Équations équilibrées la veille |
2 KI + Na2SO3 = K2SO3 + 2 NaI
AgNO3 + C = Ag2O + NO2 + CO2 =>
4 AgNO3 + C = 2 Ag2O + 4 NO2 + CO2
Na2Cr2O7 + NH3H2O = Cr(OH)3 + NaOH + N2H2O =>
Na2Cr2O7 + 2 NH3H2O = 2 Cr(OH)3 + 2 NaOH + N2H2O
N2 + LiH = Li3N + NH3 =>
N2 + 3 LiH = Li3N + NH3
SF4 + F2 = SF6 =>
SF4 + F2 = SF6
Cu + AgF = CuF2 + Ag =>
Cu + 2 AgF = CuF2 + 2 Ag
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CH2O + O2 = CO2 + H2O =>
CH2O + O2 = CO2 + H2O
PbOC = PbCO =>
PbOC = PbCO
Ca(CHO3)2 + Ca(OH)2 = CaCO3 + H2O =>
Ca(CHO3)2 + Ca(OH)2 = 2 CaCO3 + 2 H2O
BaCO3 + HCl = BaCl2 + CO2 + H2O =>
BaCO3 + 2 HCl = BaCl2 + CO2 + H2O
H{+} + CrO4{2-} + NO2{-} = Cr{3+} + H2O + NO3{-} =>
10 H{+} + 2 CrO4{2-} + 3 NO2{-} = 2 Cr{3+} + 5 H2O + 3 NO3{-}
ZnCl2 + Na3PO4 = NaCl + Zn3(PO4)2 =>
3 ZnCl2 + 2 Na3PO4 = 6 NaCl + Zn3(PO4)2
OH{-} + Sr{2+} = Sr(OH)2 =>
2 OH{-} + Sr{2+} = Sr(OH)2
KMnO4 + H2SO4 + CH3C2HOH = K2SO4 + MnSO4 + CH3COOH + H2O =>
6 KMnO4 + 9 H2SO4 + 10 CH3C2HOH = 3 K2SO4 + 6 MnSO4 + 15 CH3COOH + 4 H2O
K2O3 + Cl2 + C = KCl3 + CO =>
K2O3 + 3 Cl2 + 3 C = 2 KCl3 + 3 CO
[Co(H2O)] + NaNO2 + CH3COOH = [Co(NO2)6] + N2O + CH3COONa + H2O =>
2[Co(H2O)] + 18 NaNO2 + 18 CH3COOH = 2[Co(NO2)6] + 3 N2O + 18 CH3COONa + 11 H2O
C2O4H2 + NaOH = C2O4Na2 + H2O =>
C2O4H2 + 2 NaOH = C2O4Na2 + 2 H2O
C2H6O + CH3COOH = C4H8O2 + H2O =>
C2H6O + CH3COOH = C4H8O2 + H2O
K2Cr2O7 + Na2S + H2O = KOH + Cr(OH)3 + Na2SO4 =>
4 K2Cr2O7 + 3 Na2S + 16 H2O = 8 KOH + 8 Cr(OH)3 + 3 Na2SO4
Ag(NH3)2{+} + Cl{-} + HNO3 = AgCl + NH4NO3 =>
Ag(NH3)2{+} + Cl{-} + 2 HNO3 = AgCl + 2 NH4NO3
Al3(s) + CuCl = Cu(s) + AlCl(s) =>
Al3(s) + 3 CuCl = 3 Cu(s) + 3 AlCl(s)
I{-} + IO3{-} + H{+} = I2(s) + H2O =>
5 I{-} + IO3{-} + 6 H{+} = 3 I2(s) + 3 H2O
Ca + O2 = CaO = Co2 =>
2 Ca + O2 = 2 CaO
NH4Cl + NaOH = NaClNH4OH =>
NH4Cl + NaOH = NaClNH4OH
KMnO4 + C2H6O2 + KOH = K2MnO4 + CO2 + H2O =>
10 KMnO4 + C2H6O2 + 10 KOH = 10 K2MnO4 + 2 CO2 + 8 H2O
I2 + Cl2 + H2O = HCl + HIO3 =>
I2 + 5 Cl2 + 6 H2O = 10 HCl + 2 HIO3
