Équations équilibrées la veille |
P2O3 + 2 HNO3 = P2O5 + 2 HNO2
I2O7 + NaOH = NaIO4 + H2O =>
I2O7 + 2 NaOH = 2 NaIO4 + H2O
CrO7{2-} + S{2-} + H{+} = Cr{3+} + S + H2O =>
2 CrO7{2-} + 9 S{2-} + 28 H{+} = 2 Cr{3+} + 9 S + 14 H2O
C4H6 + HBr = C4H7Br =>
C4H6 + HBr = C4H7Br
AgNo3 + KSCN = AgSCN + KNo3 =>
AgNo3 + KSCN = AgSCN + KNo3
HCl + PbNO32 = PbH + ClNO32 =>
HCl + PbNO32 = PbH + ClNO32
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NaClO3(aq) = NaCl(s) + O2(g) =>
2 NaClO3(aq) = 2 NaCl(s) + 3 O2(g)
Na2HPO4 + AgNO3 = Na2(NO3)2 + Ag2HPO4 =>
Na2HPO4 + 2 AgNO3 = Na2(NO3)2 + Ag2HPO4
Cr + CaO = Cr2O3 + Ca =>
2 Cr + 3 CaO = Cr2O3 + 3 Ca
Br2 + KCI = KBr + CI =>
Br2 + 2 KCI = 2 KBr + 2 CI
CH3CH2CH2CHCHCOOH + O2 = CO2 + H2O =>
2 CH3CH2CH2CHCHCOOH + 15 O2 = 12 CO2 + 10 H2O
MnO2 + H2O = H2O2 + MnO =>
MnO2 + H2O = H2O2 + MnO
C22H30O4 = C21H30O2 + CO2 =>
C22H30O4 = C21H30O2 + CO2
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
HNO3 + K2CO3 = K2NO3 + HCO3 =>
HNO3 + K2CO3 = K2NO3 + HCO3
Ba(OH)2 + NaHCO3 = BaCO3 + H2O + NaOH =>
Ba(OH)2 + NaHCO3 = BaCO3 + H2O + NaOH
CH4N2O + C12H22O11 + HCl = C9H10ClN5O2 + H2O =>
60 CH4N2O + 13 C12H22O11 + 24 HCl = 24 C9H10ClN5O2 + 155 H2O
C6H5CH2CN + H2 = C6H5CH2CNH2 =>
C6H5CH2CN + H2 = C6H5CH2CNH2
HCIO + Ca(OH)2 = Ca(CIO)2 + H2O =>
2 HCIO + Ca(OH)2 = Ca(CIO)2 + 2 H2O
HCl + PbNO32 = PbH + ClNO32 =>
HCl + PbNO32 = PbH + ClNO32
Pb(s) + N2(g) + O2(g) = Pb(NO3)2 =>
Pb(s) + N2(g) + 3 O2(g) = Pb(NO3)2
NaCl + MgSO4 = MgCl2(aq) + Na2SO4 =>
2 NaCl + MgSO4 = MgCl2(aq) + Na2SO4
CH3CO2{-} + NH4{+} = CH3CO2H + NH3 =>
CH3CO2{-} + NH4{+} = CH3CO2H + NH3
Pb(NO3)2 + HCl = PbCl2 + NHO3 =>
Pb(NO3)2 + 2 HCl = PbCl2 + 2 NHO3
C4H10 + Cl2 = C4H8Cl2 + H2 =>
C4H10 + Cl2 = C4H8Cl2 + H2
C2H4 + C4H10 = C8H18 =>
2 C2H4 + C4H10 = C8H18
KCl + MnO4 + H2SO4 = KHSO4 + MnSO4 + H2O + Cl2 =>
6 KCl + MnO4 + 7 H2SO4 = 6 KHSO4 + MnSO4 + 4 H2O + 3 Cl2
C2H6O + KMnO4 + NaOH = CH3COOH + H2O + K2MnO4 + Na2MnO4 =>
C2H6O + 4 KMnO4 + 4 NaOH = CH3COOH + 3 H2O + 2 K2MnO4 + 2 Na2MnO4
Br2 + FeBr3 = FeBr5 =>
Br2 + FeBr3 = FeBr5
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
K3PO4 + Pb(CH3COO)2 = Pb3(PO4)2 + K(CH3COO) =>
2 K3PO4 + 3 Pb(CH3COO)2 = Pb3(PO4)2 + 6 K(CH3COO)
KOH + Mg(CH3COO)2 = CH3COOK + Mg(OH)2 =>
2 KOH + Mg(CH3COO)2 = 2 CH3COOK + Mg(OH)2
K2NaCo(NO2)6 + KMnO4 + H2SO4 = K2SO4 + NaSO4 + CoSO4 + MnSO4 + HNO3 + H2O =>
5 K2NaCo(NO2)6 + 12 KMnO4 + 33 H2SO4 = 11 K2SO4 + 5 NaSO4 + 5 CoSO4 + 12 MnSO4 + 30 HNO3 + 18 H2O
Pb(NO3)2(aq) + CaCl2(aq) = PbCl2(s) + Ca(NO3)2(aq) =>
Pb(NO3)2(aq) + CaCl2(aq) = PbCl2(s) + Ca(NO3)2(aq)
Cr + NaNO3 + NaOH = Na2CrO4 + NaNO2 + H2O =>
Cr + 3 NaNO3 + 2 NaOH = Na2CrO4 + 3 NaNO2 + H2O
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
Na{+} + Cl{-} = NaCl =>
Na{+} + Cl{-} = NaCl
Si + FeO = FeSi + SiO2 =>
3 Si + 2 FeO = 2 FeSi + SiO2
Hg + CuCl2 = HgCl2 + Cu3 =>
3 Hg + 3 CuCl2 = 3 HgCl2 + Cu3
CON2H4(aq) = C3N6H6(l) + CO2(g) + NH3(g) =>
6 CON2H4(aq) = C3N6H6(l) + 3 CO2(g) + 6 NH3(g)
Cu + AlCl3 = CuCl2 + Al =>
3 Cu + 2 AlCl3 = 3 CuCl2 + 2 Al
HCl + PbNO32 = PbH + ClNO32 =>
HCl + PbNO32 = PbH + ClNO32
AlCl3 + Na3PO4 = AlPO4 + Na3Cl3 =>
AlCl3 + Na3PO4 = AlPO4 + Na3Cl3
MgSO4 + BaCP2 = MgCP2 + BaSO4 =>
MgSO4 + BaCP2 = MgCP2 + BaSO4
Na + Cl(g) = NaCl(s) =>
Na + Cl(g) = NaCl(s)
C2H5OH + Ag2O = C2H5OAg + H2O =>
2 C2H5OH + Ag2O = 2 C2H5OAg + H2O
HCl + NaCl = Cl2 + NaH3 =>
3 HCl + NaCl = 2 Cl2 + NaH3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
XY3 + A2 = XA + Y2A =>
4 XY3 + 5 A2 = 4 XA + 6 Y2A
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