| Équations équilibrées la veille |
11 K2Mn2O7 + 74 HCl + 8 KSCN = 8 CO2 + 8 SO2 + 8 NO + 22 MnCl2 + 30 KCl + 37 H2O
NaNO3 + C = NaNO2 + CO2 =>
2 NaNO3 + C = 2 NaNO2 + CO2
HO2 = H + O2 =>
HO2 = H + O2
Na2TeO3 + NaI + HCl = NaCl + Te + H2O + I2 =>
Na2TeO3 + 4 NaI + 6 HCl = 6 NaCl + Te + 3 H2O + 2 I2
NaF + Zn(NO3)2 = ZnF2 + NaNO3 =>
2 NaF + Zn(NO3)2 = ZnF2 + 2 NaNO3
Ba + HCl = H2 + BaCl2 =>
Ba + 2 HCl = H2 + BaCl2
Pb(NO3)2 + Na4Si = Pb2Si + NaNO3 =>
2 Pb(NO3)2 + Na4Si = Pb2Si + 4 NaNO3
MnO{-}4 + H{+} + Cl{-} = Mn2{+} + Cl2 + H2O =>
4 MnO{-}4 + 8 H{+} + 2 Cl{-} = 2 Mn2{+} + Cl2 + 4 H2O
NaBr + Cl = BrCl + Na =>
NaBr + Cl = BrCl + Na
NaCl + HgCl2 + SnCl2 = Na2SnCl6 + Hg2Cl2 =>
2 NaCl + 2 HgCl2 + SnCl2 = Na2SnCl6 + Hg2Cl2
KF + HNO3 + CuBr2 = KBr + HF + Cu(NO3)2 =>
2 KF + 2 HNO3 + CuBr2 = 2 KBr + 2 HF + Cu(NO3)2
C6H5Cl + CH3Cl + Na = NaCl + C6H5CH3 =>
C6H5Cl + CH3Cl + 2 Na = 2 NaCl + C6H5CH3
J2 + CH3COOH = HJ + CH3COOJ =>
J2 + CH3COOH = HJ + CH3COOJ
HCN + CH4 = H2 + CH3CN =>
HCN + CH4 = H2 + CH3CN
BaCl2 + H2SO4 = HCl + Ba2(SO4)2 =>
2 BaCl2 + 2 H2SO4 = 4 HCl + Ba2(SO4)2
H202 = H0 =>
H202 = 202 H0
KMnO4 + H2SO4 + NaHSO3 = H2O + K2SO4 + MnSO4 + NaHSO4 =>
2 KMnO4 + 3 H2SO4 + 5 NaHSO3 = 3 H2O + K2SO4 + 2 MnSO4 + 5 NaHSO4
(NH4)3P(O4) + Pb(NO3)4 = (Pb3)(PO4)4 + N(H4)N(O3) =>
4(NH4)3P(O4) + 3 Pb(NO3)4 = (Pb3)(PO4)4 + 12 N(H4)N(O3)
VO5 + H = V3O + HO =>
3 VO5 + 14 H = V3O + 14 HO
Al + AgNo3 = AgAl + No3 =>
Al + AgNo3 = AgAl + No3
NaCl + MnO2 + HNO3 = Cl2 + Mn(NO3)2 + NaNO3 + H2O =>
2 NaCl + MnO2 + 4 HNO3 = Cl2 + Mn(NO3)2 + 2 NaNO3 + 2 H2O
HI + FeCe3 = I2 + FeCe2 + HCe =>
2 HI + 2 FeCe3 = I2 + 2 FeCe2 + 2 HCe
NH4HCO3 + NaOH = NaHCO3 + NH3 + H2O =>
NH4HCO3 + NaOH = NaHCO3 + NH3 + H2O
FeCl3 + Na2S2O3 = FeCl2 + Na2S4O6 + NaCl =>
2 FeCl3 + 2 Na2S2O3 = 2 FeCl2 + Na2S4O6 + 2 NaCl
C9H10Cl + NH4Cl = C9H13N + NH2Cl3 + H =>
C9H10Cl + 2 NH4Cl = C9H13N + NH2Cl3 + 3 H
ZnCl2 + Cr(OH)3 = Zn(OH)2 + CrCl3 =>
3 ZnCl2 + 2 Cr(OH)3 = 3 Zn(OH)2 + 2 CrCl3
