Équations équilibrées la veille |
2 AsH3 = 2 As + 3 H2
HI + KHSO3 = H + KI + SO3 =>
HI + KHSO3 = 2 H + KI + SO3
As(s) + H2(g) = AsH3 =>
2 As(s) + 3 H2(g) = 2 AsH3
ZnSO2 = ZnO + SO =>
ZnSO2 = ZnO + SO
(NH4)2SO4 + K2O2H2 = NH3 + K2SO4 + H2O =>
(NH4)2SO4 + K2O2H2 = 2 NH3 + K2SO4 + 2 H2O
H3C6H5O7 + NaHCO3 = H2O + CO3 + Na3C6H5O7 =>
4 H3C6H5O7 + 15 NaHCO3 = 11 H2O + 9 CO3 + 5 Na3C6H5O7
NH3*H2O + HCl = NH4Cl + H2O =>
NH3*H2O + HCl = NH4Cl + H2O
Al2(SO4)3 + H2O = Al(OH)3 + H2SO4 =>
Al2(SO4)3 + 6 H2O = 2 Al(OH)3 + 3 H2SO4
ZnSO2 = ZnO + SO =>
ZnSO2 = ZnO + SO
Fe(NO3)3 + KI = FeI3 + KNO3 =>
Fe(NO3)3 + 3 KI = FeI3 + 3 KNO3
C3H8O + K2Cr2O7 + H2SO4 = C3H6O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C3H8O + 2 K2Cr2O7 + 8 H2SO4 = 3 C3H6O2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
P2H4 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + P + H2O =>
5 P2H4 + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 10 P + 16 H2O
CH3COOHHOH = CH3COOH3O =>
CH3COOHHOH = CH3COOH3O
HClO3 + Mg(OH)2 = MgCl2 + H2O + HO4 =>
14 HClO3 + 7 Mg(OH)2 = 7 MgCl2 + 8 H2O + 12 HO4
H2SiF6 + NH4OH = NH4F + SiO2 + H2O =>
H2SiF6 + 6 NH4OH = 6 NH4F + SiO2 + 4 H2O
ZnO + SO3 = ZnSO4 =>
ZnO + SO3 = ZnSO4
Cr(OH)3 + HNO3 = Cr(NO3)3 + H2O =>
Cr(OH)3 + 3 HNO3 = Cr(NO3)3 + 3 H2O
CrBr3 + Cs(OH) + I2 = Cs2CrO4 + CsBrO4 + CsI + H2O =>
2 CrBr3 + 64 Cs(OH) + 27 I2 = 2 Cs2CrO4 + 6 CsBrO4 + 54 CsI + 32 H2O
C8H6O4 + C6H8N2 = C14H10O2N2 + H2O =>
C8H6O4 + C6H8N2 = C14H10O2N2 + 2 H2O
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
CrCl2 + HCl + O2 = CrCl3 + H2O =>
4 CrCl2 + 4 HCl + O2 = 4 CrCl3 + 2 H2O
Bi(OH)3 + Na2S2O8 + NaOH = NaBiO3 + H2O + Na2SO4 =>
Bi(OH)3 + Na2S2O8 + 3 NaOH = NaBiO3 + 3 H2O + 2 Na2SO4
PbCl2 + CO + H2O = CO2 + Pb + HCl =>
PbCl2 + CO + H2O = CO2 + Pb + 2 HCl
Na2CO3 + Ca(OH)2 = CaCO3 + NaOH =>
Na2CO3 + Ca(OH)2 = CaCO3 + 2 NaOH
Cu2O + Fe = Cu + Fe2O3 =>
3 Cu2O + 2 Fe = 6 Cu + Fe2O3
NH4HCO3 = NH3CO2H2O =>
NH4HCO3 = NH3CO2H2O
Cr(NO3)3 + CrCl2 = CrCl3 + Cr(NO3)2 =>
2 Cr(NO3)3 + 3 CrCl2 = 2 CrCl3 + 3 Cr(NO3)2
C4H10 + Br2 = C4H7Br2 + HBr =>
2 C4H10 + 5 Br2 = 2 C4H7Br2 + 6 HBr
CH3OH = CO + H2 =>
CH3OH = CO + 2 H2
Al + NaOH = AlNaO + H2 =>
2 Al + 2 NaOH = 2 AlNaO + H2
HNO3 + Ca(OH)2 = H2O + HNO3CaO =>
HNO3 + Ca(OH)2 = H2O + HNO3CaO
Sb(OH)3 + OH = Sb(OH)4 =>
Sb(OH)3 + OH = Sb(OH)4
NH4NO3 + Ca(OH)2 = Ca(NO3)2 + NH3 + H2O =>
2 NH4NO3 + Ca(OH)2 = Ca(NO3)2 + 2 NH3 + 2 H2O
Fe2O3 + CO = Fe3O4 + CO2 =>
3 Fe2O3 + CO = 2 Fe3O4 + CO2
CH3Cl + Cl2 = CH2Cl2 + HCl =>
CH3Cl + Cl2 = CH2Cl2 + HCl
Na2CrO4 = Na2Cr2O7 + Na2O =>
2 Na2CrO4 = Na2Cr2O7 + Na2O
NH3*H2O + HCl = NH4Cl + H2O =>
NH3*H2O + HCl = NH4Cl + H2O
Ge + S = GeS =>
Ge + S = GeS
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
NaF + SiF4 = Na2SiF6 =>
2 NaF + SiF4 = Na2SiF6
Cu2S + O2 = Cu + SO2 =>
Cu2S + O2 = 2 Cu + SO2
HCOOH + Al = (HCOO)3Al + H2 =>
6 HCOOH + 2 Al = 2(HCOO)3Al + 3 H2
Rb + O2 = Rb2O5 =>
4 Rb + 5 O2 = 2 Rb2O5
Na2S(ac) + CuSO4(ac) = Na2SO4(ac) + CuS(s) =>
Na2S(ac) + CuSO4(ac) = Na2SO4(ac) + CuS(s)
BeONaOH = Be(OH)NaO =>
BeONaOH = Be(OH)NaO
SiO2Mg2Si = MgOSi =>
SiO2Mg2Si = 2 MgOSi
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
NaNo3 + KMnO4 + H2SO4 = No2 + K2SO4 + Na2SO4 + MnSO4 + H2O =>
10 NaNo3 + 2 KMnO4 + 8 H2SO4 = 15 No2 + K2SO4 + 5 Na2SO4 + 2 MnSO4 + 8 H2O
Sr3(AsO4)2 = Sr + AsO4 =>
Sr3(AsO4)2 = 3 Sr + 2 AsO4
Pb(NO3)2 + Zn(SO4) = Pb(SO4) + Zn(NO3)2 =>
Pb(NO3)2 + Zn(SO4) = Pb(SO4) + Zn(NO3)2
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