| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Sr(NO3)2 + 2 H2SO4 = Sr2(SO4)2 + 4 HNO3
Cu2O + H2S = Cu2S + H2O =>
Cu2O + H2S = Cu2S + H2O
Sn + O2 = SnO2 =>
Sn + O2 = SnO2
MgO + Si = MgSiO =>
MgO + Si = MgSiO
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O(l) =>
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O(l)
KI + KIO3 + H2SO4 = I2 + KHSO4 + H2O =>
5 KI + KIO3 + 6 H2SO4 = 3 I2 + 6 KHSO4 + 3 H2O
MgCl2 + NaHCO3 = Mg2(OH)2CO3 + NaCl + H2O + CO2 =>
2 MgCl2 + 4 NaHCO3 = Mg2(OH)2CO3 + 4 NaCl + H2O + 3 CO2
H2C2O4(H2O)2 + K2Cr2O7 = KH2[Cr(C2O4)3] + H2O + CO2 =>
9 H2C2O4(H2O)2 + K2Cr2O7 = 2 KH2[Cr(C2O4)3] + 25 H2O + 6 CO2
Zn + NaNO2 + NaOH + H2O = Na2[Zn(OH)4] + HN3 =>
5 Zn + 3 NaNO2 + 7 NaOH + 7 H2O = 5 Na2[Zn(OH)4] + HN3
K + N + O2 = KNO3 =>
2 K + 2 N + 3 O2 = 2 KNO3
NaCl + O2 = Na2O + Cl2 =>
4 NaCl + O2 = 2 Na2O + 2 Cl2
K2S + NiBr2 = KBr + NiS =>
K2S + NiBr2 = 2 KBr + NiS
SiH4(g) + NH3(g) = Si3N4(s) + H2(g) =>
3 SiH4(g) + 4 NH3(g) = Si3N4(s) + 12 H2(g)
C4H12O6 + O2 = CO2 + H2O =>
C4H12O6 + 4 O2 = 4 CO2 + 6 H2O
Ca2 + Cl = CaCl2 =>
Ca2 + 4 Cl = 2 CaCl2
Ho(NO3)3*5H2O + HfCl4 = HoCl3 + Hf(NO3)4 + H2O =>
4 Ho(NO3)3*5H2O + 3 HfCl4 = 4 HoCl3 + 3 Hf(NO3)4 + 20 H2O
Na2SiO3 + CaCl2 = CaSiO3 + NaCl =>
Na2SiO3 + CaCl2 = CaSiO3 + 2 NaCl
HCOOH + C2H5OH = C2H5COO + H2O =>
10 HCOOH + 7 C2H5OH = 8 C2H5COO + 11 H2O
Ag + HS2S + O2 = Ag2S + H2O =>
24 Ag + 4 HS2S + O2 = 12 Ag2S + 2 H2O
NaHSO3 + H2SO4 = H2SO3 + NaHSO4 =>
NaHSO3 + H2SO4 = H2SO3 + NaHSO4
CuI = Cu + I2 =>
2 CuI = 2 Cu + I2
Fe + S + HCl = FeH + SCl =>
Fe + S + HCl = FeH + SCl
CuSO4(H2O)5 + NaHCO3 = Cu(OH)2CuCO3 + Na2SO4 + H2O + CO2 =>
2 CuSO4(H2O)5 + 4 NaHCO3 = Cu(OH)2CuCO3 + 2 Na2SO4 + 11 H2O + 3 CO2
Hg2(C2H3O2)2(ac) + KCl(ac) = Hg2Cl2(s) + KC2H3O2(ac) =>
Hg2(C2H3O2)2(ac) + 2 KCl(ac) = Hg2Cl2(s) + 2 KC2H3O2(ac)
NaCl + NaMnO4 + H2SO4 = Cl2 + MnSO4 + NaSO4 + H2O =>
2 NaCl + NaMnO4 + 4 H2SO4 = Cl2 + MnSO4 + 3 NaSO4 + 4 H2O
KI + Ba(NO3)2 = BaI2 + KNO3 =>