Sr(OH)2 + H3Po4 = SrHPo4 + H2O =>
Sr(OH)2 + H3Po4 = SrHPo4 + 2 H2O
N2O + S{2-} = SO4{2-} + N2 =>
4 N2O + S{2-} = SO4{2-} + 4 N2
H(C2H3O4) + Mg(CO3) = Mg(C4H6O4) + H2O + CO2 =>
4 H(C2H3O4) + Mg(CO3) = Mg(C4H6O4) + 5 H2O + 5 CO2
Zn(s) + HNO3(aq) = NO2 + H2O + Zn(NO3)2 =>
Zn(s) + 4 HNO3(aq) = 2 NO2 + 2 H2O + Zn(NO3)2
K2Cr2O7 + FeO + HCl = CrCl3 + FeCl3 + KCl + H2O =>
K2Cr2O7 + 6 FeO + 26 HCl = 2 CrCl3 + 6 FeCl3 + 2 KCl + 13 H2O
I2 + HClO4 + H2O = HIO3 + Cl2 =>
7 I2 + 10 HClO4 + 2 H2O = 14 HIO3 + 5 Cl2
H2(PHO3) + AgNO3 + H2O = H3PO4 + Ag + HNO3 =>
H2(PHO3) + 2 AgNO3 + H2O = H3PO4 + 2 Ag + 2 HNO3
CuO + FeO4S = FeO + CuSO4 =>
CuO + FeO4S = FeO + CuSO4
Ni{2+} + H2O = HNiO2{-} + H{+} =>
Ni{2+} + 2 H2O = HNiO2{-} + 3 H{+}
K2Cr2O7 + Zn + KOH + H2O = K3[Cr(OH)6] + K2[Zn(OH)4] =>
K2Cr2O7 + 3 Zn + 10 KOH + 7 H2O = 2 K3[Cr(OH)6] + 3 K2[Zn(OH)4]
Ca3(PO4)2 + BaOH2 = CaOH2 + Ba3(PO4)2 =>
Ca3(PO4)2 + 3 BaOH2 = 3 CaOH2 + Ba3(PO4)2
Ag(PO4)2 + Na = Na(PO4)2 + Ag =>
Ag(PO4)2 + Na = Na(PO4)2 + Ag
H2SO4 + Fe + H2O2 = Fe2(SO4)3 + H2O =>
3 H2SO4 + 2 Fe + 3 H2O2 = Fe2(SO4)3 + 6 H2O
K2S + AgNO3 = KNO3 + Ag2S =>
K2S + 2 AgNO3 = 2 KNO3 + Ag2S
KNO3(s) + Fe(s) + C12H6O2(s) = CO2(g) + K2Fe(s) + N2(g) + H2O =>
50 KNO3(s) + 25 Fe(s) + 6 C12H6O2(s) = 72 CO2(g) + 25 K2Fe(s) + 25 N2(g) + 18 H2O
FeCl + Na3PO4 = Fe(PO4) + ClNa3 =>
FeCl + Na3PO4 = Fe(PO4) + ClNa3
Na + H2O2 = NaOH =>
2 Na + H2O2 = 2 NaOH
CH3OH + Cl2 = CH3Cl + OH =>
2 CH3OH + Cl2 = 2 CH3Cl + 2 OH
NaClO + C3H8O = H2O + CO2 + NaCl =>
9 NaClO + C3H8O = 4 H2O + 3 CO2 + 9 NaCl
AgI + CdSO4 = Ag2SO4 + CdI2 =>
2 AgI + CdSO4 = Ag2SO4 + CdI2
C3H6 + CuO = Cu + CO + H2O =>
C3H6 + 6 CuO = 6 Cu + 3 CO + 3 H2O
AgNO3(ac) + CaCO3(ac) = Ca(NO3)2(s) + Ag2CO3(ac) =>
2 AgNO3(ac) + CaCO3(ac) = Ca(NO3)2(s) + Ag2CO3(ac)
Cr + NaNO3 + NaOH = NaNO2 + Na2CrO4 + H2O =>
Cr + 3 NaNO3 + 2 NaOH = 3 NaNO2 + Na2CrO4 + H2O
I2 + HClO4 + H2O = HIO3 + HCl =>
4 I2 + 5 HClO4 + 4 H2O = 8 HIO3 + 5 HCl
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