Équations équilibrées la veille |
2 Na + H2 = 2 NaH
C2H6 + Cl2 = CCl2 + HCl =>
C2H6 + 5 Cl2 = 2 CCl2 + 6 HCl
Ba(CH3CO2)2 + Na2CO3 = BaCO3 + NaCH3CO2 =>
Ba(CH3CO2)2 + Na2CO3 = BaCO3 + 2 NaCH3CO2
Pb(NO3)2 + KOH = PbK2 + NO3OH =>
Pb(NO3)2 + 2 KOH = PbK2 + 2 NO3OH
(NH4)2Cr2O7 = Cr(OH)3 + N2 + H2O =>
(NH4)2Cr2O7 = 2 Cr(OH)3 + N2 + H2O
C14H12 + C3H6O2 = C14H12O + C3H6O =>
C14H12 + C3H6O2 = C14H12O + C3H6O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Sn + H3PO4 = H2 + Sn3(PO4)4 =>
3 Sn + 4 H3PO4 = 6 H2 + Sn3(PO4)4
(C20H41)2O + O2 = CO2 + H2O =>
(C20H41)2O + 60 O2 = 40 CO2 + 41 H2O
KCO + FeCl = FeCO + KCl =>
KCO + FeCl = FeCO + KCl
FeCl2 + Na3P = Fe3(P)2 + NaCl =>
3 FeCl2 + 2 Na3P = Fe3(P)2 + 6 NaCl
Zn + HBr2 = ZnBr2 + H2 =>
2 Zn + 2 HBr2 = 2 ZnBr2 + H2
HCl(aq)NH4OH(aq) = H2O(l)NH4Cl(aq) =>
HCl(aq)NH4OH(aq) = H2O(l)NH4Cl(aq)
CaCO3 + HCl = CaCl2 + Ca(HCO3)2 =>
2 CaCO3 + 2 HCl = CaCl2 + Ca(HCO3)2
HC3H5O3 + OH = H2O + C3H5O4 =>
HC3H5O3 + 3 OH = 2 H2O + C3H5O4
Na3PO4 + Ca2Cl2 = Ca3(PO4)2 + Na2Cl =>
4 Na3PO4 + 3 Ca2Cl2 = 2 Ca3(PO4)2 + 6 Na2Cl
H2O + KMnO4 + FeSO4 = FeOHSO4 + KOH + MnO2 =>
2 H2O + KMnO4 + 3 FeSO4 = 3 FeOHSO4 + KOH + MnO2
NaCr2O7 + SO2 + H2O = Na2SO3 + Cr2O7 + H =>
2 NaCr2O7 + SO2 + H2O = Na2SO3 + 2 Cr2O7 + 2 H
H2S + AgSO4 = AgS + H2SO4 =>
H2S + AgSO4 = AgS + H2SO4
K2Cr2O7 + HI + HClO4 = Cr(ClO4)3 + K(ClO4) + I + H2O =>
K2Cr2O7 + 6 HI + 8 HClO4 = 2 Cr(ClO4)3 + 2 K(ClO4) + 6 I + 7 H2O
CH4HNO3 = CH3NO2H2O =>
CH4HNO3 = CH3NO2H2O
Al(s) + Br2(g) = AlBr3(s) =>
2 Al(s) + 3 Br2(g) = 2 AlBr3(s)
HC3H5O3 + OH = H2O + C3H5O4 =>
HC3H5O3 + 3 OH = 2 H2O + C3H5O4
K2Cr2O7 + HI + HClO4 = Cr(ClO4)3 + K(ClO4) + I + H2O =>
K2Cr2O7 + 6 HI + 8 HClO4 = 2 Cr(ClO4)3 + 2 K(ClO4) + 6 I + 7 H2O
Al + FeS = Fe + AlS =>
Al + FeS = Fe + AlS
H2S + AgSO4 = AgS + H2SO4 =>
H2S + AgSO4 = AgS + H2SO4
Al + FeS = Fe + AlS =>
Al + FeS = Fe + AlS
CuSO4*5H2O + H2O = CuSO4*12H2O =>
CuSO4*5H2O + 7 H2O = CuSO4*12H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
FeCl3KOH = FeOHKCl3 =>
FeCl3KOH = FeOHKCl3
Ag2CO3 = Ag + CO3 =>
Ag2CO3 = 2 Ag + CO3
Na3PO4 + Cu(NO3)2 = Cu3(PO4)2 + NaNO3 =>
2 Na3PO4 + 3 Cu(NO3)2 = Cu3(PO4)2 + 6 NaNO3
HCHO + KMnO4 = HCOOH + HCOOK + MnO2 + H2O =>
3 HCHO + 2 KMnO4 = HCOOH + 2 HCOOK + 2 MnO2 + H2O
Mg + AuNO3 = Mg(NO3)2 + Au =>
Mg + 2 AuNO3 = Mg(NO3)2 + 2 Au
CuSO4(s) + H2O(g) = CuSO4*5H2O(s) =>
CuSO4(s) + 5 H2O(g) = CuSO4*5H2O(s)
Ga(OH)3 + KF = KOH + GaF3 =>
Ga(OH)3 + 3 KF = 3 KOH + GaF3
C2H5OH + PCl3 = C2H5Cl + H3PO3 =>
3 C2H5OH + PCl3 = 3 C2H5Cl + H3PO3
OO4 = O =>
OO4 = 5 O
C12H22O11 + HNO3 = C2H2O4 + NO2 + H2O =>
C12H22O11 + 36 HNO3 = 6 C2H2O4 + 36 NO2 + 23 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
N2H4(g) + H2O2(g) = N2(g) + H2O(g) =>
N2H4(g) + 2 H2O2(g) = N2(g) + 4 H2O(g)
C6H5NO2 + SnCl2 + HCl = C6H5NH2 + SnCl4 + H2O =>
C6H5NO2 + 3 SnCl2 + 6 HCl = C6H5NH2 + 3 SnCl4 + 2 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
CaCO3 + HCl = CaCl2 + Ca(HCO3)2 =>
2 CaCO3 + 2 HCl = CaCl2 + Ca(HCO3)2
CuSO4*5H2O + H2O = CuSO4*12H2O =>
CuSO4*5H2O + 7 H2O = CuSO4*12H2O
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
sodium + water = sodiumhydroxide + hydrogen =>
2 Na + 2 H2O = 2 NaOH + H2
S8Ag16 = Ag2S =>
S8Ag16 = 8 Ag2S
O2 + FeF3 = F2 + Fe2O3 =>
3 O2 + 4 FeF3 = 6 F2 + 2 Fe2O3
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
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