| Équations équilibrées la veille |
S{2-} + Ba{2+} = SBa
K3[Cr(C2O4)3] + KMnO4 + H2SO4 = Cr2(SO4)3 + MnSO4 + K2SO4 + CO2 + H2O =>
10 K3[Cr(C2O4)3] + 12 KMnO4 + 48 H2SO4 = 5 Cr2(SO4)3 + 12 MnSO4 + 21 K2SO4 + 60 CO2 + 48 H2O
HNO2 = HNO + HNO3 =>
2 HNO2 = HNO + HNO3
Li2CrO4 + Al(NO3)3 = Al2(CrO4)3 + LiNO3 =>
3 Li2CrO4 + 2 Al(NO3)3 = Al2(CrO4)3 + 6 LiNO3
CH3COOC3H7 + KOH = CH3COOK + C3H7OH =>
CH3COOC3H7 + KOH = CH3COOK + C3H7OH
Cr2(CO3)3 + NaOH = Na2Cr2O4 + CO2 + H2O =>
Cr2(CO3)3 + 2 NaOH = Na2Cr2O4 + 3 CO2 + H2O
CrO + HCl = CrCl + Cl2 + H2O =>
2 CrO + 4 HCl = 2 CrCl + Cl2 + 2 H2O
(NH4)2SO4 + Ba(NO3)2 = BaSO4 + HNO3 + NH3 =>
(NH4)2SO4 + Ba(NO3)2 = BaSO4 + 2 HNO3 + 2 NH3
Al(NO3)3 + KOH = Al(OH)3 + KNO3 =>
Al(NO3)3 + 3 KOH = Al(OH)3 + 3 KNO3
Na2S2O8 + Fe2O3 + NaOH = Na2FeO4 + Na2SO4 + H2O =>
3 Na2S2O8 + Fe2O3 + 10 NaOH = 2 Na2FeO4 + 6 Na2SO4 + 5 H2O
IF3 + H2O = HF + HIO2 =>
IF3 + 2 H2O = 3 HF + HIO2
HN4{+} + H2O = HN4OH + H{+} =>
HN4{+} + H2O = HN4OH + H{+}
C3H7OH + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + CH3CH2COOH =>
5 C3H7OH + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 11 H2O + 5 CH3CH2COOH
C9H19COH + O2 = CO2 + H2O =>
2 C9H19COH + 29 O2 = 20 CO2 + 20 H2O
(NH4)2SO4(aq) + Ca(OH)2(s) = CaSO4(s) + NH3(g) + H2O(l) =>
(NH4)2SO4(aq) + Ca(OH)2(s) = CaSO4(s) + 2 NH3(g) + 2 H2O(l)
CaO2H2 + HNO3 = CaN2O6 + H2O =>
CaO2H2 + 2 HNO3 = CaN2O6 + 2 H2O
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
K{+} + I{-} = KI =>
K{+} + I{-} = KI
Fe2 + O2 = FeO =>
Fe2 + O2 = 2 FeO
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
C5H11 + OH = CO2 + H2O =>
C5H11 + 31 OH = 5 CO2 + 21 H2O
Al(OH)3 + Zn(OH)2 = Zn(Al(OH)5) =>
Al(OH)3 + Zn(OH)2 = Zn(Al(OH)5)
K2C2O4 + Mg(NO3)2 = KNO3 + MgC2O4 =>
K2C2O4 + Mg(NO3)2 = 2 KNO3 + MgC2O4
P + O = P4O6 =>
4 P + 6 O = P4O6
C + O2 = CO2 =>
C + O2 = CO2
AsCl3 + NaBH4 = AsH3 + NaCl + BCl3 =>
4 AsCl3 + 3 NaBH4 = 4 AsH3 + 3 NaCl + 3 BCl3
SnSO4 = SnSO3 + O2 =>
2 SnSO4 = 2 SnSO3 + O2
ZnCl2 + H2O + CO2 = Zn2(OH)2CO3 + HCl =>
2 ZnCl2 + 3 H2O + CO2 = Zn2(OH)2CO3 + 4 HCl
Fe(s) + Ni(NO3)2(aq) = Fe(NO3)3(aq) + Ni(s) =>
2 Fe(s) + 3 Ni(NO3)2(aq) = 2 Fe(NO3)3(aq) + 3 Ni(s)
S2{-} = S + e =>
S2{-} = 2 S + e
IF3 + H2O = HF + HIO2 =>
IF3 + 2 H2O = 3 HF + HIO2
Cr + SnI2 = Sn + CrI =>
2 Cr + SnI2 = Sn + 2 CrI
Zu + S = ZuS =>
Zu + S = ZuS
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
KClO + CS2 + KOH = K2SO4 + K2CO3 + KCl + H2O =>
8 KClO + CS2 + 6 KOH = 2 K2SO4 + K2CO3 + 8 KCl + 3 H2O
LiClK[Sb(OH)6] = Li[Sb(OH)6]KCl =>
LiClK[Sb(OH)6] = Li[Sb(OH)6]KCl
Ca(OH)2 + HI = HI(OH)2 + Ca =>
Ca(OH)2 + HI = HI(OH)2 + Ca
NaBr + MnO2 + H2SO4 = Na2SO4 + MnBr2 + Br2 + H2O =>
4 NaBr + MnO2 + 2 H2SO4 = 2 Na2SO4 + MnBr2 + Br2 + 2 H2O
KNO3 + Al + NaOH + H2O = K[Al(OH)4] + NaNO3 + NH3 =>
8 KNO3 + 8 Al + 5 NaOH + 18 H2O = 8 K[Al(OH)4] + 5 NaNO3 + 3 NH3
Cd + HNO3 = Cd(NO3)2 + N2O + H2O =>
4 Cd + 10 HNO3 = 4 Cd(NO3)2 + N2O + 5 H2O
Ba(No3)2 + KCl = BaCl2 + KNo3 =>
Ba(No3)2 + 2 KCl = BaCl2 + 2 KNo3
HClO = HCl + HClO2 =>
2 HClO = HCl + HClO2
C15H22O2 + O2 = CO2 + H2O =>
2 C15H22O2 + 39 O2 = 30 CO2 + 22 H2O
OH{-} + ClO3{-} + Fe(OH)3 = FeO4{2-} + Cl{-} + H2O =>
4 OH{-} + ClO3{-} + 2 Fe(OH)3 = 2 FeO4{2-} + Cl{-} + 5 H2O
Pb(NO3)2 + CoCl = PbCl2 + CoNO3 =>
Pb(NO3)2 + 2 CoCl = PbCl2 + 2 CoNO3
Ni(Br)2 + O2 = NiO + Br =>
2 Ni(Br)2 + O2 = 2 NiO + 4 Br
SrCO3 + CH3COOH = Sr(CH3COO)2 + H2O + CO2 =>
SrCO3 + 2 CH3COOH = Sr(CH3COO)2 + H2O + CO2
Cl2 + CaO2H2 = CaCl2O6 + CaCl2 + H2O =>
6 Cl2 + 6 CaO2H2 = CaCl2O6 + 5 CaCl2 + 6 H2O
AlCl3 + Br = BrCl + Al =>
AlCl3 + 3 Br = 3 BrCl + Al
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Équations équilibrées sur11/20/24
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