2 KI + Ba(NO3)2 = BaI2 + 2 KNO3
BaBr2 + Na2SO4 = BaSO4 + Na2Br2 =>
BaBr2 + Na2SO4 = BaSO4 + Na2Br2
NaOH + H3PO4 = H2O + Na3PO4 =>
3 NaOH + H3PO4 = 3 H2O + Na3PO4
AlI + Ni = Al + NiI =>
AlI + Ni = Al + NiI
Fe + H3PO4 = Fe(PO4)3 + H2 =>
2 Fe + 6 H3PO4 = 2 Fe(PO4)3 + 9 H2
Cu(NO3)2 + NaOH = Cu(OH)2 + (NaNO3) =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2(NaNO3)
H + NO3 = HNO3 =>
H + NO3 = HNO3
Mn + HNO3 = Mn(NO3)2 + NO2 + H2O =>
Mn + 4 HNO3 = Mn(NO3)2 + 2 NO2 + 2 H2O
Fe2(SO4)3 + KCNS = Fe(CNS)3 + K2SO4 =>
Fe2(SO4)3 + 6 KCNS = 2 Fe(CNS)3 + 3 K2SO4
HNO3 + MgO + BaCl2 = Ba(NO3)2 + H2O + MgCl2 =>
2 HNO3 + MgO + BaCl2 = Ba(NO3)2 + H2O + MgCl2
MnBr2 + H2O = HBr2 + Mn2O =>
2 MnBr2 + H2O = 2 HBr2 + Mn2O
CaCO3 + Al2O3 + Y2O3 + ZrO2 = Ca2YZr2Al3O12 + CO2 =>
4 CaCO3 + 3 Al2O3 + Y2O3 + 4 ZrO2 = 2 Ca2YZr2Al3O12 + 4 CO2
Pb(NO3)2(aq) + CuSO4(aq) = PbSO4() + Cu(NO3)2() =>
Pb(NO3)2(aq) + CuSO4(aq) = PbSO4() + Cu(NO3)2()
H2S + HNO3 = NH4 + S + H2O =>
9 H2S + 2 HNO3 = 2 NH4 + 9 S + 6 H2O
CO2 + H2 = CH3C00H + H2O =>
2 CO2 + 6 H2 = CH3C00H + 4 H2O
Sb + NaOH + H2O = NaSb(OH)4 + H2 =>
2 Sb + 2 NaOH + 6 H2O = 2 NaSb(OH)4 + 3 H2
N2H4 + CrO4{2-} + H2O = N2 + Cr(OH)4{-} + OH{-} =>
3 N2H4 + 4 CrO4{2-} + 4 H2O = 3 N2 + 4 Cr(OH)4{-} + 4 OH{-}
KMnO4 + CH2 + H2O = CH2(OH)CH2OH + KOH + MnO2 =>
2 KMnO4 + 6 CH2 + 4 H2O = 3 CH2(OH)CH2OH + 2 KOH + 2 MnO2
AgNO3 + KF = AgNO3KF =>
AgNO3 + KF = AgNO3KF
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Mg + ClH = ClMg + H =>
Mg + ClH = ClMg + H
Cr2(S)3 + Mn(NO3)2 + NaCO3 = NO + CO2 + Na2CrO4 + Na2MnO4 + Na2SO4 =>
Cr2(S)3 + 5 Mn(NO3)2 + 20 NaCO3 = 10 NO + 20 CO2 + 2 Na2CrO4 + 5 Na2MnO4 + 3 Na2SO4
HCOOH + KOH = KCOOH + HOH =>
HCOOH + KOH = KCOOH + HOH
Al(S) + S = Al2S3 =>
2 Al(S) + S = Al2S3
K2S + NiBr2 = KBr + NiS =>
K2S + NiBr2 = 2 KBr + NiS
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/12/25
Équations équilibrées sur02/11/24
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