + 5 KCl + 9 CO2
MnO2 + HCl + H2SO4 = H2O + Cl2 + MnSO4 =>
MnO2 + 2 HCl + H2SO4 = 2 H2O + Cl2 + MnSO4
Cl2 + Sn = Cl{-} + Sn4{+} =>
Cl2 + 8 Sn = 2 Cl{-} + 2 Sn4{+}
CuBr2 + Al = Cu + AlBr3 =>
3 CuBr2 + 2 Al = 3 Cu + 2 AlBr3
C4H6O6 + NaOH = Na2C4H6O6 + CO2 + H2O =>
6 C4H6O6 + 10 NaOH = 5 Na2C4H6O6 + 4 CO2 + 8 H2O
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