Équations équilibrées la veille |
4 Cr + 3 O2 = 2 Cr2O3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C4H10 + Br = C4H9 + HBr =>
C4H10 + Br = C4H9 + HBr
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
Cr(NO3)2 + K3PO4 = Cr3(PO4)2 + KNO3 =>
3 Cr(NO3)2 + 2 K3PO4 = Cr3(PO4)2 + 6 KNO3
ZnO + PO4 = ZnO4 + PO =>
ZnO + PO4 = ZnO4 + PO
FeS2 + O2 = FeO3 + SO2 =>
2 FeS2 + 7 O2 = 2 FeO3 + 4 SO2
Sn(NO3)4 + K2SO3 = Sn2(SO3)4 + KNO3 =>
2 Sn(NO3)4 + 4 K2SO3 = Sn2(SO3)4 + 8 KNO3
Cu2S + HNO3 = Cu(NO3)2 + SO2 + H2O + NO =>
3 Cu2S + 20 HNO3 = 6 Cu(NO3)2 + 3 SO2 + 10 H2O + 8 NO
Fe + AgNO3 = Fe(NO3)2 + Ag =>
Fe + 2 AgNO3 = Fe(NO3)2 + 2 Ag
HgCl + Sb = SbCl + Hg =>
HgCl + Sb = SbCl + Hg
BaCl2(aq) + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 BaCl2(aq) + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
CuSO4 + KI = CuI2 + K2SO4 =>
CuSO4 + 2 KI = CuI2 + K2SO4
C2Ag2 + KMnO4 + H2O = HOOCCOOH + Ag2O + KOH + MnO =>
5 C2Ag2 + 8 KMnO4 + 9 H2O = 5 HOOCCOOH + 5 Ag2O + 8 KOH + 8 MnO
NaHCO3 = Na + H2O + O2 + CO2 =>
4 NaHCO3 = 4 Na + 2 H2O + O2 + 4 CO2
Na2CO3 + H3PO4 = Na3PO4 + H2O + CO2 =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 H2O + 3 CO2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
K(s) + H2O(s) = H2(s) + KOH(s) =>
2 K(s) + 2 H2O(s) = H2(s) + 2 KOH(s)
Na2CO3 + H3PO4 = Na3PO4 + H2O + CO2 =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 H2O + 3 CO2
HCHO2 + NaOH = NaCO2H + H2O =>
HCHO2 + NaOH = NaCO2H + H2O
Al2O3 + NaOH = Al(OH)3 + Na2O =>
Al2O3 + 6 NaOH = 2 Al(OH)3 + 3 Na2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Al + Cl2 = Al2Cl3 =>
4 Al + 3 Cl2 = 2 Al2Cl3
FeCl3 + K2CrO4 = Fe2(CrO4)3 + KCl =>
2 FeCl3 + 3 K2CrO4 = Fe2(CrO4)3 + 6 KCl
Na + MgCl2 = NaCl + Mg =>
2 Na + MgCl2 = 2 NaCl + Mg
FeCl3 + HOH = Fe(OH)3 + HCl =>
FeCl3 + 3 HOH = Fe(OH)3 + 3 HCl
K2O + CrF3 = Cr2O3 + KF =>
3 K2O + 2 CrF3 = Cr2O3 + 6 KF
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
KOH + SO3 = K2SO4H2O =>
2 KOH + SO3 = K2SO4H2O
Ca(C2H3O2)2 + Al2(CO3)3 = CaCO3 + Al(C2H3O2)3 =>
3 Ca(C2H3O2)2 + Al2(CO3)3 = 3 CaCO3 + 2 Al(C2H3O2)3
C8H18 + O2 = CO + H2O =>
2 C8H18 + 17 O2 = 16 CO + 18 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
C2H6O + CO2 = C6H12O6 =>
2 C2H6O + 2 CO2 = C6H12O6
KCH3COO + MgBr2 = KBr + Mg(CH3COO)2 =>
2 KCH3COO + MgBr2 = 2 KBr + Mg(CH3COO)2
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
C8H18 + O2 = CO + H2O =>
2 C8H18 + 17 O2 = 16 CO + 18 H2O
Ag2S + KCN = KAg(CN)2 + K2S =>
Ag2S + 4 KCN = 2 KAg(CN)2 + K2S
C4H6 + NaH = C4H5Na + H2 =>
C4H6 + NaH = C4H5Na + H2
Sc + Br2 = ScBr3 =>
2 Sc + 3 Br2 = 2 ScBr3
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
C3H4 + O2 = H2O + CO =>
2 C3H4 + 5 O2 = 4 H2O + 6 CO
SC + O2 = SO2 + CO2 =>
SC + 2 O2 = SO2 + CO2
Ca + Pb(NO3)2 = Pb + Ca(NO3)2 =>
Ca + Pb(NO3)2 = Pb + Ca(NO3)2
MnO2 + H2 = Mn + H2O =>
MnO2 + 2 H2 = Mn + 2 H2O
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