Équations équilibrées la veille |
NiCl2 + 3 O2 = NiO + Cl2O5
Fe2S3 + CS = Fe + CS2 =>
Fe2S3 + 3 CS = 2 Fe + 3 CS2
Na2CO3 + CH3CO2 = Na2CO2 + H2O + CO2 =>
7 Na2CO3 + 2 CH3CO2 = 7 Na2CO2 + 3 H2O + 4 CO2
Li + Ba(OH)2 = Ba + LiOH =>
2 Li + Ba(OH)2 = Ba + 2 LiOH
CH4 + Na2CO3 + Br2 = CH3Br + NaBr + HCO3 =>
2 CH4 + 2 Na2CO3 + 3 Br2 = 2 CH3Br + 4 NaBr + 2 HCO3
Na + FeCl2 = Fe + NaCl =>
2 Na + FeCl2 = Fe + 2 NaCl
K3PO4 + Al(NO3)3 = KNO3 + AlPO4 =>
K3PO4 + Al(NO3)3 = 3 KNO3 + AlPO4
KMnO4 + H2SO3 = H2SO4 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 5 H2SO3 = 2 H2SO4 + K2SO4 + 2 MnSO4 + 3 H2O
BaSO4 + Bi(OH)3 = Bi2(SO4)3 + Ba(OH)2 =>
3 BaSO4 + 2 Bi(OH)3 = Bi2(SO4)3 + 3 Ba(OH)2
HCl + CO3 = H2CO3 + Cl =>
2 HCl + CO3 = H2CO3 + 2 Cl
AgNO3 + Li = LiNO3 + Ag =>
AgNO3 + Li = LiNO3 + Ag
CH3COONa + NaOH = CH3COOOH + Na2 =>
CH3COONa + NaOH = CH3COOOH + Na2
Bi2O3 + C = Bi + CO =>
Bi2O3 + 3 C = 2 Bi + 3 CO
KCIO3 + Na2SO2 = KCI + Na2SO3 =>
KCIO3 + 3 Na2SO2 = KCI + 3 Na2SO3
H3PO3(aq) + Ca(OH)2(aq) = H2O(l) + Ca3(PO3)2(aq) =>
2 H3PO3(aq) + 3 Ca(OH)2(aq) = 6 H2O(l) + Ca3(PO3)2(aq)
C6H12O6(ac) = C2H6O(ac) + CO2(g) =>
C6H12O6(ac) = 2 C2H6O(ac) + 2 CO2(g)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Bi2O3 + C = Bi + CO2 =>
2 Bi2O3 + 3 C = 4 Bi + 3 CO2
C2H2 + Cl2 = CHCl =>
C2H2 + Cl2 = 2 CHCl
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
Cr(OH)3 + NaOH = Na3(Cr(OH)6) =>
Cr(OH)3 + 3 NaOH = Na3(Cr(OH)6)
Sc(OH)2 = H2O + ScO =>
Sc(OH)2 = H2O + ScO
FeOH + KNO = FeNO + KOH =>
FeOH + KNO = FeNO + KOH
KOH + HCHO + KMnO4 = HCOOH + H2O + K2MnO4 =>
2 KOH + HCHO + 2 KMnO4 = HCOOH + H2O + 2 K2MnO4
Na(Cr(OH)4) + NaClO + NaOH = NaCl + Na2CrO4 + H2O =>
2 Na(Cr(OH)4) + 3 NaClO + 2 NaOH = 3 NaCl + 2 Na2CrO4 + 5 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Al(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2(g) =>
2 Al(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2(g)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na + CdS = Na2S + Cd =>
2 Na + CdS = Na2S + Cd
FeCl3 + H3Po4 = FePo4 + H3Cl3 =>
FeCl3 + H3Po4 = FePo4 + H3Cl3
C2H6O + K2Cr2O7 + H2SO4 = C2H4O + K2SO4 + Cr2(SO4)3 + H2O =>
3 C2H6O + K2Cr2O7 + 4 H2SO4 = 3 C2H4O + K2SO4 + Cr2(SO4)3 + 7 H2O
K3P(s) + O2(g) = K3PO4(s) =>
K3P(s) + 2 O2(g) = K3PO4(s)
SnS + H2O2 + KOH = K2SnS3 + K2SnO3 + H2O =>
3 SnS + 3 H2O2 + 6 KOH = K2SnS3 + 2 K2SnO3 + 6 H2O
C6H5OH + KMnO4 = C6H4O2 + MnO2 + H2O + KOH =>
3 C6H5OH + 4 KMnO4 = 3 C6H4O2 + 4 MnO2 + H2O + 4 KOH
B + MgO = B2O3 + Mg =>
2 B + 3 MgO = B2O3 + 3 Mg
HCl + Al2(CO3)3 = AlCl3 + H2CO3 =>
6 HCl + Al2(CO3)3 = 2 AlCl3 + 3 H2CO3
KF + AgNO3 = AgF + KNO3 =>
KF + AgNO3 = AgF + KNO3
CuCl2*2H2O + NH3 + Na2SO4 = [Cu(NH3)4]SO4*H2O + NaCl + H2O =>
CuCl2*2H2O + 4 NH3 + Na2SO4 = [Cu(NH3)4]SO4*H2O + 2 NaCl + H2O
BaSO4 + H3PO4 = Ba3(PO4)2 + H2SO4 =>
3 BaSO4 + 2 H3PO4 = Ba3(PO4)2 + 3 H2SO4
Al + Zn(NO3)2 = Al(NO3)3 + Zn =>
2 Al + 3 Zn(NO3)2 = 2 Al(NO3)3 + 3 Zn
Cs + P = Cs3P =>
3 Cs + P = Cs3P
CoCl2 + NH4(OH) = Co(OH)2 + NH4Cl =>
CoCl2 + 2 NH4(OH) = Co(OH)2 + 2 NH4Cl
KMn04 + KNO2 + H2SO4 = MnS04 + H2O + KNO3 + K2SO4 =>
2 KMn04 + 95 KNO2 + 33 H2SO4 = 8 MnS04 + 33 H2O + 95 KNO3 + K2SO4
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C2H5OH + Na2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C2H5OH + 2 Na2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 Na2SO4 + 11 H2O
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
CuSO4 + Na3PO4 = Cu3(PO4)2 + Na2SO4 =>
3 CuSO4 + 2 Na3PO4 = Cu3(PO4)2 + 3 Na2SO4
SnS + HNO3 + H2O = H2SnO3 + H2SO4 + NO =>
3 SnS + 10 HNO3 + H2O = 3 H2SnO3 + 3 H2SO4 + 10 NO
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