Équations équilibrées la veille |
2 NaCI + 2 H2O = 2 NaOH + H2 + 2 CI
CH2CHCHCH2 + KMnO4 + H2SO4 = HOOCCH3COOH + H2O + MnSO4 + K2SO4 =>
3 CH2CHCHCH2 + 6 KMnO4 + 9 H2SO4 = 4 HOOCCH3COOH + 8 H2O + 6 MnSO4 + 3 K2SO4
Na + HOH = NaOH + H2 =>
2 Na + 2 HOH = 2 NaOH + H2
Rb + ZnSO4 = Rb2SO4 + Zn =>
2 Rb + ZnSO4 = Rb2SO4 + Zn
Fe2O3(s) + Al(s) = Fe(l) + Al2O3(s) =>
Fe2O3(s) + 2 Al(s) = 2 Fe(l) + Al2O3(s)
KI + H2SO4 = KHSO4 + I2 + H2O + S =>
6 KI + 7 H2SO4 = 6 KHSO4 + 3 I2 + 4 H2O + S
Cu(NO3)2 + Fe2(SO4)3 = Cu(SO4)3 + Fe2(NO3)2 =>
Cu(NO3)2 + Fe2(SO4)3 = Cu(SO4)3 + Fe2(NO3)2
CuNO3 + NH4OH = NH4NO3 + CuOH =>
CuNO3 + NH4OH = NH4NO3 + CuOH
C6H14 + C7H8 = C13H22 =>
C6H14 + C7H8 = C13H22
FeSO4 + CO3 = Fe(CO3)2 + SO4 =>
FeSO4 + 2 CO3 = Fe(CO3)2 + SO4
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
HCl(aq) + NH4HCO3(aq) = NH4Cl + H2O + CO2 =>
HCl(aq) + NH4HCO3(aq) = NH4Cl + H2O + CO2
H2SO4 + Au(OH)3 = Au2(SO4)3 + H2O =>
3 H2SO4 + 2 Au(OH)3 = Au2(SO4)3 + 6 H2O
K2SO4 + Al(NO3)3 = Al2(SO4)3 + KNO3 =>
3 K2SO4 + 2 Al(NO3)3 = Al2(SO4)3 + 6 KNO3
FeCl3(aq) + NaOH(aq) = Fe(OH)3(s) + NaCl(aq) =>
FeCl3(aq) + 3 NaOH(aq) = Fe(OH)3(s) + 3 NaCl(aq)
K2SiO3 + H2S = K2S + H2SiO3 =>
K2SiO3 + H2S = K2S + H2SiO3
Al(s) + ZnBr2(aq) = AlBr3(aq) + Zn(s) =>
2 Al(s) + 3 ZnBr2(aq) = 2 AlBr3(aq) + 3 Zn(s)
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
MnO2 + KClO3 + KOH = K2MnO4 + KCl + H2O =>
3 MnO2 + KClO3 + 6 KOH = 3 K2MnO4 + KCl + 3 H2O
NH3(g) + CO2 = CO(NH2)2(s) + H2O =>
2 NH3(g) + CO2 = CO(NH2)2(s) + H2O
Ni2O3 + Fe + H2O = Ni(OH)2 + Fe(OH)2 =>
Ni2O3 + Fe + 3 H2O = 2 Ni(OH)2 + Fe(OH)2
HCOOH + H2O = H3O + COOH =>
HCOOH + H2O = H3O + COOH
Sn + HgN = N + HgSn =>
Sn + HgN = N + HgSn
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
Co2 + Ca(OH)2 = CaCo3 + OH =>
3 Co2 + 2 Ca(OH)2 = 2 CaCo3 + 4 OH
Me + O2 = Me2O2 =>
2 Me + O2 = Me2O2
Pb(s) + HgBr2(ac) = PbBr2(s) + Hg(s) =>
Pb(s) + HgBr2(ac) = PbBr2(s) + Hg(s)
Na2SO3 + Cl2 + NaOH = Na2SO4 + H2O + NaCl =>
Na2SO3 + Cl2 + 2 NaOH = Na2SO4 + H2O + 2 NaCl
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Ni + HCl = NiCl2 + H2 =>
Ni + 2 HCl = NiCl2 + H2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ca(OH)2 + Al + H2O = Ca3(Al(OH)6)2 + H2 =>
3 Ca(OH)2 + 2 Al + 6 H2O = Ca3(Al(OH)6)2 + 3 H2
HMnO4 = H + Mn + O4 =>
HMnO4 = H + Mn + O4
Ba + Co2 = BaCo4 =>
Ba + 2 Co2 = BaCo4
Al2O3 + HI = AlI3 + H2O =>
Al2O3 + 6 HI = 2 AlI3 + 3 H2O
HClO4 + KCH3COO = KClO4 + CH3COOH =>
HClO4 + KCH3COO = KClO4 + CH3COOH
ZnS + Mg3(AsO4)2 = Zn3(AsO4)2 + MgS =>
3 ZnS + Mg3(AsO4)2 = Zn3(AsO4)2 + 3 MgS
As203 + Zn + H2SO4 = AsH3 + ZnSO4 =>
2 As203 + 609 Zn + 609 H2SO4 = 406 AsH3 + 609 ZnSO4
K2S2O8 = K + S2O8 =>
K2S2O8 = 2 K + S2O8
Ag2SO4 = Ag + O2 + SO3 =>
2 Ag2SO4 = 4 Ag + O2 + 2 SO3
K2Sn(OH)4 + KOH + Bi(NO3)3 = K2Sn(OH)6 + Bi + KNO3 =>
3 K2Sn(OH)4 + 6 KOH + 2 Bi(NO3)3 = 3 K2Sn(OH)6 + 2 Bi + 6 KNO3
NaNO2 = N + Na + O =>
NaNO2 = N + Na + 2 O
AgNO3(qc) + KCl(qc) = AgCl + KNO3 =>
AgNO3(qc) + KCl(qc) = AgCl + KNO3
CaCO3(s) + HCl(aq) = CaCl2(aq) + CCl4(aq) + H2O(l) =>
CaCO3(s) + 6 HCl(aq) = CaCl2(aq) + CCl4(aq) + 3 H2O(l)
FeS + H2CO3 = H2S + Fe(HCO3)2 =>
FeS + 2 H2CO3 = H2S + Fe(HCO3)2
KCr2O7 + HBr = KBr + CrBr3 + Br2 + H2O =>
2 KCr2O7 + 28 HBr = 2 KBr + 4 CrBr3 + 7 Br2 + 14 H2O
C6H5CHCH2 + KMnO4 + H2SO4 = C6H5COOH + K2SO4 + MnSO4 + H2O =>
7 C6H5CHCH2 + 8 KMnO4 + 12 H2SO4 = 8 C6H5COOH + 4 K2SO4 + 8 MnSO4 + 16 H2O
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