Équations équilibrées la veille |
3 Na + Ag3 = 3 NaAg
KMnO4 + HCl = MnCl2 + KCl + Cl2 + H2O =>
2 KMnO4 + 16 HCl = 2 MnCl2 + 2 KCl + 5 Cl2 + 8 H2O
MnO{4}{-} + Co = Co{3}{+} + MnO =>
3 MnO{4}{-} + 4 Co = 4 Co{3}{+} + 3 MnO
Al2(Cr2O7)3 + NaCl = AlCl3 + Na2Cr2O7 =>
Al2(Cr2O7)3 + 6 NaCl = 2 AlCl3 + 3 Na2Cr2O7
C5H12(a) + O2(g) = CO2(g) + H2O(l) =>
C5H12(a) + 8 O2(g) = 5 CO2(g) + 6 H2O(l)
Fe + Ni(NO3)2 = Fe(NO3)2 + Ni =>
Fe + Ni(NO3)2 = Fe(NO3)2 + Ni
Pb(OH)2 + Cl2 = PbO2 + H2O + PbCl2 =>
2 Pb(OH)2 + Cl2 = PbO2 + 2 H2O + PbCl2
Co(NO3)2(aq) + NaOH(aq) = NaNO3 + Co(OH)2 =>
Co(NO3)2(aq) + 2 NaOH(aq) = 2 NaNO3 + Co(OH)2
Na2CO3 + HS3 = NaS3 + H2O + CO2 =>
Na2CO3 + 2 HS3 = 2 NaS3 + H2O + CO2
NaCl + K2CO3 = KCl + Na2CO3 =>
2 NaCl + K2CO3 = 2 KCl + Na2CO3
Ba + FeCl2 = Fe + BaCl2 =>
Ba + FeCl2 = Fe + BaCl2
Cr2O7{-2} + H2O + VO{2+} = Cr{+3} + H{+} + VO3{-} =>
Cr2O7{-2} + 5 H2O + 6 VO{2+} = 2 Cr{+3} + 10 H{+} + 6 VO3{-}
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
Cu(II)(SO4)2 + Zn = Zn(SO4)2 + Cu(II) =>
Cu(II)(SO4)2 + Zn = Zn(SO4)2 + Cu(II)
Mg(CH3COO)2 + Ba(NO3)2 = Mg(NO3)2 + Ba(CH3COO)2 =>
Mg(CH3COO)2 + Ba(NO3)2 = Mg(NO3)2 + Ba(CH3COO)2
Co2 + KI = KCo2I =>
Co2 + KI = KCo2I
CH3CH2CH2COOH + H2O = CH4 + CO2 =>
2 CH3CH2CH2COOH + 2 H2O = 5 CH4 + 3 CO2
Mg(CH3COO)2 + Ba(NO3)2 = Mg(NO3)2 + Ba(CH3COO)2 =>
Mg(CH3COO)2 + Ba(NO3)2 = Mg(NO3)2 + Ba(CH3COO)2
Cu(s) + HCl(ac) = CuCl(ac) + H =>
Cu(s) + HCl(ac) = CuCl(ac) + H
Cr2O3 + SO3 = CrS + O =>
Cr2O3 + 2 SO3 = 2 CrS + 9 O
LiOH + Ni2O3 = LiNiO2 + H2O =>
2 LiOH + Ni2O3 = 2 LiNiO2 + H2O
C9H10 + O2 = CO2 + H2O =>
2 C9H10 + 23 O2 = 18 CO2 + 10 H2O
C4H9S + O2 = CO2 + SO2 + H2O =>
4 C4H9S + 29 O2 = 16 CO2 + 4 SO2 + 18 H2O
C17H21NO4 + O2 = CO2 + H2O + NH3 =>
2 C17H21NO4 + 39 O2 = 34 CO2 + 18 H2O + 2 NH3
Pb(C2H3O2)2 + KI = K(C2H3O2) + PbI2 =>
Pb(C2H3O2)2 + 2 KI = 2 K(C2H3O2) + PbI2
