| Équations équilibrées la veille |
3 C02 = 2 C03
NH2CH2COOH + O2 = CO2 + NO2 + H2O =>
4 NH2CH2COOH + 13 O2 = 8 CO2 + 4 NO2 + 10 H2O
Al(NO3)3(aq) + NaOH(aq) = Al(OH)3 + NaNO3 =>
Al(NO3)3(aq) + 3 NaOH(aq) = Al(OH)3 + 3 NaNO3
SeO3 + CaCO3 = CaSeO4 + CO2 =>
SeO3 + CaCO3 = CaSeO4 + CO2
CrI3 + NaOH + Cl2 = NaIO3 + Na2CrO4 + NaCl + H2O =>
2 CrI3 + 52 NaOH + 21 Cl2 = 6 NaIO3 + 2 Na2CrO4 + 42 NaCl + 26 H2O
NaCl + HNO3 = HClO4 + NO2 + NaNO3 + H2O =>
NaCl + 9 HNO3 = HClO4 + 8 NO2 + NaNO3 + 4 H2O
Li + HNO3 + BaCl2 = LiCl + Ba(NO3)2 + H2 =>
2 Li + 2 HNO3 + BaCl2 = 2 LiCl + Ba(NO3)2 + H2
CsOH + CH3COOH = CsCH3COO + H2O =>
CsOH + CH3COOH = CsCH3COO + H2O
Zn2 + Cl + NaOH = Zn(OH)2 + NaCl =>
Zn2 + 4 Cl + 4 NaOH = 2 Zn(OH)2 + 4 NaCl
C2H4Cl2 + KOH = C2H2 + KCl + H2O =>
C2H4Cl2 + 2 KOH = C2H2 + 2 KCl + 2 H2O
C3H5 + KMnO4 + H2SO4 = H4C2O2 + K2SO4 + MnSO4 + H2O =>
2 C3H5 + 2 KMnO4 + 3 H2SO4 = 3 H4C2O2 + K2SO4 + 2 MnSO4 + 2 H2O
NH3(aq) + O2(g) = N2O4(g) + H2O(g) =>
4 NH3(aq) + 7 O2(g) = 2 N2O4(g) + 6 H2O(g)
CH3CCH + HBr = CH3CHCHBr =>
CH3CCH + HBr = CH3CHCHBr
HI + CH3COOH = CH3COOI + H2 =>
HI + CH3COOH = CH3COOI + H2
NaH2O = NaOHH =>
NaH2O = NaOHH
H2(g) + C(g) + N2(g) + O2(g) = C6H3N3O6(l) =>
3 H2(g) + 12 C(g) + 3 N2(g) + 6 O2(g) = 2 C6H3N3O6(l)
H2N{-}(R){-}NH2 + HCl = NH3{-}(R){-}NH3 + Cl =>
H2N{-}(R){-}NH2 + HCl = NH3{-}(R){-}NH3 + Cl
Na2CO3(aq) + NiCl2(aq) = NaCl(aq) + NiCO3(s) =>
Na2CO3(aq) + NiCl2(aq) = 2 NaCl(aq) + NiCO3(s)
Ca3(PO4)2 + Ca(OH)2 = Ca5(PO4)3(OH) =>
3 Ca3(PO4)2 + Ca(OH)2 = 2 Ca5(PO4)3(OH)
PbSO4 + Na2CrO4 = Pb(CrO4) + Na2SO4 =>
PbSO4 + Na2CrO4 = Pb(CrO4) + Na2SO4
S(g) + HNO3(g) = H2SO4(g) + NO2(g) + H2O(g) =>
S(g) + 6 HNO3(g) = H2SO4(g) + 6 NO2(g) + 2 H2O(g)
K2CO3(aq) + HCl(aq) = H2O(l) + CO2(g) + KCl(aq) =>
K2CO3(aq) + 2 HCl(aq) = H2O(l) + CO2(g) + 2 KCl(aq)
FeS2 = FeS + S2 =>
2 FeS2 = 2 FeS + S2
H2 + SrOH = Sr + H2O =>
H2 + 2 SrOH = 2 Sr + 2 H2O
PbHPO4 + NH4OH = PbOH + NH4HPO4 =>
PbHPO4 + NH4OH = PbOH + NH4HPO4
