| Équations équilibrées la veille |
3 C5H10 + 4 K2Cr2O7 + 16 H2SO4 = 3 C5H10O4 + 16 H2O + 4 K2SO4 + 4 Cr2(SO4)3
CH4 + O2 = CO2 + H2O(unbalanced) =>
CH4 + 2 O2 = CO2 + 2 H2O(unbalanced)
C4H10O + Cl2 = C4H9Cl + OH =>
2 C4H10O + Cl2 = 2 C4H9Cl + 2 OH
N3H12PO4 + KOH = K3PO4 + NH4OH =>
N3H12PO4 + 3 KOH = K3PO4 + 3 NH4OH
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
K2CrO4 + K2S + H2O = S + K[Cr(OH)4] + KOH =>
2 K2CrO4 + 3 K2S + 8 H2O = 3 S + 2 K[Cr(OH)4] + 8 KOH
Cr(OH)3 + NaOH = [Cr(NaOH)6](OH)3 =>
Cr(OH)3 + 6 NaOH = [Cr(NaOH)6](OH)3
CoCl2(H2O)6 + NH4Cl + H2O2 + NH3 = [Co(NH3)5Cl]Cl2 + H2O =>
2 CoCl2(H2O)6 + 2 NH4Cl + H2O2 + 8 NH3 = 2[Co(NH3)5Cl]Cl2 + 14 H2O
H3PO4 + MgSO4 = Mg3(PO4)2 + H2SO4 =>
2 H3PO4 + 3 MgSO4 = Mg3(PO4)2 + 3 H2SO4
P2O5 + Li2O = Li3PO4 =>
P2O5 + 3 Li2O = 2 Li3PO4
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
Al(OH)3 + ZnCl2 = AlCl3 + Zn(OH)2 =>
2 Al(OH)3 + 3 ZnCl2 = 2 AlCl3 + 3 Zn(OH)2
Ba3P2 = Ba + P4 =>
2 Ba3P2 = 6 Ba + P4
N2O5 + CaO = Ca(NO3)2 =>
N2O5 + CaO = Ca(NO3)2
C2H5OH + NaOH = C2H5ONa + H2O =>
C2H5OH + NaOH = C2H5ONa + H2O
Cu(OH)2 + HCl = (CuOH)Cl + H2O =>
Cu(OH)2 + HCl = (CuOH)Cl + H2O
KOH + Na2Cr2O7 + HCl = K2Cr2O7 + H2O + NaCl =>
2 KOH + Na2Cr2O7 + 2 HCl = K2Cr2O7 + 2 H2O + 2 NaCl
C4H10O3C4H9NOH3N + C7H11O9P = C4H10O3C4H9NOH3NC7H11O9P =>
C4H10O3C4H9NOH3N + C7H11O9P = C4H10O3C4H9NOH3NC7H11O9P
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
OC2H2 + O2 = CO2 + H2O =>
OC2H2 + 2 O2 = 2 CO2 + H2O
Ca + H3P = H + PCa =>
Ca + H3P = 3 H + PCa
CuCrO4 + KI + H2SO4 = CuI + I2 + Cr2(SO4)3 + K2SO4 + H2O =>
2 CuCrO4 + 10 KI + 8 H2SO4 = 2 CuI + 4 I2 + Cr2(SO4)3 + 5 K2SO4 + 8 H2O
Si + Sn(OH)6{2-} = HSnO2{-} + SiO3{2-} + H2O =>
Si + 2 Sn(OH)6{2-} = 2 HSnO2{-} + SiO3{2-} + 5 H2O
NaOH + CaCO3 = NaHCO3 + CaO =>
NaOH + CaCO3 = NaHCO3 + CaO
Fe2 + F = Fe2F =>
Fe2 + F = Fe2F
K2SO4 + Pb(ClO4)2 = KClO4 + Pb(SO4) =>
K2SO4 + Pb(ClO4)2 = 2 KClO4 + Pb(SO4)
AsH3 + H2O + Cu2{+} = As + Cu + H3O{+} =>
AsH3 + 3 H2O + 3 Cu2{+} = As + 6 Cu + 3 H3O{+}
Al2(CO3)3 + CaBr2 = CaCO3 + AlBr3 =>
