Équations équilibrées la veille |
Ta2O5 + 14 HF = 2 TaF7 + 4 H + 5 H2O
Na2CO3 + HCl = Na2Cl2 + CO2 + H2O =>
Na2CO3 + 2 HCl = Na2Cl2 + CO2 + H2O
HSO3NH2 + KOH = KSO3NH2 + H2O =>
HSO3NH2 + KOH = KSO3NH2 + H2O
K3[Fe(CN)6] + Cr2O3 + KOH = K4[Fe(CN)6] + K2CrO4 + H2OK =>
K3[Fe(CN)6] + Cr2O3 + 10 KOH = K4[Fe(CN)6] + 2 K2CrO4 + 5 H2OK
AgNO3(aq) + Na2S(aq) = Ag2S(s) + NaNO3(aq) =>
2 AgNO3(aq) + Na2S(aq) = Ag2S(s) + 2 NaNO3(aq)
NaCI + F2 = NaF + CI =>
2 NaCI + F2 = 2 NaF + 2 CI
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
HCO3 + Na = HCO3Na =>
HCO3 + Na = HCO3Na
Na2SO4(aq) + BaCl2(aq) = Ba(SO4)(s) + NaCl(aq) =>
Na2SO4(aq) + BaCl2(aq) = Ba(SO4)(s) + 2 NaCl(aq)
NH4Br + Ba(OH)2 = NH3 + BaBr2 + H2O =>
2 NH4Br + Ba(OH)2 = 2 NH3 + BaBr2 + 2 H2O
LiO = OLi =>
LiO = OLi
ZnO + HNO3 = Zn(NO3)2 + H2O =>
ZnO + 2 HNO3 = Zn(NO3)2 + H2O
Hg2SO4 = Hg + S2O3 + O2 =>
4 Hg2SO4 = 8 Hg + 2 S2O3 + 5 O2
HNo3 + Al(OH)3 = Al(No3)3 + H2O =>
3 HNo3 + Al(OH)3 = Al(No3)3 + 3 H2O
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
CH3COOC2H5 + KMnO4 + H2SO4 = HCOOH + K2SO4 + MnSO4 + H2O =>
5 CH3COOC2H5 + 12 KMnO4 + 18 H2SO4 = 20 HCOOH + 6 K2SO4 + 12 MnSO4 + 18 H2O
I2 + K2SO4 + H2O = KIO3 + KI + H2SO4 =>
3 I2 + 3 K2SO4 + 3 H2O = KIO3 + 5 KI + 3 H2SO4
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Na2SO4 + CuSO4 = Na2Cu + SO4 =>
Na2SO4 + CuSO4 = Na2Cu + 2 SO4
NaOHH2S = NaSH2OH =>
NaOHH2S = NaSH2OH
Pb + H2CO3 = PbCO3 + H2 =>
Pb + H2CO3 = PbCO3 + H2
CH3CH2OH + H2SO4 = CH4 + SO4 + H2O =>
CH3CH2OH + 2 H2SO4 = 2 CH4 + 2 SO4 + H2O
C4H9ClAgNO3C2H6O = (CH3)3COC2H5HNO3AgCl =>
C4H9ClAgNO3C2H6O = (CH3)3COC2H5HNO3AgCl
Sn + H2SO4 + K3[Fe(CN)6] = Sn3[Fe(CN)6]2 + K2SO4 + H2 =>
3 Sn + 3 H2SO4 + 2 K3[Fe(CN)6] = Sn3[Fe(CN)6]2 + 3 K2SO4 + 3 H2
Na2SO4 + CuSO4 = Na2Cu + SO4 =>
Na2SO4 + CuSO4 = Na2Cu + 2 SO4
Al2O3 + BeO = Al2BeO4 =>
Al2O3 + BeO = Al2BeO4
KOH + H2O = H + KOH[OH] =>
KOH + H2O = H + KOH[OH]
Cr(NO3)3 + NH4F = Cr(OH)3 + HF + HNO3 + N2 =>
3 Cr(NO3)3 + 5 NH4F = 3 Cr(OH)3 + 5 HF + 6 HNO3 + 4 N2
Na2SO4 + CuSO4 = Na2Cu + SO4 =>
Na2SO4 + CuSO4 = Na2Cu + 2 SO4
Zn3As2 + hydrochloricacid = arsine + zincchloride =>
Zn3As2 + 6 HCl = 2 AsH3 + 3 ZnCl2
Cr(NO3)3 + NH4F = Cr(OH)3 + HF + HNO3 + N2 =>
3 Cr(NO3)3 + 5 NH4F = 3 Cr(OH)3 + 5 HF + 6 HNO3 + 4 N2
Na2SO4 + CuSO4 = Na2Cu + SO4 =>
Na2SO4 + CuSO4 = Na2Cu + 2 SO4
Fe2S3 + H2O + O2 = Fe(OH)3 + S =>
2 Fe2S3 + 6 H2O + 3 O2 = 4 Fe(OH)3 + 6 S
ZnHSO4 = Zn(HSO4) =>
ZnHSO4 = Zn(HSO4)
FeSO4 + Ca(OH)2 = CaSO4 + Fe(OH)2 =>
FeSO4 + Ca(OH)2 = CaSO4 + Fe(OH)2
HgO + Cl2 = Hg2Cl2 + O2 =>
2 HgO + Cl2 = Hg2Cl2 + O2
C8 = C9 =>
9 C8 = 8 C9
Zn(OH)2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
N3 = N2 =>
2 N3 = 3 N2
C10H16 + H2 = C10H22 =>
C10H16 + 3 H2 = C10H22
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
OH = O2 + H2 =>
2 OH = O2 + H2
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
Ba + N + O = BaNO =>
Ba + N + O = BaNO
Zn(NO3)2 + NaSO4 = ZnSO4 + Na(NO3)2 =>
Zn(NO3)2 + NaSO4 = ZnSO4 + Na(NO3)2
Na2SO4 + CuSO4 = NaCu + SO4 =>
Na2SO4 + 2 CuSO4 = 2 NaCu + 3 SO4
Mg + CaCl2 = Ca + MgCl2 =>
Mg + CaCl2 = Ca + MgCl2
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
(NH4)2S + CuSO4 = CuS + H2SO4 + NH3 =>
(NH4)2S + CuSO4 = CuS + H2SO4 + 2 NH3
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