| Équations équilibrées la veille |
2 NaCl + 2 H(OH) = 2 Na(OH) + H2 + Cl2
K2Cr2O7 + H2SO4 + H3CH2OH = Cr2(SO4)3 + H2O + CH3CHO + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 2 H3CH2OH = Cr2(SO4)3 + 8 H2O + CH3CHO + K2SO4
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
(NH4)2SO4(aq) + Ca(OH)2 = CaSO4(s) + NH3(g) + H2O(l) =>
(NH4)2SO4(aq) + Ca(OH)2 = CaSO4(s) + 2 NH3(g) + 2 H2O(l)
KMnO4 + C7H9 + H2SO4 = K2SO4 + MnSO4 + CO2 + H2O =>
74 KMnO4 + 10 C7H9 + 111 H2SO4 = 37 K2SO4 + 74 MnSO4 + 70 CO2 + 156 H2O
CrO3 + Fe(OH)2 = FeCrO4 + H2O =>
CrO3 + Fe(OH)2 = FeCrO4 + H2O
H3PO4 + LiCl = LiPO4 + H3Cl =>
H3PO4 + LiCl = LiPO4 + H3Cl
Ag3PO4 + HCl = AgCl + H3PO4 =>
Ag3PO4 + 3 HCl = 3 AgCl + H3PO4
K2SO4 + HNO3 = H2SO4 + KNO3 =>
K2SO4 + 2 HNO3 = H2SO4 + 2 KNO3
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
CuCl2 + HCHO + NaOH = CuOH + HCOONa + H2O + NaCl =>
2 CuCl2 + HCHO + 5 NaOH = 2 CuOH + HCOONa + 2 H2O + 4 NaCl
CsO + TiO2 = CsTiO3 =>
CsO + TiO2 = CsTiO3
BF3 = B + F2 =>
2 BF3 = 2 B + 3 F2
C2 + N2 = C2N =>
2 C2 + N2 = 2 C2N
CuBr2 + KI = Cu + KBr + I2 =>
CuBr2 + 2 KI = Cu + 2 KBr + I2
Cu(NO3)2(aq) + H2SO4(aq) = CuSO4(aq) + HNO3(aq) =>
Cu(NO3)2(aq) + H2SO4(aq) = CuSO4(aq) + 2 HNO3(aq)
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
SnSO4 + NaOH = (SnOH)2SO4 + Na2SO4 =>
2 SnSO4 + 2 NaOH = (SnOH)2SO4 + Na2SO4
NO2 + HOCl + H2O = NO3{-} + Cl{-} + H{+} =>
2 NO2 + HOCl + H2O = 2 NO3{-} + Cl{-} + 3 H{+}
La + HNO3 = La(NO3)3 + H2 =>
2 La + 6 HNO3 = 2 La(NO3)3 + 3 H2
OH{-}(aq) + ClO3{-}(aq) + Fe(OH)3(s) = FeO4{-2}(aq) + Cl{-}(aq) + H2O(l) =>
4 OH{-}(aq) + ClO3{-}(aq) + 2 Fe(OH)3(s) = 2 FeO4{-2}(aq) + Cl{-}(aq) + 5 H2O(l)
NaCl(s) + H2SO4 = HCl(g) + Na2SO4(s) =>
2 NaCl(s) + H2SO4 = 2 HCl(g) + Na2SO4(s)
CaC2 + HCl = CaCl2 + C2H2 =>
CaC2 + 2 HCl = CaCl2 + C2H2
LiCl + Br = LiBr + Cl =>
LiCl + Br = LiBr + Cl
CH3CH2OH + O2(g) = H2O(l) + CH3COOH(aq) =>
CH3CH2OH + O2(g) = H2O(l) + CH3COOH(aq)
CuSeO3 = CuSe + O3 =>
CuSeO3 = CuSe + O3
K2Cr2O7 + H2S + HNO3 = Cr(NO3)3 + S + KNO3 + H2O =>
K2Cr2O7 + 3 H2S + 8 HNO3 = 2 Cr(NO3)3 + 3 S + 2 KNO3 + 7 H2O
CuO + Pb = Cu + PbO =>
CuO + Pb = Cu + PbO
C7H5NaO3 + HCl = C7H6O3 + NaCl =>
C7H5NaO3 + HCl = C7H6O3 + NaCl
Hg2O3 = Hg + O =>
Hg2O3 = 2 Hg + 3 O
U + Te = U10Te18 =>
10 U + 18 Te = U10Te18
Pt(s) + MnBr2(aq) = Br + MnPt =>
Pt(s) + MnBr2(aq) = 2 Br + MnPt
HgCl2 + C2O4{-2} = Cl{-} + CO2 + Hg2Cl2 =>
2 HgCl2 + C2O4{-2} = 2 Cl{-} + 2 CO2 + Hg2Cl2
S + LiClO3 = LiCl + S4O10 =>
12 S + 10 LiClO3 = 10 LiCl + 3 S4O10
C7H3O2 + O2 = CO2 + H2O =>
4 C7H3O2 + 27 O2 = 28 CO2 + 6 H2O
V2O5 + HNO3 = HVO3 + N2O5 =>
V2O5 + 2 HNO3 = 2 HVO3 + N2O5
C8H5KO4(aq) + NaOH(aq) = C8H4KO4Na(aq) + H2O =>
C8H5KO4(aq) + NaOH(aq) = C8H4KO4Na(aq) + H2O
KHCO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g) =>
KHCO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g)
NaNO2 + KI + CH3COOH = I2 + NO + CH3COONa + CH3COOK + H2O =>
2 NaNO2 + 2 KI + 4 CH3COOH = I2 + 2 NO + 2 CH3COONa + 2 CH3COOK + 2 H2O
Fe(C2H3O2)2 + Al = Al(C2H3O2)3 + Fe =>
3 Fe(C2H3O2)2 + 2 Al = 2 Al(C2H3O2)3 + 3 Fe
C + Cl2 + F2 = CCl3F =>
2 C + 3 Cl2 + F2 = 2 CCl3F
Na3CrO3 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O =>
2 Na3CrO3 + 6 H2SO4 = 3 Na2SO4 + Cr2(SO4)3 + 6 H2O
Fe(OH)2 + C = Fe + CO + H2O =>
Fe(OH)2 + C = Fe + CO + H2O
Ag2S(s) + O2(g) = Ag(s) + SO2(g) =>
Ag2S(s) + O2(g) = 2 Ag(s) + SO2(g)
PH3 + BCl3 = PCl3 + BH3 =>
PH3 + BCl3 = PCl3 + BH3
Fe(OH)3(heat) = Fe + OH =>
Fe(OH)3(heat) = Fe + 3 OH
NiSO4 + Ca(OH)2 + H2O = Ni(OH)2 + CaSO4*2H2O =>
NiSO4 + Ca(OH)2 + 2 H2O = Ni(OH)2 + CaSO4*2H2O
Ag2O2 + HCl = AgCl + H2O2 =>
Ag2O2 + 2 HCl = 2 AgCl + H2O2
CaBr2 + AgNO3 = AgBr + Ca(NO3)2 =>
CaBr2 + 2 AgNO3 = 2 AgBr + Ca(NO3)2
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Équations équilibrées sur10/27/24
Équations équilibrées sur11/26/23
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