| Équations équilibrées la veille |
2 HNO3 + Mn(OH)2 = 2 H(OH) + Mn(NO3)2
C2H3O2 + NO3 = NH4 + CO2 + H2O =>
10 C2H3O2 + 7 NO3 = 7 NH4 + 20 CO2 + H2O
C94H20 + O2 = CO2 + H2O =>
C94H20 + 99 O2 = 94 CO2 + 10 H2O
Fe2O3(s) + H2S = Fe + H2SO4 =>
4 Fe2O3(s) + 3 H2S = 8 Fe + 3 H2SO4
NH3 + O2 = N2O3 + H2O =>
2 NH3 + 3 O2 = N2O3 + 3 H2O
C2H4O2 + NaHCO3 = CO2 + H2O + NaCHO =>
C2H4O2 + 2 NaHCO3 = 2 CO2 + 2 H2O + 2 NaCHO
Na2CO3(aq) + Ni(NO3)2(aq) = NiCO3(aq) + Na2(NO3)2 =>
Na2CO3(aq) + Ni(NO3)2(aq) = NiCO3(aq) + Na2(NO3)2
Zn + J = Zn3J2 =>
3 Zn + 2 J = Zn3J2
Al4C3 + O2 = Al2O3 + C =>
Al4C3 + 3 O2 = 2 Al2O3 + 3 C
AlBr3 + *HNO3 = Al(NO3)3 + *HBr =>
AlBr3 + 3*HNO3 = Al(NO3)3 + 3*HBr
Iron(III)oxide + potassium = potassiumoxide + iron =>
Fe2O3 + 6 K = 3 K2O + 2 Fe
K2O + NO2 = KNO3 + KNO2 =>
K2O + 2 NO2 = KNO3 + KNO2
CaO + Fe2O3 = CaOFe2O3 =>
CaO + Fe2O3 = CaOFe2O3
Pb(OH)2 + KCl = PbCl2 + KHO =>
Pb(OH)2 + 2 KCl = PbCl2 + 2 KHO
HNO3 + Mn(OH)2 = HOH + Mn(NO3)2 =>
2 HNO3 + Mn(OH)2 = 2 HOH + Mn(NO3)2
Zn(s) = Zn2(aq) =>
2 Zn(s) = Zn2(aq)
CrCl3 + NaOH + H2O2 = Na2CrO4 + H2O + HCl =>
2 CrCl3 + 4 NaOH + 3 H2O2 = 2 Na2CrO4 + 2 H2O + 6 HCl
PbSO4(s) + NaClO(aq) = Na2SO4(aq) + Pb + OCl =>
PbSO4(s) + 2 NaClO(aq) = Na2SO4(aq) + Pb + 2 OCl
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
SiH2Cl2 + H2O = SiO3 + HCl + H2 =>
SiH2Cl2 + 3 H2O = SiO3 + 2 HCl + 3 H2
NaCl + H2SO4 = NaSO4 + HCl + H2 =>
2 NaCl + 2 H2SO4 = 2 NaSO4 + 2 HCl + H2
HI(aq) + Li2S(aq) = H2S(aq) + LiI(aq) =>
2 HI(aq) + Li2S(aq) = H2S(aq) + 2 LiI(aq)
H2O(agua) + KO2 = KOH + O2 =>
2 H2O(agua) + 4 KO2 = 4 KOH + 3 O2
NaOH + Cr(OH)2 = Na2(Cr(OH)4) =>
2 NaOH + Cr(OH)2 = Na2(Cr(OH)4)
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
MgCO3 + H2SO4 = MgSO4 + CO2 + H2O =>
MgCO3 + H2SO4 = MgSO4 + CO2 + H2O
Zincbromide + silveriodide = silverbromide + zinciodide =>
ZnBr2 + 2 AgI = 2 AgBr + ZnI2
Cu2S + NaCN + O2 + H2O = Na2Cu(CN)3 + NaSCN + NaOH =>
2 Cu2S + 14 NaCN + O2 + 2 H2O = 4 Na2Cu(CN)3 + 2 NaSCN + 4 NaOH
H3PO4 + Fe(OH)2 = (PO4)2Fe3 + H2O =>
2 H3PO4 + 3 Fe(OH)2 = (PO4)2Fe3 + 6 H2O
C8H10 + O2 = CO + H2O =>
2 C8H10 + 13 O2 = 16 CO + 10 H2O
Zn + Cu(II)(NO3) = Zn(NO3) + Cu(II) =>
Zn + Cu(II)(NO3) = Zn(NO3) + Cu(II)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH3C(OH)(CH3)CH3 + KMnO4 + H2SO4 = K2SO4 + Mn(OH)2 + C3H6O + H2O =>
15 CH3C(OH)(CH3)CH3 + 8 KMnO4 + 4 H2SO4 = 4 K2SO4 + 8 Mn(OH)2 + 20 C3H6O + 11 H2O
Ca + CuNO = Cu + Ca(NO) =>
Ca + CuNO = Cu + Ca(NO)
HNO3 + Mn(OH)2 = HOH + Mn(NO3)2 =>
2 HNO3 + Mn(OH)2 = 2 HOH + Mn(NO3)2
KClO3 + NaI + H2O = I2 + KCl + NaOH =>
KClO3 + 6 NaI + 3 H2O = 3 I2 + KCl + 6 NaOH
Al2(CO3)3 + H2O = Al(OH)3 + CO2 =>
Al2(CO3)3 + 3 H2O = 2 Al(OH)3 + 3 CO2
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
C19H14O2 + H2O = CO2 + C2H6O =>
6 C19H14O2 + 87 H2O = 28 CO2 + 43 C2H6O
CuCl2 + BaCl2 = CuCl2BaCl2 =>
CuCl2 + BaCl2 = CuCl2BaCl2
Rb3PO4 + Ba(OH)2 = Ba3(PO4)2 + RbOH =>
2 Rb3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 RbOH
C6H12O + Cr2O72{-} + H{+} = C6H10O4 + Cr13{+} + H2O =>
1857 C6H12O + 104 Cr2O72{-} + 120 H{+} = 1857 C6H10O4 + 16 Cr13{+} + 1917 H2O
Pb(NO3)2(aq) + KI = PbI2(s) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KI = PbI2(s) + 2 KNO3(aq)
KOH + P2O5 = K2HPO4 + H2O =>
4 KOH + P2O5 = 2 K2HPO4 + H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
B2O3 + Ba = B + BaO =>
B2O3 + 3 Ba = 2 B + 3 BaO
H2S + Pb(NO3)3 = PbS + H2(NO3)3 =>
H2S + Pb(NO3)3 = PbS + H2(NO3)3
S2O4 + OH = SO3 + H2O =>
S2O4 + 4 OH = 2 SO3 + 2 H2O
C6H12 + O6 = H2O + CO2 =>
C6H12 + 3 O6 = 6 H2O + 6 CO2
K2SO4 + Cr2(SO4)3 + Se + H2O = H2SO4 + H2Se + K2Cr2O7 =>
K2SO4 + Cr2(SO4)3 + 3 Se + 7 H2O = 4 H2SO4 + 3 H2Se + K2Cr2O7
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