| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al + K2Cr2O7 + 14 HCl = 2 AlCl3 + 2 CrCl3 + 2 KCl + 7 H2O
H2SO4 + BaCO3 = BaSO4 + H2CO3 =>
H2SO4 + BaCO3 = BaSO4 + H2CO3
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
K(CO3)2 + H2SO4 = K(SO4) + H2(CO3)2 =>
K(CO3)2 + H2SO4 = K(SO4) + H2(CO3)2
K2Cr2O7 + HBr + Na2C2O4 = KBr + NaBr + CrBr3 + CO2 + H2O =>
K2Cr2O7 + 14 HBr + 3 Na2C2O4 = 2 KBr + 6 NaBr + 2 CrBr3 + 6 CO2 + 7 H2O
CrCl2 + H2SO4 = CrSO4 + Cl2H2 =>
CrCl2 + H2SO4 = CrSO4 + Cl2H2
Ag + S8 = Ag2S3 =>
16 Ag + 3 S8 = 8 Ag2S3
CH3(CH2)14COONa + MgCl3 = (CH3(CH2)14COO)3Mg + NaCl =>
3 CH3(CH2)14COONa + MgCl3 = (CH3(CH2)14COO)3Mg + 3 NaCl
Na3[Cu(S2O3)2] + H2O + Na2S4O6 = Na2S2O3 + H2SO4 + CuS =>
2 Na3[Cu(S2O3)2] + 2 H2O + Na2S4O6 = 4 Na2S2O3 + 2 H2SO4 + 2 CuS
Mg2 + Fe(PO4) = Fe3 + Mg(PO4)2 =>
3 Mg2 + 12 Fe(PO4) = 4 Fe3 + 6 Mg(PO4)2
Li + AlCl3 = Al + LiCl =>
3 Li + AlCl3 = Al + 3 LiCl
ZnCl2(aq) + H2O(l) = ZnO(s) + HCl(aq) =>
ZnCl2(aq) + H2O(l) = ZnO(s) + 2 HCl(aq)
CoCl2*6H2O + H2O2 + NH4OH + NH4Cl = [Co(NH3)6]Cl3 + H2O =>
2 CoCl2*6H2O + H2O2 + 10 NH4OH + 2 NH4Cl = 2[Co(NH3)6]Cl3 + 24 H2O
FeS + HNO3 = NO2 + Fe2(SO4)3 + Fe(NO3)2 + H2O =>
3 FeS + 28 HNO3 = 26 NO2 + Fe2(SO4)3 + Fe(NO3)2 + 14 H2O
FeCl2 + O2 + H2O = FeOCl + HCl =>
4 FeCl2 + O2 + 2 H2O = 4 FeOCl + 4 HCl
Ca + O2 = CaO = = =>
2 Ca + O2 = 2 CaO
Sn + H2SO4 = Sn(SO4) + SO2 + H2O =>
Sn + 2 H2SO4 = Sn(SO4) + SO2 + 2 H2O
C2H4(OH)2 + K2Cr2O7 + H2SO4 = C6H4O2*C6H4(OH)2 + Cr2(SO4)3 + K2SO4 + H2O =>
18 C2H4(OH)2 + 5 K2Cr2O7 + 20 H2SO4 = 3 C6H4O2*C6H4(OH)2 + 5 Cr2(SO4)3 + 5 K2SO4 + 59 H2O
NH4Cl + Na2SiO3 = NH3 + NaCl + H2SiO3 =>
2 NH4Cl + Na2SiO3 = 2 NH3 + 2 NaCl + H2SiO3
C2H4(OH)2 + K2Cr2O7 + H2SO4 = C6H4O2*C6H4(OH)2 + Cr2(SO4)3 + K2SO4 + H2O =>
18 C2H4(OH)2 + 5 K2Cr2O7 + 20 H2SO4 = 3 C6H4O2*C6H4(OH)2 + 5 Cr2(SO4)3 + 5 K2SO4 + 59 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
H3PO4 + AgOH = H3OH + AgPO4 =>
H3PO4 + AgOH = H3OH + AgPO4
Cu + NaOH = Cu(Na)2 + OH =>
