| Équations équilibrées la veille |
H2 + SO4 = H2O + SO3
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
HBr(aq) + K2CO3(s) = KBr + CO2 + H2O =>
2 HBr(aq) + K2CO3(s) = 2 KBr + CO2 + H2O
Be + B = Be5B2 =>
5 Be + 2 B = Be5B2
MgCl2Ba(OH)2 = BaCl2Mg(OH)2 =>
MgCl2Ba(OH)2 = BaCl2Mg(OH)2
Cu(OH)2 + Br2 = CuBrO4 + CuBr2 + H2O =>
8 Cu(OH)2 + 7 Br2 = 2 CuBrO4 + 6 CuBr2 + 8 H2O
Br2 + NH4F = NH4 + Br2F =>
Br2 + NH4F = NH4 + Br2F
NaHCO3 + CH3CH(OH)COOH = CH3CHOHCOONa + CO2 + H2O =>
NaHCO3 + CH3CH(OH)COOH = CH3CHOHCOONa + CO2 + H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CaCl2 = Ca + Cl2 =>
CaCl2 = Ca + Cl2
Zn(NO3)3 + H2S = Zn2S3 + HNO3 =>
2 Zn(NO3)3 + 3 H2S = Zn2S3 + 6 HNO3
C6H5NO2 + Zn + NaOH + H2O = C6H5NH2 + Na2[Zn(OH)4] =>
C6H5NO2 + 3 Zn + 6 NaOH + 4 H2O = C6H5NH2 + 3 Na2[Zn(OH)4]
HNO3 + K = KNO3 + NO + H2O =>
4 HNO3 + 3 K = 3 KNO3 + NO + 2 H2O
CuSO4(aq) + NaHCO3(aq) = CuCO3 + CO2 + H2O + Na2SO4 =>
CuSO4(aq) + 2 NaHCO3(aq) = CuCO3 + CO2 + H2O + Na2SO4
Zn2 = Zn0 =>
Zn2 = 2 Zn0
KOH + CaS = K2S + Ca(OH)2 =>
2 KOH + CaS = K2S + Ca(OH)2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
N2H2(CH3)2 + O2 = H2O + N2 + CO2 =>
N2H2(CH3)2 + 4 O2 = 4 H2O + N2 + 2 CO2
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
Al + NaOH + H2O = NaAl(OH)46 + H2 =>
2 Al + 2 NaOH + 90 H2O = 2 NaAl(OH)46 + 45 H2
CaCl2 + AgNO3 = AgCl + Ca(NO3)2 =>
CaCl2 + 2 AgNO3 = 2 AgCl + Ca(NO3)2
Ba3(PO4)2 + HNO3 = Ba(NO3)2 + H3PO4 =>
Ba3(PO4)2 + 6 HNO3 = 3 Ba(NO3)2 + 2 H3PO4
NaOH + CuNO = NaNO + CuOH =>
NaOH + CuNO = NaNO + CuOH
Be4 = Be5 =>
5 Be4 = 4 Be5
H2O2 + KI + HCI = I + KCI + H2O =>
H2O2 + 2 KI + 2 HCI = 2 I + 2 KCI + 2 H2O
K2[PtCl6] + N2H6Cl2 = K2[PtCl4] + N2 + HCl =>
2 K2[PtCl6] + N2H6Cl2 = 2 K2[PtCl4] + N2 + 6 HCl
C4H9COOH + C5H11OH = C4H9COOC5H11 + H2O =>
C4H9COOH + C5H11OH = C4H9COOC5H11 + H2O
FeCl3 + Pt = PtCl + Fe =>
FeCl3 + 3 Pt = 3 PtCl + Fe
CuO + Si = Cu + SiO2 =>
2 CuO + Si = 2 Cu + SiO2
SO2 + NaYO3 + H2O = Y2 + H2SO4 + Na2SO4 =>
5 SO2 + 2 NaYO3 + 4 H2O = Y2 + 4 H2SO4 + Na2SO4
Zn(NO3)3 + H2S = Zn2S3 + HNO3 =>
2 Zn(NO3)3 + 3 H2S = Zn2S3 + 6 HNO3
NOSbCl6 + H2O = NO + HNO3 + Sb2O5 + HCl =>
6 NOSbCl6 + 19 H2O = 4 NO + 2 HNO3 + 3 Sb2O5 + 36 HCl
CO3 + AgNO3 = NO3 + Ag(CO3) =>
CO3 + AgNO3 = NO3 + Ag(CO3)
CaCl2 + P = Ca + PCl5 =>
5 CaCl2 + 2 P = 5 Ca + 2 PCl5
CuSO4 + Zn(NO3)2 = CuNO3 + Zn(SO4)2 =>
2 CuSO4 + Zn(NO3)2 = 2 CuNO3 + Zn(SO4)2
Hg(NO3)2 = HgO + NO2 + O2 =>
2 Hg(NO3)2 = 2 HgO + 4 NO2 + O2
Ca(OH)2(s) = CaO(s) + H2O =>
Ca(OH)2(s) = CaO(s) + H2O
Mn2{+2} + BiO3{-} + H{+} = MnO4 + Bi{+3} + H2O =>
Mn2{+2} + 7 BiO3{-} + 26 H{+} = 2 MnO4 + 7 Bi{+3} + 13 H2O
CuO + Cl = CuCl + O =>
CuO + Cl = CuCl + O
Rh + HCl + HNO3 = H2O + H2RhCl6 + NO2 =>
Rh + 6 HCl + 4 HNO3 = 4 H2O + H2RhCl6 + 4 NO2
I + Cr2O72 = IO3 + Cr3 =>
72 I + 3 Cr2O72 = 72 IO3 + 2 Cr3
Na3Po4 + CaO = Ca3(Po4)2 + Na2O =>
2 Na3Po4 + 3 CaO = Ca3(Po4)2 + 3 Na2O
N3OH3 + O2 = NO2 + H3O =>
N3OH3 + 3 O2 = 3 NO2 + H3O
KCl + Hg = K2Hg + Cl2 =>
2 KCl + Hg = K2Hg + Cl2
CaCO3 + SO4 = O2 + CaSO4 + CO2 =>
2 CaCO3 + 2 SO4 = O2 + 2 CaSO4 + 2 CO2
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
PCl3 + (CH3)2NH3 = P(NH2)3 + HCl + CH3 =>
PCl3 + 3(CH3)2NH3 = P(NH2)3 + 3 HCl + 6 CH3
CrCl3 + Na(OH) = NaCl + Cr(OH)3 =>
CrCl3 + 3 Na(OH) = 3 NaCl + Cr(OH)3
SiO2 + Al2O3 = SiAl2O5 =>
SiO2 + Al2O3 = SiAl2O5
Hg2CO3 + AlCl3 = Hg2Cl2 + Al2(CO3)3 =>
3 Hg2CO3 + 2 AlCl3 = 3 Hg2Cl2 + Al2(CO3)3
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