Al2(CO3)3 + 3 CaBr2 = 3 CaCO3 + 2 AlBr3
Cu(OH)2 + C6H12O = Cu2O + C6H12COOH + H2O =>
16 Cu(OH)2 + 7 C6H12O = 8 Cu2O + 6 C6H12COOH + 19 H2O
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
Al + MnO2 + H{+} = Mn + Al2{3+} + H2O =>
8 Al + 3 MnO2 + 12 H{+} = 3 Mn + 4 Al2{3+} + 6 H2O
CaCO3(s) + HCl(ac) = CaCl2(ac) + CO2(g) + H2O =>
CaCO3(s) + 2 HCl(ac) = CaCl2(ac) + CO2(g) + H2O
H2SeO4 + NaOH = NaHSeO4 + H2O =>
H2SeO4 + NaOH = NaHSeO4 + H2O
CH3COOH + CH3CH2CH(OH)CH3 = CH3COOCH3CH(CH3)CH2 + H2O =>
CH3COOH + CH3CH2CH(OH)CH3 = CH3COOCH3CH(CH3)CH2 + H2O
CuCl2 + BaCl2 + NaOH = Ba2Cu(OH)6 + NaCl =>
CuCl2 + 2 BaCl2 + 6 NaOH = Ba2Cu(OH)6 + 6 NaCl
(NH4)2C2O4 + HCl = H2C2O4 + NH4Cl =>
(NH4)2C2O4 + 2 HCl = H2C2O4 + 2 NH4Cl
(SiF6){2-} + OH{-} = (SiO3){2-} + F{-} + H2O =>
(SiF6){2-} + 6 OH{-} = (SiO3){2-} + 6 F{-} + 3 H2O
K2Cr2O7 + C + NaOH = KCrO2 + Na2CO3 + H2O =>
2 K2Cr2O7 + 3 C + 6 NaOH = 4 KCrO2 + 3 Na2CO3 + 3 H2O
C24H14 + ClO3{-} + H2O = HCO3{-} + H{+} + Cl{-} =>
3 C24H14 + 55 ClO3{-} + 51 H2O = 72 HCO3{-} + 72 H{+} + 55 Cl{-}
N2(g) + O2(g) = N2O5(aq) =>
2 N2(g) + 5 O2(g) = 2 N2O5(aq)
ClO3{-} + Fe{2+} + H{+} = Cl{-} + Fe{3+} + H2O =>
ClO3{-} + 6 Fe{2+} + 6 H{+} = Cl{-} + 6 Fe{3+} + 3 H2O
KMnO4 + H2SO4 + CH3CHO = K2SO4 + MnSO4 + CH3COO + H2O =>
6 KMnO4 + 9 H2SO4 + 10 CH3CHO = 3 K2SO4 + 6 MnSO4 + 10 CH3COO + 14 H2O
NaH2PO2 + KMnO4 + H2SO4 = NaH2PO4 + K2SO4 + MnSO4 + H2O =>
5 NaH2PO2 + 4 KMnO4 + 6 H2SO4 = 5 NaH2PO4 + 2 K2SO4 + 4 MnSO4 + 6 H2O
C19H40 + CuO = H2O + CO2 + Cu2 =>
C19H40 + 58 CuO = 20 H2O + 19 CO2 + 29 Cu2
Na2CO3(aq) + HCl(aq) = NaCl + CO2(g) + H2O(l) =>
Na2CO3(aq) + 2 HCl(aq) = 2 NaCl + CO2(g) + H2O(l)
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
CaF2 + I2 = CaI2 + F2 =>
CaF2 + I2 = CaI2 + F2
C2H3NaO2 + H2O = OH + C2H4NaO2 =>
C2H3NaO2 + H2O = OH + C2H4NaO2
HCHO2 + Ca(OH)2 = CaCO2 + H2O =>
HCHO2 + Ca(OH)2 = CaCO2 + 2 H2O
FeI2 + H2SO4 = Fe2(SO4)3 + SO2 + H2O + HI =>
2 FeI2 + 4 H2SO4 = Fe2(SO4)3 + SO2 + 2 H2O + 4 HI
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