Équations équilibrées la veille |
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
C6H6O2 + O2 = CO2 + H2O =>
2 C6H6O2 + 13 O2 = 12 CO2 + 6 H2O
Al2(SO4)3 + Ba(OH)2 = Al(OH)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 BaSO4
Nb + NbCl5 = Nb3Cl8 =>
7 Nb + 8 NbCl5 = 5 Nb3Cl8
Au + BrF3 + KF = Br2 + KAuF4 =>
2 Au + 2 BrF3 + 2 KF = Br2 + 2 KAuF4
Fe + FeCl3 = FeCl =>
2 Fe + FeCl3 = 3 FeCl
HClO = Cl2 + O2 + H2O =>
4 HClO = 2 Cl2 + O2 + 2 H2O
KMnO4 + NaOH = O2 + K2MnO4 + Na2MnO4 + H2O =>
4 KMnO4 + 4 NaOH = O2 + 2 K2MnO4 + 2 Na2MnO4 + 2 H2O
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
AgNO3(aq) + CaI2(aq) = AgI(s) + Ca(NO3)2(aq) =>
2 AgNO3(aq) + CaI2(aq) = 2 AgI(s) + Ca(NO3)2(aq)
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
C3H5N3O9(l) = CO2(g) + H2O(g) + N2(g) + O2(g) =>
4 C3H5N3O9(l) = 12 CO2(g) + 10 H2O(g) + 6 N2(g) + O2(g)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NaO + HCl = NaCl + H2 + O2 =>
2 NaO + 2 HCl = 2 NaCl + H2 + O2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
LiOH + CuSO4 = Li2SO4 + Cu(OH)2 =>
2 LiOH + CuSO4 = Li2SO4 + Cu(OH)2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
Al + H2(SO4) = Al2(SO4)3 + H2 =>
2 Al + 3 H2(SO4) = Al2(SO4)3 + 3 H2
C9H8O4 + O2 = CO2 + H2O =>
C9H8O4 + 9 O2 = 9 CO2 + 4 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
Ni + HClO4 = Ni(ClO4) + H2 =>
2 Ni + 2 HClO4 = 2 Ni(ClO4) + H2
Zn + AgSO4 = Ag + ZnSO4 =>
Zn + AgSO4 = Ag + ZnSO4
Sb2S3 + HCl = SbCl3 + H2S =>
Sb2S3 + 6 HCl = 2 SbCl3 + 3 H2S
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
HBr + MnO2 = MnBr2 + H2O + Br2 =>
4 HBr + MnO2 = MnBr2 + 2 H2O + Br2
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
As2O3 + C = As + CO =>
As2O3 + 3 C = 2 As + 3 CO
Ge + H2 = GeH4 =>
Ge + 2 H2 = GeH4
Cu3(PO4)2 + Ni = Ni3(PO4)2 + Cu =>
Cu3(PO4)2 + 3 Ni = Ni3(PO4)2 + 3 Cu
Mg(OH)2 + NaOH = Na2[Mg(OH)4] =>
Mg(OH)2 + 2 NaOH = Na2[Mg(OH)4]
MgCl2 + NaHPO4 + NH3 = NaCl2 + MgNH4PO4 =>
MgCl2 + NaHPO4 + NH3 = NaCl2 + MgNH4PO4
CH3COOH + HNO3 = CH3CONO3 + H2O =>
CH3COOH + HNO3 = CH3CONO3 + H2O
MnO + RuO2 = Mn2Ru3O8 =>
2 MnO + 3 RuO2 = Mn2Ru3O8
KCl + H2O = KOH + HCl =>
KCl + H2O = KOH + HCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
Mg(s) + HC2H3O2(aq) = MgC2H3O2(l) + H2(g) =>
2 Mg(s) + 2 HC2H3O2(aq) = 2 MgC2H3O2(l) + H2(g)
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
HClO = Cl2 + O2 + H2O =>
4 HClO = 2 Cl2 + O2 + 2 H2O
AgF + Na2S = Ag2S + NaF =>
2 AgF + Na2S = Ag2S + 2 NaF
PB(CH3COO)2(ac) + HCl(ac) = PBCl2(s) + CH3COOH(ac) =>
PB(CH3COO)2(ac) + 2 HCl(ac) = PBCl2(s) + 2 CH3COOH(ac)
C2H5COOH + CH3OH = C3H7COOCH3 + H2O =>
C2H5COOH + 2 CH3OH = C3H7COOCH3 + 2 H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
Ni + CuSO4 = Cu2 + NiSO4 =>
2 Ni + 2 CuSO4 = Cu2 + 2 NiSO4
HClO = Cl2 + O2 + H2O =>
4 HClO = 2 Cl2 + O2 + 2 H2O
NH3 + O2 = H2O + NO =>
4 NH3 + 5 O2 = 6 H2O + 4 NO
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