H2O + S4O = SO4H2 + H2 =>
15 H2O + S4O = 4 SO4H2 + 11 H2
Mg(CH3COO)2 + Ba(NO3)2 = Mg(NO3)2 + Ba(CH3COO)2 =>
Mg(CH3COO)2 + Ba(NO3)2 = Mg(NO3)2 + Ba(CH3COO)2
KCuCl = KClCu =>
KCuCl = KClCu
I2 + NH4OH = NH4I + NH3*NI3 + H2O =>
3 I2 + 5 NH4OH = 3 NH4I + NH3*NI3 + 5 H2O
Cu{+} + NO{-} = Cu + NO =>
Cu{+} + NO{-} = Cu + NO
KIO3 + Al + HCl = I2 + AlCl + KCl + H2O =>
2 KIO3 + 10 Al + 12 HCl = I2 + 10 AlCl + 2 KCl + 6 H2O
KHPO4 + NaOH = KNaPO4 + H2O =>
KHPO4 + NaOH = KNaPO4 + H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
BO + H = BH + H2O =>
BO + 3 H = BH + H2O
HNO3 + HF = NO3 + H2F =>
HNO3 + HF = NO3 + H2F
KOH*2H2O = H2O + KOH =>
KOH*2H2O = 2 H2O + KOH
N2 + CuCl2 = Cu3N2 + Cl2 =>
N2 + 3 CuCl2 = Cu3N2 + 3 Cl2
Mg(CH3COO)2 + Ba(NO3)2 = Mg(NO3)2 + Ba(CH3COO)2 =>
Mg(CH3COO)2 + Ba(NO3)2 = Mg(NO3)2 + Ba(CH3COO)2
Cd + HBr = BrCd + H =>
Cd + HBr = BrCd + H
Mg(CH3COO)2 + Ba(NO3)2 = Mg(NO3)2 + Ba(CH3COO)2 =>
Mg(CH3COO)2 + Ba(NO3)2 = Mg(NO3)2 + Ba(CH3COO)2
CH3OH + O2 = HCOOH + OH =>
2 CH3OH + 3 O2 = 2 HCOOH + 4 OH
C2H5OH + MnO4{-} + H{+} = C2H4O2 + Mn{+2} + H2O =>
5 C2H5OH + 4 MnO4{-} + 12 H{+} = 5 C2H4O2 + 4 Mn{+2} + 11 H2O
Ba(OH)2 + HClO2 = Ba(ClO2)2(aq) + H2O(l) =>
Ba(OH)2 + 2 HClO2 = Ba(ClO2)2(aq) + 2 H2O(l)
Mg(CH3COO)2 + Ba(NO3)2 = Mg(NO3)2 + Ba(CH3COO)2 =>
Mg(CH3COO)2 + Ba(NO3)2 = Mg(NO3)2 + Ba(CH3COO)2
NaNO2 + Al = Na2O + Al2O3 + N2 =>
2 NaNO2 + 2 Al = Na2O + Al2O3 + N2
AgClO3 + (NH4)2SO4 = Ag2SO4 + ClO3NH4 =>
2 AgClO3 + (NH4)2SO4 = Ag2SO4 + 2 ClO3NH4
HCl + Na = HNa2Cl =>
HCl + 2 Na = HNa2Cl
PhC2H5 + KMnO4 + H2SO4 = PhCO2H + CO2 + MnSO4 + K2SO4 + H2O =>
5 PhC2H5 + 12 KMnO4 + 18 H2SO4 = 5 PhCO2H + 5 CO2 + 12 MnSO4 + 6 K2SO4 + 28 H2O
K2Cr2O7(NH4)2SO4 = (NH4)2Cr2O7K2SO4 =>
K2Cr2O7(NH4)2SO4 = (NH4)2Cr2O7K2SO4
VCl2 + H2O = V(OH)2 + HCl =>
VCl2 + 2 H2O = V(OH)2 + 2 HCl
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