Équations équilibrées la veille |
SeCl6 + O2 = SeO2 + 3 Cl2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
CoSO4(s) + KSCN(s) = K2[Co(SCN)4] + K2SO4 =>
CoSO4(s) + 4 KSCN(s) = K2[Co(SCN)4] + K2SO4
ZnCO3 = ZnCO + O2 =>
ZnCO3 = ZnCO + O2
KMnO4 + FeCl2 + HCl = MnO2 + FeCl3 + KCl + H2O =>
KMnO4 + 3 FeCl2 + 4 HCl = MnO2 + 3 FeCl3 + KCl + 2 H2O
KHSO4 + C = K2CO3 + SO2 + H2O =>
2 KHSO4 + C = K2CO3 + 2 SO2 + H2O
[Ti(NH2CONH2)6] + HI + K2O2 = [Ti(NH2CONH2)6]I3 + K + H2O =>
4[Ti(NH2CONH2)6] + 12 HI + 3 K2O2 = 4[Ti(NH2CONH2)6]I3 + 6 K + 6 H2O
Cr2 + O = Cr2O3 =>
Cr2 + 3 O = Cr2O3
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(g) =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(g)
CH3COOH + HCl = H2 + CH3COOCl =>
CH3COOH + HCl = H2 + CH3COOCl
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
Na + C8H18O = C8H17ONa + H2 =>
2 Na + 2 C8H18O = 2 C8H17ONa + H2
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
K3PO4 + MgCl2 = Mg + PO4 + KCl =>
2 K3PO4 + 3 MgCl2 = 3 Mg + 2 PO4 + 6 KCl
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O =>
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O
NH4ClO4(s) + Al(s) = Al2O3(g) + N2(g) + HCl(g) + H2O(g) =>
6 NH4ClO4(s) + 10 Al(s) = 5 Al2O3(g) + 3 N2(g) + 6 HCl(g) + 9 H2O(g)
AgF + Al2(CO3)3 = Ag(CO3)3 + Al2F =>
AgF + Al2(CO3)3 = Ag(CO3)3 + Al2F
CH3COOH + HCl = CH3COOCl + H =>
CH3COOH + HCl = CH3COOCl + 2 H
Li2 + H2O = H2 + LiOH =>
Li2 + 2 H2O = H2 + 2 LiOH
Fe + CI = Fe2CI =>
2 Fe + CI = Fe2CI
ClO{-} + Cr{3+} + OH{-} = CrO4{2-} + Cl{-} + H2O =>
3 ClO{-} + 2 Cr{3+} + 10 OH{-} = 2 CrO4{2-} + 3 Cl{-} + 5 H2O
Sc + Cl = ScCl3 =>
Sc + 3 Cl = ScCl3
ZnS + FeCl3 + H2O = FeCl2 + ZnSO4 + HCl =>
ZnS + 8 FeCl3 + 4 H2O = 8 FeCl2 + ZnSO4 + 8 HCl
Cu + Fe(NO3)2 = CuNO3 + Fe =>
2 Cu + Fe(NO3)2 = 2 CuNO3 + Fe
BaS + KNO3 = Ba(NO3)2 + K2S =>
BaS + 2 KNO3 = Ba(NO3)2 + K2S
FeCl3 + Ca(OH)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCl2
Be(OH)2 + Ba(OH)2 = BaBeO2 + H2O =>
Be(OH)2 + Ba(OH)2 = BaBeO2 + 2 H2O
La + NaOH = La(OH)3 + Na =>
La + 3 NaOH = La(OH)3 + 3 Na
CH3CH2CHO + Cr2O7{-2} + H{+} = CH3CH2COOH + Cr{+3} + H2O =>
3 CH3CH2CHO + Cr2O7{-2} + 8 H{+} = 3 CH3CH2COOH + 2 Cr{+3} + 4 H2O
K2CO3(H2O) + HCl = KCl + CO2 + H2O =>
K2CO3(H2O) + 2 HCl = 2 KCl + CO2 + 2 H2O
W + B = BW2 =>
2 W + B = BW2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CuBr2 + Ca(OH)2 = Cu(OH)2 + CaBr2 =>
CuBr2 + Ca(OH)2 = Cu(OH)2 + CaBr2
NH4NO3 + Li = LiNO3 + NH4 =>
NH4NO3 + Li = LiNO3 + NH4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Mg + BaBr2 = MgBr2 + Ba =>
Mg + BaBr2 = MgBr2 + Ba
Ni + CuSO4 = NiSO4 + Cu =>
Ni + CuSO4 = NiSO4 + Cu
HCOOH + (CH3CO)2O = HCOOOCCH3 + CH3COOH =>
HCOOH + (CH3CO)2O = HCOOOCCH3 + CH3COOH
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
CH3CH2CH3 + Cl2 = CH3CH(Cl)CH3 + HCl =>
CH3CH2CH3 + Cl2 = CH3CH(Cl)CH3 + HCl
B + W = BW =>
B + W = BW
Zn + TiCl2 = ZnCl2 + Ti =>
Zn + TiCl2 = ZnCl2 + Ti
Ag + KNO3 + H2SO4 = NO2 + Ag2SO4 + K2SO4 + H2O =>
2 Ag + 2 KNO3 + 2 H2SO4 = 2 NO2 + Ag2SO4 + K2SO4 + 2 H2O
Ag + H2O = AgOH2 =>
Ag + H2O = AgOH2
CrBr3 + KMnO4 + KOH = K2CrO4 + KBr + K2MnO4 + H2O =>
CrBr3 + 3 KMnO4 + 8 KOH = K2CrO4 + 3 KBr + 3 K2MnO4 + 4 H2O
Fe + NaOH = Fe(NaOH)3 =>
Fe + 3 NaOH = Fe(NaOH)3
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