CH3COONa + KHSO4 = NaHSO4 + CH3COOK =>
CH3COONa + KHSO4 = NaHSO4 + CH3COOK
KMnO4 + Mg = Mn3O4 + K2O + MgO =>
6 KMnO4 + 13 Mg = 2 Mn3O4 + 3 K2O + 13 MgO
C5H8 + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
10 C5H8 + 16 KMnO4 + 24 H2SO4 = 25 CH3COOH + 8 K2SO4 + 16 MnSO4 + 14 H2O
Na2CO3 + H3PO4 = Na3PO4 + H2O + CO2 =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 H2O + 3 CO2
C5H8 + KMnO4 + H2SO4 = C5H8O4 + K2SO4 + MnSO4 + H2O =>
5 C5H8 + 8 KMnO4 + 12 H2SO4 = 5 C5H8O4 + 4 K2SO4 + 8 MnSO4 + 12 H2O
Ca3(PO4)2 + HNO3 = Ca(NO3)2 + H6(PO4)2 =>
Ca3(PO4)2 + 6 HNO3 = 3 Ca(NO3)2 + H6(PO4)2
VO4 + Ca = CaVO4 =>
VO4 + Ca = CaVO4
CH3OH + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
CH3OH + K2Cr2O7 + 4 H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + 6 H2O
Pb(ClO4)2 + Na2S = PbS + Na2(ClO4)2 =>
Pb(ClO4)2 + Na2S = PbS + Na2(ClO4)2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
H2 + HCl = H3Cl =>
H2 + HCl = H3Cl
O2 + HClO4 + Cr(OH)2 = Cr(ClO4)3 + H2O =>
O2 + 12 HClO4 + 4 Cr(OH)2 = 4 Cr(ClO4)3 + 10 H2O
As4O6 + NaOH = NaAsO2 + H2O =>
As4O6 + 4 NaOH = 4 NaAsO2 + 2 H2O
HCl + Mg(NO3)2 = H2(NO3)2 + MgCl2 =>
2 HCl + Mg(NO3)2 = H2(NO3)2 + MgCl2
KF + CaI2 = KI + CaF2 =>
2 KF + CaI2 = 2 KI + CaF2
KOH + HNO3 = H2K + NO4 =>
KOH + HNO3 = H2K + NO4
Ca(s) + Au(NO3)3(aq) = Ca(NO3)2(aq) + Au(s) =>
3 Ca(s) + 2 Au(NO3)3(aq) = 3 Ca(NO3)2(aq) + 2 Au(s)
NH4Cl(l) + NaOH(l) = NH3(l) + H2O(l) + NaCl(l) =>
NH4Cl(l) + NaOH(l) = NH3(l) + H2O(l) + NaCl(l)
Pb(s) + H2SO4(aq) = Pb(HSO4)2(s) + SO2 + H2O(l) =>
Pb(s) + 3 H2SO4(aq) = Pb(HSO4)2(s) + SO2 + 2 H2O(l)
CrOH + H2O2 = Cr2O3 + H2O =>
2 CrOH + 2 H2O2 = Cr2O3 + 3 H2O
(NH4)2CO3(aq) + H3PO4(aq) = (NH4)3PO4(aq) + H2O(aq) + CO2(l) =>
3(NH4)2CO3(aq) + 2 H3PO4(aq) = 2(NH4)3PO4(aq) + 3 H2O(aq) + 3 CO2(l)
Fe(NO3)3 + KCrO4 = Fe(CrO4)3 + K(NO3) =>
Fe(NO3)3 + 3 KCrO4 = Fe(CrO4)3 + 3 K(NO3)
UO2(NO3)2*6H2O = U3O8 + NO + O2 + H2O =>
3 UO2(NO3)2*6H2O = U3O8 + 6 NO + 5 O2 + 18 H2O
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