| Équations équilibrées la veille |
PbNO3 + NaI = IPb + NaNO3
HBr + (NH4)2S = H2S + NH4Br =>
2 HBr + (NH4)2S = H2S + 2 NH4Br
(Ca(OH)2) + (HNO3) = Ca(NO3)2 + HOH =>
(Ca(OH)2) + 2(HNO3) = Ca(NO3)2 + 2 HOH
CH3OH + CrO3 + HCl = Cr(OH)Cl2 + H2O + CO2 =>
CH3OH + 2 CrO3 + 4 HCl = 2 Cr(OH)Cl2 + 3 H2O + CO2
C2H4 + K2Cr2O7 + H2SO4 = CO2 + H2O + K2SO4 + Cr2(SO4)3 =>
C2H4 + 2 K2Cr2O7 + 8 H2SO4 = 2 CO2 + 10 H2O + 2 K2SO4 + 2 Cr2(SO4)3
Ca2OSO3 = Ca2SO4 =>
Ca2OSO3 = Ca2SO4
K[Al(OH)4] + HCl = AlCl3 + H2O + KCl =>
K[Al(OH)4] + 4 HCl = AlCl3 + 4 H2O + KCl
ZnCO3 + H2O = CO2 + Zn(OH)2 =>
ZnCO3 + H2O = CO2 + Zn(OH)2
KMnO4 + K2[Fe(CN)6] + H2SO4 = K[Fe(CN)6] + MnSO4 + K2SO4 + H2O =>
KMnO4 + 5 K2[Fe(CN)6] + 4 H2SO4 = 5 K[Fe(CN)6] + MnSO4 + 3 K2SO4 + 4 H2O
PH3 + KOH + H2O = H2 + K2HPO4 =>
PH3 + 2 KOH + 2 H2O = 4 H2 + K2HPO4
HSCH2CH2N(CH3)2 + O2 = CO2 + H2O + N2 + SO4 =>
4 HSCH2CH2N(CH3)2 + 35 O2 = 16 CO2 + 22 H2O + 2 N2 + 4 SO4
Ca(IO3)2 + KI + HCl = Ca(Cl)2 + KCl + I2 + H2O =>
Ca(IO3)2 + 10 KI + 12 HCl = Ca(Cl)2 + 10 KCl + 6 I2 + 6 H2O
K2CrO4 + Ba(NO3)2 + NaOH = Ba(OH)2 + Na2CrO4 + KNO3 =>
K2CrO4 + Ba(NO3)2 + 2 NaOH = Ba(OH)2 + Na2CrO4 + 2 KNO3
Mg + (OH)2 + H2SO4 = MgSO4 + H2O =>
Mg + (OH)2 + H2SO4 = MgSO4 + 2 H2O
N2 + O2 = (NO)2 =>
N2 + O2 = (NO)2
C12H22O4 + O2 = CO2 + HOH =>
2 C12H22O4 + 31 O2 = 24 CO2 + 22 HOH
Cr2O3 + FeSi = Cr + Fe + SiO2 =>
2 Cr2O3 + 3 FeSi = 4 Cr + 3 Fe + 3 SiO2
H2O2 + SnCl2 + NaOH = Na2[Sn(OH)6] + NaCl =>
H2O2 + SnCl2 + 4 NaOH = Na2[Sn(OH)6] + 2 NaCl
Mg(s)O2(g) = MgO2(s) =>
Mg(s)O2(g) = MgO2(s)
KIO3 + NaHSO3 = I2 + Na2SO4 + H2SO4 + K2SO4 + H2O =>
4 KIO3 + 10 NaHSO3 = 2 I2 + 5 Na2SO4 + 3 H2SO4 + 2 K2SO4 + 2 H2O
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
CUOH2SO4 = CUSO4H2O =>
CUOH2SO4 = CUSO4H2O
ZnCO2 + O2 = ZnO + CO2 =>
2 ZnCO2 + O2 = 2 ZnO + 2 CO2
C2 = C8 =>
4 C2 = C8
NH3 + Ag(NO3) = N(NO3) + AgH3 =>
