| Équations équilibrées la veille |
KI + H = IH + K
S8(s) + Cu(s) = Cu2S(s) =>
S8(s) + 16 Cu(s) = 8 Cu2S(s)
H3PO2 = H3PO3 + PH3 =>
3 H3PO2 = 2 H3PO3 + PH3
K2Cr2O7 + SnCl2 + HCl = H2O + KCl + CrCl3 + SnCl3 =>
K2Cr2O7 + 6 SnCl2 + 14 HCl = 7 H2O + 2 KCl + 2 CrCl3 + 6 SnCl3
HCN + MgSO4 = H2SO4 + Mg(CN)2 =>
2 HCN + MgSO4 = H2SO4 + Mg(CN)2
H2S + Fe2O3 = FeS + S + H2O =>
3 H2S + Fe2O3 = 2 FeS + S + 3 H2O
K2CrO4 + Na2SO3 + HCl = KCl + Na2SO4 + CrCl3 + H2O =>
2 K2CrO4 + 3 Na2SO3 + 10 HCl = 4 KCl + 3 Na2SO4 + 2 CrCl3 + 5 H2O
Au(s) + H2O(g) = Au(OH)3 + H2 =>
2 Au(s) + 6 H2O(g) = 2 Au(OH)3 + 3 H2
Cl2O + K2SO4 + H2O2 = KClO3 + S + H2O =>
Cl2O + K2SO4 + H2O2 = 2 KClO3 + S + H2O
CaCl2(aq) + NaOH(aq) = Ca(OH)2() + NaCl() =>
CaCl2(aq) + 2 NaOH(aq) = Ca(OH)2() + 2 NaCl()
SiO2 + N2 = Si3N4 + O2 =>
3 SiO2 + 2 N2 = Si3N4 + 3 O2
PBSO3 + H2SO4 = PBSO4 + H2O + SO2 =>
PBSO3 + H2SO4 = PBSO4 + H2O + SO2
BaCl2 + NaNO3 = Ba(NO3)2 + NaCl =>
BaCl2 + 2 NaNO3 = Ba(NO3)2 + 2 NaCl
KMnO4 + AgNO3 = AgMnO4 + KNO3 =>
KMnO4 + AgNO3 = AgMnO4 + KNO3
carbonmonoxide + hydrogen = methane + water =>
CO + 3 H2 = CH4 + H2O
C3H8O3(g) + O2(g) = CO2(g) + H2O(g) =>
2 C3H8O3(g) + 7 O2(g) = 6 CO2(g) + 8 H2O(g)
C7H14(OH)2 + O2 = H2O + CO2 =>
C7H14(OH)2 + 10 O2 = 8 H2O + 7 CO2
Al2S3O9 + NaOH = Na2SO3 + Al(OH)3 =>
Al2S3O9 + 6 NaOH = 3 Na2SO3 + 2 Al(OH)3
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
H2SeO4 + Ca(OH)2 = (CaOH)2SeO4 + H2O =>
H2SeO4 + 2 Ca(OH)2 = (CaOH)2SeO4 + 2 H2O
Ca(s) + H2O(aq) = CaOH(s) + H(g) =>
Ca(s) + H2O(aq) = CaOH(s) + H(g)
Pb(NO3)2 + K2CrO4 = KNO3 + Pb(CrO4) =>
Pb(NO3)2 + K2CrO4 = 2 KNO3 + Pb(CrO4)
Al + B = AlB2 =>
Al + 2 B = AlB2
Ca3(PO4)3 + C + SiO2 = P + CO + CaSiO3 =>
Ca3(PO4)3 + 9 C + 3 SiO2 = 3 P + 9 CO + 3 CaSiO3
BH4{-} + H2O + H3O{+} = B(OH)3 + H2 =>
BH4{-} + 2 H2O + H3O{+} = B(OH)3 + 4 H2
Zn2 + CrCl3 = CrCl2 + ZnCl =>
Zn2 + 2 CrCl3 = 2 CrCl2 + 2 ZnCl
KJ + KMnO4 + H2SO4 = J2 + Mn(SO4) + K2(SO4) + H2O =>
10 KJ + 2 KMnO4 + 8 H2SO4 = 5 J2 + 2 Mn(SO4) + 6 K2(SO4) + 8 H2O
