| Équations équilibrées la veille |
K3[Cr(OH)6] + 6 HNO3 = 3 KNO3 + Cr(NO3)3 + 6 H2O
AgCI2 + CuF2 = AgF2 + CuCI2 =>
AgCI2 + CuF2 = AgF2 + CuCI2
CoCO3(s) = CoO(s) + CO2(g) =>
CoCO3(s) = CoO(s) + CO2(g)
CH3 + O = CO + H2O =>
2 CH3 + 5 O = 2 CO + 3 H2O
Al(OH)3 + K2SO4 = Al2(SO4)3 + KOH =>
2 Al(OH)3 + 3 K2SO4 = Al2(SO4)3 + 6 KOH
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
CH4 + F2 = CF4 + H2 =>
CH4 + 2 F2 = CF4 + 2 H2
Cl2 + BaF2 = Cl2F2 + Ba =>
Cl2 + BaF2 = Cl2F2 + Ba
H2CrO4 + Ca(OH)2 = Ca(CrO4) + H2O =>
H2CrO4 + Ca(OH)2 = Ca(CrO4) + 2 H2O
C6H10 + Br = C6H10Br =>
C6H10 + Br = C6H10Br
PbO2 + H3O{+} + Mn{2+} = MnO4{-} + Pb{2+} + H2O =>
5 PbO2 + 4 H3O{+} + 2 Mn{2+} = 2 MnO4{-} + 5 Pb{2+} + 6 H2O
HCl + AgNO3 = AgCl + HNO3 =>
HCl + AgNO3 = AgCl + HNO3
HCl(ac) + Mg(OH)2 = MgCl2 + H2O =>
2 HCl(ac) + Mg(OH)2 = MgCl2 + 2 H2O
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Cr(NO3)2 + H2O2 + NaOH = Na2Cr2O7 + NaNO3 + H2O =>
2 Cr(NO3)2 + 4 H2O2 + 6 NaOH = Na2Cr2O7 + 4 NaNO3 + 7 H2O
CuCl + H2SO4 = Cu2SO4 + HCl =>
2 CuCl + H2SO4 = Cu2SO4 + 2 HCl
Au + HI = AuI + H2 =>
2 Au + 2 HI = 2 AuI + H2
ZnO + NH3 = Zn + H2O + N2 =>
3 ZnO + 2 NH3 = 3 Zn + 3 H2O + N2
AsH2 = As + H2 =>
AsH2 = As + H2
KCl(aq) + CaS(aq) = K2S(aq) + CaCl2(aq) =>
2 KCl(aq) + CaS(aq) = K2S(aq) + CaCl2(aq)
HCOOH + Ba(OH)2 = Ba(COOH)2 + H2O =>
2 HCOOH + Ba(OH)2 = Ba(COOH)2 + 2 H2O
C8H6 + KMnO4 + H2SO4 = C7H6O2 + K2SO4 + MnSO4 + H2O =>
35 C8H6 + 26 KMnO4 + 39 H2SO4 = 40 C7H6O2 + 13 K2SO4 + 26 MnSO4 + 24 H2O
HCOOH + C2H5 = HCOOC2H5 + H2 =>
2 HCOOH + 2 C2H5 = 2 HCOOC2H5 + H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KMnO4 + Na2SO3 + NaHCO3 = K2SO4 + MnSO4 + Na2SO4 + Na2CO3 + H2O =>
2 KMnO4 + 5 Na2SO3 + 6 NaHCO3 = K2SO4 + 2 MnSO4 + 2 Na2SO4 + 6 Na2CO3 + 3 H2O
Fe + H2SO4(aq) = Fe2(SO4)3(aq) + H2 =>
2 Fe + 3 H2SO4(aq) = Fe2(SO4)3(aq) + 3 H2
CuO + CO2 + H2O = CuCO3*Cu(OH)2 =>
2 CuO + CO2 + H2O = CuCO3*Cu(OH)2
CHCH + KMnO4 + H2O = C2O2H2 + MnO2 + KOH =>
3 CHCH + 4 KMnO4 + 2 H2O = 3 C2O2H2 + 4 MnO2 + 4 KOH
MgO + KNO3 = Mg(NO3)2 + O2 + K =>
2 MgO + 4 KNO3 = 2 Mg(NO3)2 + O2 + 4 K
C5H8 + HCl = C5H10Cl2 =>
C5H8 + 2 HCl = C5H10Cl2
Fe(s) + CuO(s) = FeO(s) + Cu(s) =>
Fe(s) + CuO(s) = FeO(s) + Cu(s)
Na2O + Mg(OH)2 = NaOH + MgO =>
Na2O + Mg(OH)2 = 2 NaOH + MgO
C4H10 + Cl2 = C4H8Cl2 + HCl =>
C4H10 + 2 Cl2 = C4H8Cl2 + 2 HCl
Pb + HClO3 = Pb(ClO3)4 + H2 =>
Pb + 4 HClO3 = Pb(ClO3)4 + 2 H2
PbS(s) + O2 = PbO(s) + SO2(g) =>
2 PbS(s) + 3 O2 = 2 PbO(s) + 2 SO2(g)
CH3OH + CrO7{2-} + H{+} = CH2O + Cr{3+} + H2O =>
9 CH3OH + 2 CrO7{2-} + 10 H{+} = 9 CH2O + 2 Cr{3+} + 14 H2O
Q + XZ = X + QZ =>
Q + XZ = X + QZ
Ag2CO3 + NH4OH = Ag(OH) + (NH4)2CO3 =>
Ag2CO3 + 2 NH4OH = 2 Ag(OH) + (NH4)2CO3
CuO + CO2 + H2O = Cu3(CO3)2(OH)2 =>
3 CuO + 2 CO2 + H2O = Cu3(CO3)2(OH)2
Fe(NO3)3 + H2S = FeS + S + HNO3 =>
2 Fe(NO3)3 + 3 H2S = 2 FeS + S + 6 HNO3
C3H9N + O2 = C12O24 + H2O + N4O8 =>
4 C3H9N + 25 O2 = C12O24 + 18 H2O + N4O8
C6H5OH + CO2 = C7H6O3 =>
C6H5OH + CO2 = C7H6O3
Zn(No3)2 + K4Fe(CN)6 = Zn2Fe(CN)6 + KNo3 =>
2 Zn(No3)2 + K4Fe(CN)6 = Zn2Fe(CN)6 + 4 KNo3
BaSO4 + Al = BaS + Al2O3 =>
3 BaSO4 + 8 Al = 3 BaS + 4 Al2O3
Ca + Al2(SO4)3 = CaSO4 + Al =>
3 Ca + Al2(SO4)3 = 3 CaSO4 + 2 Al
MnO2 + H2SO4 + (NH4)2SO4 = MnSO4 + (NH4)2S2O8 + H2O =>
MnO2 + 2 H2SO4 + (NH4)2SO4 = MnSO4 + (NH4)2S2O8 + 2 H2O
SO2 + I + H2O = I{-} + SO4{2-} + H{+} =>
SO2 + 2 I + 2 H2O = 2 I{-} + SO4{2-} + 4 H{+}
Na2Co3 + Na2S + SO2 = Na2S2O3 + Co2 =>
2 Na2Co3 + 2 Na2S + 6 SO2 = 4 Na2S2O3 + 3 Co2
U + F2 = UF6 =>
U + 3 F2 = UF6
P2H4 + P2O4 = P2 + H2O =>
2 P2H4 + P2O4 = 3 P2 + 4 H2O
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