| Équations équilibrées la veille |
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C2O2(OH)2 + KOH = K2C2O4 + H2O =>
C2O2(OH)2 + 2 KOH = K2C2O4 + 2 H2O
Al(CN)3 + H2S = Al2S3 + HCN =>
2 Al(CN)3 + 3 H2S = Al2S3 + 6 HCN
C7O3H6 + C4H6O3 = C9O4H8 =>
11 C7O3H6 + C4H6O3 = 9 C9O4H8
AlCl + S = AlS + Cl =>
AlCl + S = AlS + Cl
Na(s) + Cl2(g) = Na2Cl2(s) =>
2 Na(s) + Cl2(g) = Na2Cl2(s)
Be3P2 = Be + P =>
Be3P2 = 3 Be + 2 P
CaCO3(k) + HCl(aq) = CaCl2(aq) + H2O(s) + CO2 =>
CaCO3(k) + 2 HCl(aq) = CaCl2(aq) + H2O(s) + CO2
Fe + Cu2O = FeCu + O =>
2 Fe + Cu2O = 2 FeCu + O
Li + HNO3 = Li(NO3) + NH4NO3 + H2O =>
8 Li + 10 HNO3 = 8 Li(NO3) + NH4NO3 + 3 H2O
B2O3 + C3H8O3 = B4C + CO + H2O =>
8 B2O3 + 7 C3H8O3 = 4 B4C + 17 CO + 28 H2O
C7H16 + N41O10 = CO2 + H2O + N =>
5 C7H16 + 11 N41O10 = 35 CO2 + 40 H2O + 451 N
KO3 + KI + H2SO4 = I2 + K2SO4 + H2O =>
2 KO3 + 10 KI + 6 H2SO4 = 5 I2 + 6 K2SO4 + 6 H2O
Mn3O9(s) + Al(s) = Mn(s) + Al2O3(s) =>
Mn3O9(s) + 6 Al(s) = 3 Mn(s) + 3 Al2O3(s)
S + Au = Au2S3 =>
3 S + 2 Au = Au2S3
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
Na3PO4 + Ca(HCO3)2 = Ca3(PO4)2 + H2O + CO2 + Na2CO3 =>
2 Na3PO4 + 3 Ca(HCO3)2 = Ca3(PO4)2 + 3 H2O + 3 CO2 + 3 Na2CO3
Ce(SO4)2 + KBr = Br2 + Ce2(SO4)3 + K2SO4 =>
2 Ce(SO4)2 + 2 KBr = Br2 + Ce2(SO4)3 + K2SO4
Na2CO3 + K3PO4 = Na3PO4 + K2CO3 =>
3 Na2CO3 + 2 K3PO4 = 2 Na3PO4 + 3 K2CO3
NH4 + F = NH4F =>
NH4 + F = NH4F
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Ni(NO3)2 + Fe = Ni + Fe(NO3)2 =>
Ni(NO3)2 + Fe = Ni + Fe(NO3)2
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
C10H18O + CrO3 + H{+} = C10H16O + Cr{3+} + H2O =>
3 C10H18O + 2 CrO3 + 6 H{+} = 3 C10H16O + 2 Cr{3+} + 6 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
NaN3(s) = Na3N(s) + N2(g) =>
3 NaN3(s) = Na3N(s) + 4 N2(g)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe(OH)3 + Zn(OH)2 = ZnFe2O4 + H2O =>
2 Fe(OH)3 + Zn(OH)2 = ZnFe2O4 + 4 H2O
I{-} + Br2 + OH{-} = IO3{-} + Br{-} + H2O =>
I{-} + 3 Br2 + 6 OH{-} = IO3{-} + 6 Br{-} + 3 H2O
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
KCrO2 + HBr = CrBr3 + KOH + H2O =>
KCrO2 + 3 HBr = CrBr3 + KOH + H2O
C4H8 + K2Cr2O7 + H2SO4 = C4H10O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C4H8 + K2Cr2O7 + 4 H2SO4 = 3 C4H10O2 + K2SO4 + Cr2(SO4)3 + H2O
K2Cr2O7 + NaBr + H2SO4 = Cr2(SO4)3 + K2SO4 + Na2SO4 + Br2 + H2O =>
K2Cr2O7 + 6 NaBr + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 Na2SO4 + 3 Br2 + 7 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
AgNO3 + NaOH = AgOH + NaNO3 =>
AgNO3 + NaOH = AgOH + NaNO3
CH2CHCH2CH2CH3 + KMnO4 + H2SO4 = CH3CH2CH2COOH + MnSO4 + K2SO4 + H2O =>
4 CH2CHCH2CH2CH3 + 4 KMnO4 + 6 H2SO4 = 5 CH3CH2CH2COOH + 4 MnSO4 + 2 K2SO4 + 6 H2O
Na + LiH = Li + NaH =>
Na + LiH = Li + NaH
BaCl2(s) + (NH4)2CO3(s) = BaCO3(s) + NH4Cl(l) =>
BaCl2(s) + (NH4)2CO3(s) = BaCO3(s) + 2 NH4Cl(l)
MnO2 + KOH + O2 = K2MnO4 + H2O =>
2 MnO2 + 4 KOH + O2 = 2 K2MnO4 + 2 H2O
CaCl2 + H(C2H3O2) = Ca(C2H3O2)2 + HCl =>
CaCl2 + 2 H(C2H3O2) = Ca(C2H3O2)2 + 2 HCl
H + C2P = HC2P =>
H + C2P = HC2P
Mn{+2} + S2O8{-2} + OH{-} = MnO4{-} + SO4{-2} + H2O =>
2 Mn{+2} + 5 S2O8{-2} + 16 OH{-} = 2 MnO4{-} + 10 SO4{-2} + 8 H2O
C6H7N5O16(s) + O(g) = CO2(g) + NO2(g) + H2O(g) =>
2 C6H7N5O16(s) + 19 O(g) = 12 CO2(g) + 10 NO2(g) + 7 H2O(g)
H2S + NaOH = H2OH + NaS =>
H2S + NaOH = H2OH + NaS
NaOH + CuC2H3O2 = CuOH + NaC2H3O2 =>
NaOH + CuC2H3O2 = CuOH + NaC2H3O2
Hg(NO3)2 + HgCl2 = Hg + Cl2(NO3)2 =>
Hg(NO3)2 + HgCl2 = 2 Hg + Cl2(NO3)2
CaCl2 + KNO3 = Ca(NO3)2 + KCl =>
CaCl2 + 2 KNO3 = Ca(NO3)2 + 2 KCl
Cr + Al2O3 = CrO + Al =>
3 Cr + Al2O3 = 3 CrO + 2 Al
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