Équations équilibrées la veille |
Na + K = NaK
H2 + Rb = HRb =>
H2 + 2 Rb = 2 HRb
I{-} + NO3{-} + H3O{+} = I2 + NO + H2O =>
6 I{-} + 2 NO3{-} + 8 H3O{+} = 3 I2 + 2 NO + 12 H2O
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
ZnCl2 + Mn2O3 + NH3 + H2O = Zn + MnO2 + NH4Cl =>
ZnCl2 + Mn2O3 + 2 NH3 + H2O = Zn + 2 MnO2 + 2 NH4Cl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2CO3 + Cl = NaCl + NaCO3 =>
Na2CO3 + Cl = NaCl + NaCO3
HNO2H2O = H3ONO2 =>
HNO2H2O = H3ONO2
KCl(s) + H2O(l) = KOH(aq) + HCl(aq) =>
KCl(s) + H2O(l) = KOH(aq) + HCl(aq)
K + CuOH = Cu + KOH =>
K + CuOH = Cu + KOH
CaH2 + HN = HH + CaN =>
2 CaH2 + 2 HN = 3 HH + 2 CaN
HNO3(aq) + NaOH = NaNO3(aq) + H2O(l) =>
HNO3(aq) + NaOH = NaNO3(aq) + H2O(l)
H(C2H3O2)Na(HCO3) = Na(C2H3O2)H2OCO2 =>
H(C2H3O2)Na(HCO3) = Na(C2H3O2)H2OCO2
Na2SO3 + NaClO = Na2SO4 + NaCl =>
Na2SO3 + NaClO = Na2SO4 + NaCl
Zn(OH)2 + KOH = K2[Zn(OH)4] =>
Zn(OH)2 + 2 KOH = K2[Zn(OH)4]
Zn + BaCl = Ba + ZnCl =>
Zn + BaCl = Ba + ZnCl
Cr2O7{-2} + C2H2O4 + H{+} = Cr{+3} + CO2 + H2O =>
Cr2O7{-2} + 3 C2H2O4 + 8 H{+} = 2 Cr{+3} + 6 CO2 + 7 H2O
KMnO4 + Na2SO3 + H2SO4 = MnSO4 + K2SO4 + H2O + Na2SO4 =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 3 H2O + 5 Na2SO4
CH3NH2 + HBr = CH3Br + NH3 =>
CH3NH2 + HBr = CH3Br + NH3
H2SO3 + AlCl3 = Al2SO3 + HCl3 =>
H2SO3 + 2 AlCl3 = Al2SO3 + 2 HCl3
HO2CCO2HNaOH = NaHO2CCO2H2O =>
HO2CCO2HNaOH = NaHO2CCO2H2O
Cu(OH)2 + NaOH = Na2[Cu(OH)4] =>
Cu(OH)2 + 2 NaOH = Na2[Cu(OH)4]
CH3NH2 + HBr = Br + CH3NH4 =>
CH3NH2 + 2 HBr = 2 Br + CH3NH4
ZnCl + H = Zn + HCl =>
ZnCl + H = Zn + HCl
K2ZnO2 + HNO3 = Zn(NO3)2 + K2O + H2O =>
K2ZnO2 + 2 HNO3 = Zn(NO3)2 + K2O + H2O
Cr(OH)2 + CO2 = (CrOH)2CO3 + H2O =>
2 Cr(OH)2 + CO2 = (CrOH)2CO3 + H2O
H2SO4 + CuO = CuSO4 + H2O =>
H2SO4 + CuO = CuSO4 + H2O
CH3CH2COH2CH2CH3 = CH3CH2CCH2CH3 + H2O =>
CH3CH2COH2CH2CH3 = CH3CH2CCH2CH3 + H2O
Pb(OH)4 + H2TeO2 = Pb(OH)2TeO2 + H2O =>
Pb(OH)4 + H2TeO2 = Pb(OH)2TeO2 + 2 H2O
HNO3 + Ag2 = AgNO3 + H2 =>
2 HNO3 + Ag2 = 2 AgNO3 + H2
FeCuS2 + HNO3 = Fe2(SO4)3 + CuSO4 + Cu(NO3)2 + NO + H2O =>
6 FeCuS2 + 40 HNO3 = 3 Fe2(SO4)3 + 3 CuSO4 + 3 Cu(NO3)2 + 34 NO + 20 H2O
He2O2 = HeO =>
He2O2 = 2 HeO
Ag + Cu = AgCu =>
Ag + Cu = AgCu
PbCO3 + H2SO4 = PbSO4 + H2O + CO2 =>
PbCO3 + H2SO4 = PbSO4 + H2O + CO2
Hg(OH)2 = Hg + O2 + H2O =>
2 Hg(OH)2 = 2 Hg + O2 + 2 H2O
MgBr2 + AgNO3 = Mg(NO3)2 + AgBr =>
MgBr2 + 2 AgNO3 = Mg(NO3)2 + 2 AgBr
H3CNO2 + H2 = H5CN + H2O =>
H3CNO2 + 3 H2 = H5CN + 2 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
SrCl2(aq) + KIO3(aq) = Sr(IO3)2(aq) + KCl(aq) =>
SrCl2(aq) + 2 KIO3(aq) = Sr(IO3)2(aq) + 2 KCl(aq)
C2H6 + O2 = CO2 + H20(water) =>
10 C2H6 + 20 O2 = 20 CO2 + 3 H20(water)
Hg + FeCl3 = HgCl + Fe =>
3 Hg + FeCl3 = 3 HgCl + Fe
CH3NH2 + CH3COOH = CH3NHCOCH3 + H2O =>
CH3NH2 + CH3COOH = CH3NHCOCH3 + H2O
CaO + Li = Li2O + Ca =>
CaO + 2 Li = Li2O + Ca
C2H5NO2 + NaOH = CH2(NH2)COONa + H2O =>
C2H5NO2 + NaOH = CH2(NH2)COONa + H2O
CuO + NO3 = Cu(NO3)2 + O2 =>
2 CuO + 4 NO3 = 2 Cu(NO3)2 + O2
CO2 + H2SO4 = H2CO3 + SO3 =>
CO2 + H2SO4 = H2CO3 + SO3
Pb(OH)2 + Na2O = Na2PbO2 + H2O =>
Pb(OH)2 + Na2O = Na2PbO2 + H2O
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
SnCl4 + H2O = Sn(OH)4 + HCl =>
SnCl4 + 4 H2O = Sn(OH)4 + 4 HCl
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
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