Équations équilibrées la veille |
7 K2O + I2O7 = 2 K7I + 7 O2
NaHCO3 + HCOOH = HCOONa + CO2 + H2O =>
NaHCO3 + HCOOH = HCOONa + CO2 + H2O
CH4 + O2 = H2O(q) + CO2 =>
CH4 + 2 O2 = 2 H2O(q) + CO2
NiO + Cr(MnO4)3 = Cr2O3 + Ni(MnO4)2 =>
3 NiO + 2 Cr(MnO4)3 = Cr2O3 + 3 Ni(MnO4)2
C8H9NO2 + CH3NH2 = C10H15N + NH3 + OH =>
2 C8H9NO2 + 14 CH3NH2 = 3 C10H15N + 13 NH3 + 4 OH
Cr + Co3 = CrCo3 =>
Cr + Co3 = CrCo3
Ba(OH)2*8H2O(s) + NH4NO3(s) = Ba(NO3)2(s) + NH3(g) + H2O =>
Ba(OH)2*8H2O(s) + 2 NH4NO3(s) = Ba(NO3)2(s) + 2 NH3(g) + 10 H2O
Na2HPO3 + AgNO3 + H2O = Ag + H3PO4 + NaNO3 =>
Na2HPO3 + 2 AgNO3 + H2O = 2 Ag + H3PO4 + 2 NaNO3
KMnO4 + Na2SO3 + H2SO3 = Na2SO4 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 2 Na2SO3 + 3 H2SO3 = 2 Na2SO4 + K2SO4 + 2 MnSO4 + 3 H2O
C7H7NO2 + H2SO4 + KMnO4 = K2SO4 + MnSO4 + C7H5NO4 + H2O =>
5 C7H7NO2 + 9 H2SO4 + 6 KMnO4 = 3 K2SO4 + 6 MnSO4 + 5 C7H5NO4 + 14 H2O
Fe2O3 + CH3COOH = Fe(CH3COO)3 + H2O =>
Fe2O3 + 6 CH3COOH = 2 Fe(CH3COO)3 + 3 H2O
K1 + Al3Cl3 = Al + K1Cl1 =>
3 K1 + Al3Cl3 = 3 Al + 3 K1Cl1
Sn(Cl)2 + Fe2(SO4)3 = SnSO4 + FeCl3 =>
3 Sn(Cl)2 + Fe2(SO4)3 = 3 SnSO4 + 2 FeCl3
C7H5BrO2 + CH3NaO = C8H8O3 + NaBr =>
C7H5BrO2 + CH3NaO = C8H8O3 + NaBr
NaHSO4 + Mg = MgO + NaS + H2O =>
2 NaHSO4 + 7 Mg = 7 MgO + 2 NaS + H2O
HCl(l) + NaOH(s) = NaCl + H2O =>
HCl(l) + NaOH(s) = NaCl + H2O
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
Sn + H3PO4 = Sn(PO4)2 + H =>
Sn + 2 H3PO4 = Sn(PO4)2 + 6 H
CaCO3(aq) + H2SO4(aq) = CaSO4(s) + H2CO3(s) =>
CaCO3(aq) + H2SO4(aq) = CaSO4(s) + H2CO3(s)
K3PO4 + Al + H2O = K[Al(OH)4] + K2HPO4 + H2 =>
2 K3PO4 + 2 Al + 8 H2O = 2 K[Al(OH)4] + 2 K2HPO4 + 3 H2
Ba(NO3)2 + Na2(CrO4) = BaCrO4 + NaNO3 =>
Ba(NO3)2 + Na2(CrO4) = BaCrO4 + 2 NaNO3
Fe + KSCN = Fe(SCN)6 + K =>
Fe + 6 KSCN = Fe(SCN)6 + 6 K
BaCI2 + H2SO4 = BaSO4 + H2CI2 =>
BaCI2 + H2SO4 = BaSO4 + H2CI2
MgO + CH3CH2COOH = Mg(CH3CH2COO)2 + H2O =>
MgO + 2 CH3CH2COOH = Mg(CH3CH2COO)2 + H2O
NiBr + O2 = Br2 + NiO2 =>
2 NiBr + 2 O2 = Br2 + 2 NiO2
SO4 + H2O = H2SO4 + O2 =>
2 SO4 + 2 H2O = 2 H2SO4 + O2
CH3CH2COH + Ag(NH3)2OH = CH3CH2COONH4 + Ag + NH3 + H2O =>
CH3CH2COH + 2 Ag(NH3)2OH = CH3CH2COONH4 + 2 Ag + 3 NH3 + H2O
C2H5OH + CH3COOH = COOC2H5 + H2O =>
C2H5OH + 5 CH3COOH = 4 COOC2H5 + 3 H2O
P(s) + KClO3(s) = KCl(s) + P2O5(s) =>
6 P(s) + 5 KClO3(s) = 5 KCl(s) + 3 P2O5(s)
CrO3 + HCl = CrO + Cl2 + H2O =>
CrO3 + 4 HCl = CrO + 2 Cl2 + 2 H2O
C3H4O2 + KOH = C3H3O2K + H2O =>
C3H4O2 + KOH = C3H3O2K + H2O
Al(NO3)3(aq) + KOH(aq) = AlOH + K(NO3)3 =>
Al(NO3)3(aq) + KOH(aq) = AlOH + K(NO3)3
K2Cr2O7 + H2C2O4 = CO2 + Cr2O3 + K2C2O4 + H2O =>
K2Cr2O7 + 4 H2C2O4 = 6 CO2 + Cr2O3 + K2C2O4 + 4 H2O
(CH3CH2COO)2Ca + H2O = CH3CH2COOH + CaO =>
(CH3CH2COO)2Ca + H2O = 2 CH3CH2COOH + CaO
Ca3(PO4)2 + H3(PO4) = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 H3(PO4) = 3 Ca(H2PO4)2
Al2O3 + KOH = Al(OH)3 + K2O =>
Al2O3 + 6 KOH = 2 Al(OH)3 + 3 K2O
P2O3 + KOH = KPO2 + H2O =>
P2O3 + 2 KOH = 2 KPO2 + H2O
C6H10CaO6 + H2O = Ca(OH)2 + C3H6O3 =>
C6H10CaO6 + 2 H2O = Ca(OH)2 + 2 C3H6O3
Si + H2 = SiH =>
2 Si + H2 = 2 SiH
ozone = oxygen =>
2 O3 = 3 O2
P2O3 + KOH = K2P2O4 + H2O =>
P2O3 + 2 KOH = K2P2O4 + H2O
Br + O2 = BrO =>
2 Br + O2 = 2 BrO
C2H6O + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H6O + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
C3H4 + NO = C3HCN + H2O + N2 =>
16 C3H4 + 26 NO = 12 C3HCN + 26 H2O + 7 N2
H2C2O4 + KMnO4 = CO2 + K2O + Mn2O3 + H2O =>
4 H2C2O4 + 2 KMnO4 = 8 CO2 + K2O + Mn2O3 + 4 H2O
Cu3(PO4)2 + NaOH = Cu(OH)2 + Na3PO4 =>
Cu3(PO4)2 + 6 NaOH = 3 Cu(OH)2 + 2 Na3PO4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Bi2O3 + C = Bi + CO =>
Bi2O3 + 3 C = 2 Bi + 3 CO
Hg2O + O2 = Hg2O3 =>
Hg2O + O2 = Hg2O3
C7H8 + O2 = CO2 + H2O =>
C7H8 + 9 O2 = 7 CO2 + 4 H2O
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