Cu + 2 NaOH = Cu(Na)2 + 2 OH
CH3COOH = CH4CO2 =>
CH3COOH = CH4CO2
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
CaO + P = Ca3P2 + P2O5 =>
15 CaO + 16 P = 5 Ca3P2 + 3 P2O5
C2H4(OH)2 + K2Cr2O7 + H2SO4 = C6H4O2*C6H4(OH)2 + Cr2(SO4)3 + K2SO4 + H2O =>
18 C2H4(OH)2 + 5 K2Cr2O7 + 20 H2SO4 = 3 C6H4O2*C6H4(OH)2 + 5 Cr2(SO4)3 + 5 K2SO4 + 59 H2O
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
CH4N2O + CaCO3 + H2O = Ca(OH)2 + (CH3)COOC(CH3) + NO2 =>
9 CH4N2O + 19 CaCO3 + 22 H2O = 19 Ca(OH)2 + 7(CH3)COOC(CH3) + 18 NO2
Sn + HCl = Sn2Cl + H =>
2 Sn + HCl = Sn2Cl + H
Na + MgCl2 = NaCl + Mg =>
2 Na + MgCl2 = 2 NaCl + Mg
Al2(SO4)3 + C4H8O2 = Al(C4H7O2)3 + H2SO4 =>
Al2(SO4)3 + 6 C4H8O2 = 2 Al(C4H7O2)3 + 3 H2SO4
Cu + NH4NO3 = Cu(NO3)2 + NH4 =>
Cu + 2 NH4NO3 = Cu(NO3)2 + 2 NH4
BaCrO4 + HNO3 = Ba(NO3)2 + H + Cr2O7 + H2O =>
2 BaCrO4 + 4 HNO3 = 2 Ba(NO3)2 + 2 H + Cr2O7 + H2O
Na2CO3 + CH3COOH = H2O + NaCH3COO + CO2 =>
Na2CO3 + 2 CH3COOH = H2O + 2 NaCH3COO + CO2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Na2B4O7 + AgNO3 + H2O = NaNO2 + H2BO3 + Ag2O =>
Na2B4O7 + 2 AgNO3 + 4 H2O = 2 NaNO2 + 4 H2BO3 + Ag2O
CaCl2 + Na3PO4 = NaCl + NaCaPO4 =>
CaCl2 + Na3PO4 = 2 NaCl + NaCaPO4
Re + Br2 = ReBr3 =>
2 Re + 3 Br2 = 2 ReBr3
Cu + Pd(NO3)2 = Cu(NO3)2 + Pd =>
Cu + Pd(NO3)2 = Cu(NO3)2 + Pd
KL + KLO3 + H2SO4 = L2 + K2SO4 + H2O =>
5 KL + KLO3 + 3 H2SO4 = 3 L2 + 3 K2SO4 + 3 H2O
Fe + N = Fe3N2 =>
3 Fe + 2 N = Fe3N2
NH4NO3 + C12H26 = H2O + CO2 + N =>
37 NH4NO3 + C12H26 = 87 H2O + 12 CO2 + 74 N
CH4CO2 = CH3COOH =>
CH4CO2 = CH3COOH
Sr(NO3)2 + KIO3 = Sr(IO3)2 + KNO3 =>
Sr(NO3)2 + 2 KIO3 = Sr(IO3)2 + 2 KNO3
Ba(C2H3O2)2 + H2SO4 = BaSO4 + HC2H3O2 =>
Ba(C2H3O2)2 + H2SO4 = BaSO4 + 2 HC2H3O2
CO2 + H2O = C3H8 + O2 =>
3 CO2 + 4 H2O = C3H8 + 5 O2
NH4OH + KAl(SO4)2*12H2O = Al(OH)3 + (NH4)2SO4 + KOH + H2O =>
4 NH4OH + KAl(SO4)2*12H2O = Al(OH)3 + 2(NH4)2SO4 + KOH + 12 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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