NH3 + Ag(NO3) = N(NO3) + AgH3
Fe3O4(s) + O2(g) = Fe2O3(s) =>
4 Fe3O4(s) + O2(g) = 6 Fe2O3(s)
NaOH + CuSO4*5H2O = Cu(OH)2 + Na2SO4 + H2O =>
2 NaOH + CuSO4*5H2O = Cu(OH)2 + Na2SO4 + 5 H2O
Na2 + S = NaS =>
Na2 + 2 S = 2 NaS
FeCl3 + K2C2O4 = K3[Fe(C2O4)3] + KCl =>
FeCl3 + 3 K2C2O4 = K3[Fe(C2O4)3] + 3 KCl
Sr(HSO4)2Sr(OH)2 = SrSO4H2O =>
Sr(HSO4)2Sr(OH)2 = 2 SrSO4H2O
HBr + Fe = H2Fe + Br2 =>
2 HBr + Fe = H2Fe + Br2
Cu(k)O(d) = CuO(k) =>
Cu(k)O(d) = CuO(k)
He + H = He2H4 =>
2 He + 4 H = He2H4
AsO4 + H2O = H3AsO4 + OH =>
AsO4 + 3 H2O = H3AsO4 + 3 OH
Na2AsO3 + I2 + H2O = Na2AsO4 + HI =>
Na2AsO3 + I2 + H2O = Na2AsO4 + 2 HI
H2O2 + SnCl2 + NaOH = O2 + HCl + Na[Sn(OH)3] =>
2 H2O2 + SnCl2 + NaOH = O2 + 2 HCl + Na[Sn(OH)3]
CCl4CCl4 = C + Cl102 =>
51 CCl4CCl4 = 102 C + 4 Cl102
MnO4{-} + C6H12O6 + H{+} = CO2 + Mn{2+} + H2O =>
24 MnO4{-} + 5 C6H12O6 + 72 H{+} = 30 CO2 + 24 Mn{2+} + 66 H2O
Zn + CuCl4 = ZnCl4 + Cu2 =>
2 Zn + 2 CuCl4 = 2 ZnCl4 + Cu2
Al + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + Al2(SO4)3 =>
2 Al + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 7 H2O + Al2(SO4)3
H2SO4 + NaOH = HOH + Na2(SO4) =>
H2SO4 + 2 NaOH = 2 HOH + Na2(SO4)
Li3N + K2O = Li2O + K3N =>
2 Li3N + 3 K2O = 3 Li2O + 2 K3N
H2S2O4 + CdO = CdS + SO2 + H2O =>
3 H2S2O4 + CdO = CdS + 5 SO2 + 3 H2O
AlO + CO = Al + CO2 =>
AlO + CO = Al + CO2
K2Cr2O7 + HCl + SnCl2 = CrCl3 + SnCl4 + H2O + KCl =>
K2Cr2O7 + 14 HCl + 3 SnCl2 = 2 CrCl3 + 3 SnCl4 + 7 H2O + 2 KCl
MgO + Al = Mg3Al2 + O2 =>
6 MgO + 4 Al = 2 Mg3Al2 + 3 O2
K2CrO4 + CaS = K2S + CaCrO4 =>
K2CrO4 + CaS = K2S + CaCrO4
HgOH + H2PO4 = Hg2PO4 + H2O =>
2 HgOH + H2PO4 = Hg2PO4 + 2 H2O
KClO3 + SbS3 = Sb2O5 + KCl + SO2 =>
17 KClO3 + 6 SbS3 = 3 Sb2O5 + 17 KCl + 18 SO2
C5H11Cl + KCN = C6H11N + KCl =>
C5H11Cl + KCN = C6H11N + KCl
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