Équations équilibrées la veille |
2 N2 + O2 = 2 N2O
Fe + AgNO3 = Fe(NO3)2 + Ag =>
Fe + 2 AgNO3 = Fe(NO3)2 + 2 Ag
Na2SO4 + Zn(OH)2 = Na2(OH)2 + ZnSO4 =>
Na2SO4 + Zn(OH)2 = Na2(OH)2 + ZnSO4
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
OH{-} + [Fe(H2O)6]{3}{+} = Fe(H2O)3(OH)3 + H2O =>
3 OH{-} + [Fe(H2O)6]{3}{+} = Fe(H2O)3(OH)3 + 3 H2O
Au + K + Se = AuKSe =>
Au + K + Se = AuKSe
MgCl2 + Na2S = MgS + NaCl =>
MgCl2 + Na2S = MgS + 2 NaCl
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
H2PtCl6 + N2H4 = Pt + NH4Cl + N2 =>
2 H2PtCl6 + 11 N2H4 = 2 Pt + 12 NH4Cl + 5 N2
CO2(g) + CaSiO3(s) + H2O(l) = SiO2(s) + Ca(HCO3)2(aq) =>
2 CO2(g) + CaSiO3(s) + H2O(l) = SiO2(s) + Ca(HCO3)2(aq)
Na2Cr2O7 + SO2 = Na2SO3 + CrO3 =>
Na2Cr2O7 + SO2 = Na2SO3 + 2 CrO3
Ni + CuCl2 = NiCl2 + Cu =>
Ni + CuCl2 = NiCl2 + Cu
P + H2SO4 = H3PO4 + H2O + SO2 =>
2 P + 5 H2SO4 = 2 H3PO4 + 2 H2O + 5 SO2
NH4H2PO4 + Ca(OH)2 = Ca3(PO4)2 + NH3 + H2O =>
2 NH4H2PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 2 NH3 + 6 H2O
Al(NO3)3(aq) + Ba(OH)2(aq) = Al(OH)3(s) + Ba(NO3)2(aq) =>
2 Al(NO3)3(aq) + 3 Ba(OH)2(aq) = 2 Al(OH)3(s) + 3 Ba(NO3)2(aq)
SO3 + NaOH = Na2SO4 + H2O =>
SO3 + 2 NaOH = Na2SO4 + H2O
H2SO4 + NH3 = H + NSO4 =>
H2SO4 + NH3 = 5 H + NSO4
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
H2A + Ca(OH)2 = A + Ca + H2O =>
H2A + Ca(OH)2 = A + Ca + 2 H2O
FeCl3 + Na(OH) = Fe(OH)3 + NaCl =>
FeCl3 + 3 Na(OH) = Fe(OH)3 + 3 NaCl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Cu + (HNO3)9 = Cu(NO3)2 + NO2 + H2O =>
9 Cu + 4(HNO3)9 = 9 Cu(NO3)2 + 18 NO2 + 18 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Cu(OH)2 + Zn = CuO + Zn(OH)2 + H2 =>
2 Cu(OH)2 + Zn = 2 CuO + Zn(OH)2 + H2
CaCO3 + H3PO4 = Ca3[PO4]2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3[PO4]2 + 3 H2CO3
H2SO4 + Mg = H2 + MgSO4 =>
H2SO4 + Mg = H2 + MgSO4
KCl + Mg(OH)2 = KOH + MgCl2 =>
2 KCl + Mg(OH)2 = 2 KOH + MgCl2
Zn + Pb2NO3 = Pb + Zn3NO3 =>
3 Zn + Pb2NO3 = 2 Pb + Zn3NO3
H2O2MgO = H2O2 + MgO =>
H2O2MgO = H2O2 + MgO
Mg(NO3)2 + HNO3 = MgH + NO3 =>
Mg(NO3)2 + HNO3 = MgH + 3 NO3
BaCO3 + CuO + V2O5 + KCl = KBaCuV2O7Cl + CO2 =>
BaCO3 + CuO + V2O5 + KCl = KBaCuV2O7Cl + CO2
Na2O + CaO = CaNa2O2 =>
Na2O + CaO = CaNa2O2
MnH2SO4 = MnSO4H2 =>
MnH2SO4 = MnSO4H2
CaHBr = CaBrH =>
CaHBr = CaBrH
KOH + MnO2 + KClO3 = K2MnO4 + H2O + KCl =>
6 KOH + 3 MnO2 + KClO3 = 3 K2MnO4 + 3 H2O + KCl
NH4F + NaS = NH4S + NaF =>
NH4F + NaS = NH4S + NaF
MgCl2 + H2O = MgO(s) + HCl =>
MgCl2 + H2O = MgO(s) + 2 HCl
Ba(Br)2 + Ag(NO3) = Ba(NO3) + Ag(Br)2 =>
Ba(Br)2 + Ag(NO3) = Ba(NO3) + Ag(Br)2
C3H6O + HCl = C3H7ClO =>
C3H6O + HCl = C3H7ClO
Mn(NO3)2 + Pb2O4 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
4 Mn(NO3)2 + 5 Pb2O4 + 12 HNO3 = 4 HMnO4 + 10 Pb(NO3)2 + 4 H2O
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
MnO3*5H2O2 = Mn + O2 + H2O =>
MnO3*5H2O2 = Mn + 4 O2 + 5 H2O
Cu1 + O2 = CuO =>
2 Cu1 + O2 = 2 CuO
Zn + N2 = Zn3N2 =>
3 Zn + N2 = Zn3N2
HNO3 + NH3 = NH3(NO3) + H =>
HNO3 + NH3 = NH3(NO3) + H
C + MnCO3 + H2O = Mn + HCO3 =>
C + 5 MnCO3 + 3 H2O = 5 Mn + 6 HCO3
SrSO3 + HCH3COO = Sr(CH3COO)2 + H2O + SO2 =>
SrSO3 + 2 HCH3COO = Sr(CH3COO)2 + H2O + SO2
C13H14 + O2 = CO2 + H2O =>
2 C13H14 + 33 O2 = 26 CO2 + 14 H2O
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