| Équations équilibrées la veille |
5 KBr + 5 FeBr2 + KMnO4 + 4 H2SO4 = 5 FeBr3 + MnSO4 + 3 K2SO4 + 4 H2O
KCl + AgF = KF + AgCl =>
KCl + AgF = KF + AgCl
AgNO3 + Na2CrO4 = Ag2CrO4 + NaNO3 =>
2 AgNO3 + Na2CrO4 = Ag2CrO4 + 2 NaNO3
Al2(SO4)3 + Na2(CO3) + H2O = Al(OH)3 + Na2SO4 + CO2 =>
Al2(SO4)3 + 3 Na2(CO3) + 3 H2O = 2 Al(OH)3 + 3 Na2SO4 + 3 CO2
(Cu)2(O) + C = Cu + CO2 =>
2(Cu)2(O) + C = 4 Cu + CO2
Fe2(SO4)3 + Na2S = FeSO4 + Na2SO4 + S =>
Fe2(SO4)3 + Na2S = 2 FeSO4 + Na2SO4 + S
C2H6O + O2 = C2H4O2 + H2O =>
C2H6O + O2 = C2H4O2 + H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Fe2(SO4)3 + Na2S = FeSO4 + Na2SO4 + S =>
Fe2(SO4)3 + Na2S = 2 FeSO4 + Na2SO4 + S
Fe3O4 + O2 = Fe2O3 =>
4 Fe3O4 + O2 = 6 Fe2O3
SO2 + MgO = MgSO3 =>
SO2 + MgO = MgSO3
Fe(CH3COO)3 + HOH = CH3COOH + Fe(OH)3 =>
Fe(CH3COO)3 + 3 HOH = 3 CH3COOH + Fe(OH)3
HCOOH + CH3OH = HCOOCH3 + H2O =>
HCOOH + CH3OH = HCOOCH3 + H2O
Fe2(SO4)3 + Na2S = FeSO4 + Na2SO4 + S =>
Fe2(SO4)3 + Na2S = 2 FeSO4 + Na2SO4 + S
Fe(oh)3 + KOH + Br2 = Fe(OH)3 + KBr =>
2 Fe(oh)3 + 18 KOH + 9 Br2 = 6 Fe(OH)3 + 18 KBr
Na2S + Fe2(SO4)3 = Na2SO4 + FeS + S =>
3 Na2S + Fe2(SO4)3 = 3 Na2SO4 + 2 FeS + S
OH + S2O4 = SO4 + H2O =>
8 OH + S2O4 = 2 SO4 + 4 H2O
P2I4 + P4 + H2O = PH4I + H3PO4 =>
10 P2I4 + 13 P4 + 128 H2O = 40 PH4I + 32 H3PO4
HCl + Al(OH)3 = AlCl3 + H2O =>
3 HCl + Al(OH)3 = AlCl3 + 3 H2O
Zn(OH)2 = Zn + H2 + O2 =>
Zn(OH)2 = Zn + H2 + O2
CH2CH2 + Cl2 = ClCH2CH2Cl =>
CH2CH2 + Cl2 = ClCH2CH2Cl
HC3H3O2 + Ba(OH)2 = H2O + BaC2H2O2 =>
2 HC3H3O2 + 3 Ba(OH)2 = 4 H2O + 3 BaC2H2O2
Fe{2+} + NO3{-} + H{+} = Fe{3+} + H2O + NO =>
3 Fe{2+} + NO3{-} + 4 H{+} = 3 Fe{3+} + 2 H2O + NO
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C(s) + H2SO4(s) = CO2(g) + SO2(g) + H2O(l) =>
C(s) + 2 H2SO4(s) = CO2(g) + 2 SO2(g) + 2 H2O(l)
HCl + K2SO4 = KCl + H2SO4 =>
2 HCl + K2SO4 = 2 KCl + H2SO4
Fe2(SO4)3 + Na2S = FeSO4 + Na2SO4 + S =>
Fe2(SO4)3 + Na2S = 2 FeSO4 + Na2SO4 + S
KSiO + HCl = KCl + Si(OH) =>
KSiO + HCl = KCl + Si(OH)
NaOH + HNO3 = NaNO3 + H2O = =>
NaOH + HNO3 = NaNO3 + H2O
Fe(NO3)3 + MgO = Fe2O3 + Mg(NO3)2 =>
2 Fe(NO3)3 + 3 MgO = Fe2O3 + 3 Mg(NO3)2
H2SO4(ac) + NaOH(ac) = Na2SO4(ac) + H2O(i) =>
H2SO4(ac) + 2 NaOH(ac) = Na2SO4(ac) + 2 H2O(i)
BaCrO4 + HNO3 = BaCr2O7 + Ba(NO3)2 + H2O =>
2 BaCrO4 + 2 HNO3 = BaCr2O7 + Ba(NO3)2 + H2O
CH2CH3OH + O2 = H2O + CH3COOH =>
CH2CH3OH + O2 = H2O + CH3COOH
HCl + MaO = MaOH + Cl =>
HCl + MaO = MaOH + Cl
AgNO3 + Na2SO4 = Ag2SO4 + NaNO3 =>
2 AgNO3 + Na2SO4 = Ag2SO4 + 2 NaNO3
NH4Br + SnCl2 = NH4Cl + SnBr2 =>
2 NH4Br + SnCl2 = 2 NH4Cl + SnBr2
BaCrO4 + HNO3 = BaCr2O7 + Ba(NO3)2 + H2O =>
2 BaCrO4 + 2 HNO3 = BaCr2O7 + Ba(NO3)2 + H2O
CH3CH2CH2CH3CH3 + O2 = CO2 + H2O =>
4 CH3CH2CH2CH3CH3 + 33 O2 = 20 CO2 + 26 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
NH4Br + Ba(OH)2 = BaBr2 + H2O + NH3 =>
2 NH4Br + Ba(OH)2 = BaBr2 + 2 H2O + 2 NH3
Na2S + Cl2 + H2O = Na2SO4 + HCl =>
Na2S + 4 Cl2 + 4 H2O = Na2SO4 + 8 HCl
H2SO4 + HCO3{-} = SO4{2-} + CO2 + H2O =>
H2SO4 + 2 HCO3{-} = SO4{2-} + 2 CO2 + 2 H2O
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
KOH + Cl2 + CrI3 = K2Cr2O7 + KIO4 + KCl + H2O =>
62 KOH + 27 Cl2 + 2 CrI3 = K2Cr2O7 + 6 KIO4 + 54 KCl + 31 H2O
C8H20 + O2 = CO + H2O =>
C8H20 + 9 O2 = 8 CO + 10 H2O
CuO + H{+} = Cu{+2} + H2O =>
CuO + 2 H{+} = Cu{+2} + H2O
NH = N2 + H2 =>
2 NH = N2 + H2
K2Cr2O7 + H2SO4 + HCl = Cr2(SO4)3 + Cl2 + K2SO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 6 HCl = Cr2(SO4)3 + 3 Cl2 + K2SO4 + 7 H2O
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