| Équations équilibrées la veille | Équations équilibrées le lendemain |
B2S3 + 24 HNO3 = 2 B(OH)3 + 3 H2SO4 + 24 NO2 + 6 H2O
Be + HCl = BeCl2 + H2 =>
Be + 2 HCl = BeCl2 + H2
HCl + KO = Cl2 + KOH =>
2 HCl + 2 KO = Cl2 + 2 KOH
Mg + H3BO3 + C = MgB2 + H2O + CO =>
Mg + 2 H3BO3 + 3 C = MgB2 + 3 H2O + 3 CO
Be + HCl = BeCl2 + H2 =>
Be + 2 HCl = BeCl2 + H2
K2O + H2O + Mn2O7 = KOHHMnO4 =>
K2O + 2 H2O + Mn2O7 = 2 KOHHMnO4
Be + HCl = BeCl2 + H2 =>
Be + 2 HCl = BeCl2 + H2
B2O3 + KBF4 + H2SO4 = BF3 + KHSO4 + H2O =>
B2O3 + 6 KBF4 + 6 H2SO4 = 8 BF3 + 6 KHSO4 + 3 H2O
C8H9NO2 + CH3CH2I = C10H13NO2 + HI =>
C8H9NO2 + CH3CH2I = C10H13NO2 + HI
Be + HCl = BeCl2 + H2 =>
Be + 2 HCl = BeCl2 + H2
H2O + H2SO3 + Br2 = HBr + H2SO4 =>
H2O + H2SO3 + Br2 = 2 HBr + H2SO4
Ni(s) + MgBr2(aq) = NiBr2(aq) + NiMg(aq) =>
2 Ni(s) + MgBr2(aq) = NiBr2(aq) + NiMg(aq)
Ba(CH3CO2)2 + Na3PO4 = Ba3(PO4)2 + NaCH3CO2 =>
3 Ba(CH3CO2)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaCH3CO2
Ag(NO3) + BaCl = AgCl + Ba(NO3) =>
Ag(NO3) + BaCl = AgCl + Ba(NO3)
MgOHNH4SO4 = MgSO4NH3H2O =>
MgOHNH4SO4 = MgSO4NH3H2O
CuCl2 + AgNO3 = AgCl2 + CuNO3 =>
CuCl2 + AgNO3 = AgCl2 + CuNO3
Be + H2O = Be(OH)2 + H2 =>
Be + 2 H2O = Be(OH)2 + H2
CH3CH2CH2COOH + O2 = H2O + CO2 =>
CH3CH2CH2COOH + 5 O2 = 4 H2O + 4 CO2
Be + H2O = Be(OH)2 + H2 =>
Be + 2 H2O = Be(OH)2 + H2
NaHCO3(s) + H2SO4 = Na2SO4(aq) + CO2(g) + H2O(g) =>
2 NaHCO3(s) + H2SO4 = Na2SO4(aq) + 2 CO2(g) + 2 H2O(g)
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
Be + H2O = Be(OH)2 + H2 =>
Be + 2 H2O = Be(OH)2 + H2
SO3 + HCl = H2SO3 + Cl2 =>
SO3 + 2 HCl = H2SO3 + Cl2
Be + H2O = Be(OH)2 + H2 =>
Be + 2 H2O = Be(OH)2 + H2
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Be + H2O = Be(OH)2 + H2 =>
Be + 2 H2O = Be(OH)2 + H2
KO2 + CO2 = K2CO3 + O2 =>
4 KO2 + 2 CO2 = 2 K2CO3 + 3 O2
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
Be + O = BeO =>
Be + O = BeO
Mg(ClO4)2 + H2O = Mg(OH)2 + HClO4 =>
Mg(ClO4)2 + 2 H2O = Mg(OH)2 + 2 HClO4
Ba(OH)2 + Na2CO3 = Ba2(CO3)2 + NaOH =>
2 Ba(OH)2 + 2 Na2CO3 = Ba2(CO3)2 + 4 NaOH
SnCl4 = Sn + Cl =>
SnCl4 = Sn + 4 Cl
KHC4H4O6 + H2SO4 = C4H6O6 + K2SO4 =>
2 KHC4H4O6 + H2SO4 = 2 C4H6O6 + K2SO4
CoCl2 + KCNS = K2Co(CNS)4 + KCl =>
CoCl2 + 4 KCNS = K2Co(CNS)4 + 2 KCl
Be + O = BeO =>
Be + O = BeO
NaOH(aq) + SrCl2(aq) = NaCl(aq) + Sr(OH)2(aq)(s) =>
2 NaOH(aq) + SrCl2(aq) = 2 NaCl(aq) + Sr(OH)2(aq)(s)
Be + O = BeO =>
Be + O = BeO
HC1 + Na2S = H2S + NaC1 =>
2 HC1 + Na2S = H2S + 2 NaC1
Be + O = BeO =>
Be + O = BeO
Al(OH)3 + HF = AlF3 + H2O =>
Al(OH)3 + 3 HF = AlF3 + 3 H2O
Al + HCl = AlCl1 + H2 =>
2 Al + 2 HCl = 2 AlCl1 + H2
H2S + HBr2 = S + HBr =>
H2S + 2 HBr2 = S + 4 HBr
Be + O = BeO =>
Be + O = BeO
RbCl + O = RbClO =>
RbCl + O = RbClO
C8 = C6 =>
3 C8 = 4 C6
SO2 + Al = Al2S3 + Al2O3 =>
3 SO2 + 6 Al = Al2S3 + 2 Al2O3
Be + O = BeO =>
Be + O = BeO
CH2Cl2 + NaOH = NaCl + HCHO + H2O =>
CH2Cl2 + 2 NaOH = 2 NaCl + HCHO + H2O
MnO4 + H2SO3 = Mn{2+} + SO4{2-} + H2O + H{+} =>
MnO4 + 3 H2SO3 = Mn{2+} + 3 SO4{2-} + H2O + 4 H{+}
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/17/24
Équations équilibrées sur12/17/23
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