| Équations équilibrées la veille |
3 NaHCO3 + 5 HC2HO2 = 3 NaC2H3O + 7 CO2 + 2 H2O
K2Cr2O7 + H2SO4 + Na2S = Cr2(SO4)3 + H2O + K2SO4 + Na2SO4 =>
4 K2Cr2O7 + 16 H2SO4 + 3 Na2S = 4 Cr2(SO4)3 + 16 H2O + 4 K2SO4 + 3 Na2SO4
H2TiO2Cl4 + NaOH + H2O2 = Na4TiO8 + NaCl + H2O =>
H2TiO2Cl4 + 8 NaOH + 3 H2O2 = Na4TiO8 + 4 NaCl + 8 H2O
Mg(s) + NH3(g) = H2(g) + MgN2(s) =>
Mg(s) + 2 NH3(g) = 3 H2(g) + MgN2(s)
K2Co3 + Na2SO4 = K2SO4 + Na2Co3 =>
K2Co3 + Na2SO4 = K2SO4 + Na2Co3
CuCl2 + Na2CO3 = CuCO3 + NaCl =>
CuCl2 + Na2CO3 = CuCO3 + 2 NaCl
Mg(CO3)2 + NaOH = Mg(OH)2 + NaCO3 =>
Mg(CO3)2 + 2 NaOH = Mg(OH)2 + 2 NaCO3
K + NaOH = NaKO + H2 =>
2 K + 2 NaOH = 2 NaKO + H2
F2(g) + H2O(l) = HF(aq) + O3(g) =>
3 F2(g) + 3 H2O(l) = 6 HF(aq) + O3(g)
Co2O3 = Co + O =>
Co2O3 = 2 Co + 3 O
CH3COOH + AgNO3 = AgCH3COO + HNO3 =>
CH3COOH + AgNO3 = AgCH3COO + HNO3
Mg(a) + Cu(NO3)2 = Mg(NO3)2 + Cu =>
Mg(a) + Cu(NO3)2 = Mg(NO3)2 + Cu
CH3CH2MgBr + H2O = CH3CH3 + MgBrOH =>
CH3CH2MgBr + H2O = CH3CH3 + MgBrOH
Na2S2O3 + CuSO4 + H2SO4 = Na3[Cu(SO3)2] + Na2S4O6 + H2O =>
16 Na2S2O3 + 6 CuSO4 + 2 H2SO4 = 6 Na3[Cu(SO3)2] + 7 Na2S4O6 + 2 H2O
KOH + HCl = KH + H2O + Cl =>
KOH + 2 HCl = KH + H2O + 2 Cl
C6H5N + O2 = CO2 + H2O + N2 =>
4 C6H5N + 29 O2 = 24 CO2 + 10 H2O + 2 N2
SrCl + NaSO3 = SrSO3 + NaCl =>
SrCl + NaSO3 = SrSO3 + NaCl
KClO3 + S + KOH = KCl + K2SO3 + H2O =>
2 KClO3 + 3 S + 6 KOH = 2 KCl + 3 K2SO3 + 3 H2O
CuSO4 + Ag = Ag(SO4) + Cu =>
CuSO4 + Ag = Ag(SO4) + Cu
NaH2PO4 + NaOH = Na2HPO4 + H2O =>
NaH2PO4 + NaOH = Na2HPO4 + H2O
(K)(Cl)(O3) = (K)(Cl) + O2 =>
2(K)(Cl)(O3) = 2(K)(Cl) + 3 O2
C6H13NH2 + H2O = H3O + C6H13NH =>
C6H13NH2 + H2O = H3O + C6H13NH
SO3{2-} + Cr2O7{2-} + H{+} = Cr3{+} + SO4{2-} + H2O =>
17 SO3{2-} + 3 Cr2O7{2-} + 8 H{+} = 2 Cr3{+} + 17 SO4{2-} + 4 H2O
FeOO2 = FeO3 =>
FeOO2 = FeO3
Tl{+} = Tl + Tl{3+} =>
3 Tl{+} = 2 Tl + Tl{3+}
Fe(s) + H{+}(aq) = Fe{2+} + H2 =>
Fe(s) + 2 H{+}(aq) = Fe{2+} + H2
NaBrH2SO4 = HBrNaHSO4 =>
NaBrH2SO4 = HBrNaHSO4
HBr(aq) + NaOH = H2O(l) + NaBr(aq) =>
HBr(aq) + NaOH = H2O(l) + NaBr(aq)
C2H2(l) + Cl2(l) = C2H2Cl4(g) =>
C2H2(l) + 2 Cl2(l) = C2H2Cl4(g)
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
HPbO2 + Si = SiO3 + Pb + H2O =>
2 HPbO2 + Si = SiO3 + 2 Pb + H2O
CaS + H2O2 = CaSO2 + H2O =>
CaS + 2 H2O2 = CaSO2 + 2 H2O
Na2Co3 + CaCl2 = CaCo3 + NaCl =>
Na2Co3 + CaCl2 = CaCo3 + 2 NaCl
Fe2Cl3 + O2 = FeO3 + Cl2 =>
2 Fe2Cl3 + 6 O2 = 4 FeO3 + 3 Cl2
PH3 + KMnO4 + H2SO4 = KHSO4 + MnSO4 + P4 + H2O =>
20 PH3 + 12 KMnO4 + 24 H2SO4 = 12 KHSO4 + 12 MnSO4 + 5 P4 + 48 H2O
C4H5N30 + O2 = CO2 + N3 + H2O =>
4 C4H5N30 + 21 O2 = 16 CO2 + 40 N3 + 10 H2O
NH3 + HOH = NH4OH = NH4 + OH =>
NH3 + HOH = NH4OH
N3H = N2 + H2 =>
2 N3H = 3 N2 + H2
AlBr3 + AgNO3 = Al(NO3)3 + Ag3Br3 =>
AlBr3 + 3 AgNO3 = Al(NO3)3 + Ag3Br3
HOCH2CH2OH + O2 = CO2 + H2O =>
2 HOCH2CH2OH + 5 O2 = 4 CO2 + 6 H2O
Sr(OH)2(s) + NH4Cl(s) = SrCl2(aq) + NH3(g) + H2O(l) =>
Sr(OH)2(s) + 2 NH4Cl(s) = SrCl2(aq) + 2 NH3(g) + 2 H2O(l)
NaOH + (NH4)3PO4 = Na3PO4 + H2ONH3 =>
3 NaOH + (NH4)3PO4 = Na3PO4 + 3 H2ONH3
H2O(l) = HOH =>
H2O(l) = HOH
Ag + SO2 + O2 = Ag2SO3 =>
4 Ag + 2 SO2 + O2 = 2 Ag2SO3
Li + O2 = LiO2 =>
Li + O2 = LiO2
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Er(NO3)3*5H2O + Ga(NO3)2 + CH4N2O = ErGaO3 + CO2 + H2O + N2 =>
2 Er(NO3)3*5H2O + 2 Ga(NO3)2 + 8 CH4N2O = 2 ErGaO3 + 8 CO2 + 26 H2O + 13 N2
KBr + NaOH = Br2 + KOH + Na =>
2 KBr + 2 NaOH = Br2 + 2 KOH + 2 Na
Al + H2O = Al(OH)2 + H2 =>
Al + 2 H2O = Al(OH)2 + H2
NO + K2Cr2O7 + H2SO4 = HNO3 + KHSO4 + Cr2(SO4)3 + H2O =>
2 NO + K2Cr2O7 + 5 H2SO4 = 2 HNO3 + 2 KHSO4 + Cr2(SO4)3 + 3 H2O
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