Fe(NO3)3 = Fe + N + O =>
Fe(NO3)3 = Fe + 3 N + 9 O
(NH4)2S + Co(ClO4)2 = NH4ClO4 + CoS =>
(NH4)2S + Co(ClO4)2 = 2 NH4ClO4 + CoS
C5H12O + CH3COOH = CH3COOCH2CH2CH(CH3)2 + H2O =>
C5H12O + CH3COOH = CH3COOCH2CH2CH(CH3)2 + H2O
CH3CH2CO2H + Na2CO3 = CH3CH2CO2Na + CO2 + H2O =>
2 CH3CH2CO2H + Na2CO3 = 2 CH3CH2CO2Na + CO2 + H2O
Ca(H2PO4)2(s) + NaHCO3(s) = CO2(g) + H2O(g) + CaHPO4(s) + Na2HPO4(s) =>
Ca(H2PO4)2(s) + 2 NaHCO3(s) = 2 CO2(g) + 2 H2O(g) + CaHPO4(s) + Na2HPO4(s)
H2O2 + PbS = PbSO4 + H2O =>
4 H2O2 + PbS = PbSO4 + 4 H2O
CuCl2 + Li3PO4 = LiCl + (Cu)3(PO4)2 =>
3 CuCl2 + 2 Li3PO4 = 6 LiCl + (Cu)3(PO4)2
CH2OHCH2OH + O2 = CO2 + H2O =>
2 CH2OHCH2OH + 5 O2 = 4 CO2 + 6 H2O
FeO + KOH = K4FeO3 + H2O =>
FeO + 4 KOH = K4FeO3 + 2 H2O
KHC4H4O6 + NaOH = H2O + KC4H4O6Na =>
KHC4H4O6 + NaOH = H2O + KC4H4O6Na
NaCl(aq) + AgNO3 = NaNO3 + ClAg =>
NaCl(aq) + AgNO3 = NaNO3 + ClAg
C2H5 + Br2 = C2H4 + HBr =>
2 C2H5 + Br2 = 2 C2H4 + 2 HBr
C2H5OH + Na2Cr2O7 + H2SO4 = HC2H3O2 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C2H5OH + 2 Na2Cr2O7 + 8 H2SO4 = 3 HC2H3O2 + 2 Cr2(SO4)3 + 2 Na2SO4 + 11 H2O
C4H10(g) + O29(g) = CO2(g) + H2O(g) =>
29 C4H10(g) + 13 O29(g) = 116 CO2(g) + 145 H2O(g)
HNO3 + Cu2 = Cu(NO3) + H2O + NO =>
8 HNO3 + 3 Cu2 = 6 Cu(NO3) + 4 H2O + 2 NO
H20(l) + CO2(g) = C6H12O6(aq) + O2(g) =>
3 H20(l) + 30 CO2(g) = 5 C6H12O6(aq) + 15 O2(g)
Si + N2 = Si3N4 =>
3 Si + 2 N2 = Si3N4
Na2{+}SO4{2-} + K{+}Cl{-} = Na{+}Cl{-} + K2{+}SO4{2-} =>
Na2{+}SO4{2-} + 2 K{+}Cl{-} = 2 Na{+}Cl{-} + K2{+}SO4{2-}
KMnO4 + H2(SO4) + Sb = K2(SO4) + Mn(SO4) + Sb2O3 + H2O =>
6 KMnO4 + 9 H2(SO4) + 10 Sb = 3 K2(SO4) + 6 Mn(SO4) + 5 Sb2O3 + 9 H2O
SO2 + H2O + KMnO4 = H2SO4 + MnO2 + KOH =>
3 SO2 + 4 H2O + 2 KMnO4 = 3 H2SO4 + 2 MnO2 + 2 KOH
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
KMnO4 + NH3 = KNO3 + MnO2 + K(KOH) + H2O =>
17 KMnO4 + 7 NH3 = 7 KNO3 + 17 MnO2 + 5 K(KOH) + 8 H2O
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