H2O2 + F2 = HF + OF2 =>
H2O2 + 3 F2 = 2 HF + 2 OF2
HClO4 + HCl = Cl2 + H2O =>
HClO4 + 7 HCl = 4 Cl2 + 4 H2O
KCN(aq) + HCl(aq) = KCl(aq) + HCN(at) =>
KCN(aq) + HCl(aq) = KCl(aq) + HCN(at)
AlO + KOH = KO + AlOH =>
AlO + KOH = KO + AlOH
Ca(OH)2 + HI = CaI + H(OH)2 =>
Ca(OH)2 + HI = CaI + H(OH)2
Ba(OH)2(H2)8O8(s) + NH4SCN(s) = Ba(SCN)2(s) + H2O(l) + NH3(g) =>
Ba(OH)2(H2)8O8(s) + 2 NH4SCN(s) = Ba(SCN)2(s) + 10 H2O(l) + 2 NH3(g)
KCl(ac) + AgNO3(ac) + NH4OH(ac) = AgCl(s) + KOH(ac) + NH4NO3(ac) =>
KCl(ac) + AgNO3(ac) + NH4OH(ac) = AgCl(s) + KOH(ac) + NH4NO3(ac)
P2O5 + O2 = P2O7 =>
P2O5 + O2 = P2O7
BaCl2 + CaSiO3 = BaSiO3 + CaCl2 =>
BaCl2 + CaSiO3 = BaSiO3 + CaCl2
S + NaOH = Na2SO3 + Na2S + H2O =>
3 S + 6 NaOH = Na2SO3 + 2 Na2S + 3 H2O
SnO + H2SO4 = (SnSO4)2 + H2O =>
2 SnO + 2 H2SO4 = (SnSO4)2 + 2 H2O
Rb + S8 = Rb2S =>
16 Rb + S8 = 8 Rb2S
Cu{-} + H{+} = Cu{2+} + H2{2-} =>
4 Cu{-} + 6 H{+} = 4 Cu{2+} + 3 H2{2-}
KOH(aq) + H3AsO4(aq) = K2HAsO4(aq) + H2O(l) =>
2 KOH(aq) + H3AsO4(aq) = K2HAsO4(aq) + 2 H2O(l)
H2O2 = H2 + O20 =>
10 H2O2 = 10 H2 + O20
Na2CO3(s) + HCL(aq) = NaCL(aq) + CO2(g) + H2O(i) =>
Na2CO3(s) + 2 HCL(aq) = 2 NaCL(aq) + CO2(g) + H2O(i)
(Na)2C2O4 + KMnO4 + H2SO4 = K2SO4 + (Na)2SO4 + H2O + MnSO4 + CO2 =>
5(Na)2C2O4 + 2 KMnO4 + 8 H2SO4 = K2SO4 + 5(Na)2SO4 + 8 H2O + 2 MnSO4 + 10 CO2
P + HNO3 = H3PO4 + NO2 + HOH =>
P + 5 HNO3 = H3PO4 + 5 NO2 + HOH
PbCO3(s) + HCl(aq) = PbCl2(aq) + CO2(g) + H2O(l) =>
PbCO3(s) + 2 HCl(aq) = PbCl2(aq) + CO2(g) + H2O(l)
CaOH + H2S = CaHS + H2O =>
CaOH + H2S = CaHS + H2O
CuO(s) + H2SO4(aq) = CuSO4(aq) + H2O(l) =>
CuO(s) + H2SO4(aq) = CuSO4(aq) + H2O(l)
FeO(l)Mg(l) = Fe(l)MgO(s) =>
FeO(l)Mg(l) = Fe(l)MgO(s)
Na2SiO3(aq) + HF(aq) = H2SiO3(aq) + NaF(aq) =>
Na2SiO3(aq) + 2 HF(aq) = H2SiO3(aq) + 2 NaF(aq)
CH3CH2Br + HNO3 = CH3CH2OH + NO2Br =>
CH3CH2Br + HNO3 = CH3CH2OH + NO2Br
I2 + CO2 = I2O5 + CO =>
I2 + 5 CO2 = I2O5 + 5 CO
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