Équations équilibrées la veille |
2 PBO(s) + C(s) = 2 PB(s) + CO2(g)
O + H2 = H2O56 =>
56 O + H2 = H2O56
Al(s) + KOH(aq) + H2SO(aq) + H2O(l) = KAl(SO4)2*12H2O(s) + H2(g) =>
2 Al(s) + 2 KOH(aq) + 4 H2SO(aq) + 34 H2O(l) = 2 KAl(SO4)2*12H2O(s) + 15 H2(g)
Cr(OH)3 + NaBrO3 = Cr(BrO3)3 + NaOH =>
Cr(OH)3 + 3 NaBrO3 = Cr(BrO3)3 + 3 NaOH
HNO3 + FeO3 = Fe(NO3)2 + H2O + O2 =>
2 HNO3 + FeO3 = Fe(NO3)2 + H2O + O2
HCl + CuCl2 = CuH + Cl2 =>
2 HCl + 2 CuCl2 = 2 CuH + 3 Cl2
Ca(OH)2 + NH3*H2O = [Ca(NH3)4](OH)2 + H2O =>
Ca(OH)2 + 4 NH3*H2O = [Ca(NH3)4](OH)2 + 4 H2O
K + Cl(g) = KCl =>
K + Cl(g) = KCl
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
MnSO4 + K2FeO4 + H2SO4 = KMnO4 + Fe2(SO4)3 + K2SO4 + H2O =>
6 MnSO4 + 10 K2FeO4 + 16 H2SO4 = 6 KMnO4 + 5 Fe2(SO4)3 + 7 K2SO4 + 16 H2O
S2O2 + Li2Se = S2Se2 + Li2O =>
S2O2 + 2 Li2Se = S2Se2 + 2 Li2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
FeCl3 + H2SO4 + NaOH = Fe(OH)3 + HCl + Na2SO4 =>
2 FeCl3 + 3 H2SO4 + 6 NaOH = 2 Fe(OH)3 + 6 HCl + 3 Na2SO4
(CH3)2C(OH)CN = CH2C(CH3)CONH2 =>
(CH3)2C(OH)CN = CH2C(CH3)CONH2
Ag3PF6 + Re(CO)5Br + CH3CN + K2S2O3 = Br + [Re(CO)5(CH3CN)3]PF6 + Ag2S + K2O + SO2 =>
2 Ag3PF6 + 2 Re(CO)5Br + 6 CH3CN + 3 K2S2O3 = 2 Br + 2[Re(CO)5(CH3CN)3]PF6 + 3 Ag2S + 3 K2O + 3 SO2
Cu(s) + Ag(NO3) = Ag(s) + Cu(NO3)2 =>
Cu(s) + 2 Ag(NO3) = 2 Ag(s) + Cu(NO3)2
BeS + Al = Al2S3 + Be =>
3 BeS + 2 Al = Al2S3 + 3 Be
C12H22O11(s)(sucrose) + O2 = CO2(s) + H2O(l) =>
C12H22O11(s)(sucrose) + 12 O2 = 12 CO2(s) + 11 H2O(l)
HNO3 + Fe2O3 = Fe(NO3)3 + H2O =>
6 HNO3 + Fe2O3 = 2 Fe(NO3)3 + 3 H2O
CuS + FeCl3 = CuCl2 + Fe2S3 =>
3 CuS + 2 FeCl3 = 3 CuCl2 + Fe2S3
Ag(NO3) + NaOH = AgOH + Na(NO3) =>
Ag(NO3) + NaOH = AgOH + Na(NO3)
C3H8O(l) + O2(g) = CO2(g) + H2O(g) =>
2 C3H8O(l) + 9 O2(g) = 6 CO2(g) + 8 H2O(g)
HCl + Na2CO3 = CO2 + H2O + NaCl =>
2 HCl + Na2CO3 = CO2 + H2O + 2 NaCl
Ni(OH)3 + NaOH = NiO3H2 + NaOH2 =>
Ni(OH)3 + NaOH = NiO3H2 + NaOH2
KBr + K2CrO7 + H2SO4 = Br2 + K2SO4 + Cr2(SO4)3 + H2O =>
18 KBr + 2 K2CrO7 + 14 H2SO4 = 9 Br2 + 11 K2SO4 + Cr2(SO4)3 + 14 H2O
Kl + Na2CO3 = Na2Kl + CO3 =>
Kl + Na2CO3 = Na2Kl + CO3
K2Cr2O4 + HCl + SnCl3 = SnCl4 + Cr2Cl3 + K2Cl2 + H2O =>
K2Cr2O4 + 8 HCl + 3 SnCl3 = 3 SnCl4 + Cr2Cl3 + K2Cl2 + 4 H2O
Mg + HCe = MgCe + H2 =>
2 Mg + 2 HCe = 2 MgCe + H2
Zn + I2 = ZnI2 =>
Zn + I2 = ZnI2
H + C + N = HNC =>
H + C + N = HNC
Cu2CO3(OH)2(s) = CuO(s) + H2O(l) + CO2(g) =>
Cu2CO3(OH)2(s) = 2 CuO(s) + H2O(l) + CO2(g)
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
HClO3 + HCl = Cl2 + H2O =>
HClO3 + 5 HCl = 3 Cl2 + 3 H2O
C17H33COOH + HBr = C17H34BrCOOH =>
C17H33COOH + HBr = C17H34BrCOOH
MgNH4PO4*6H2O = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4*6H2O = Mg2P2O7 + 2 NH3 + 13 H2O
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
Ag2O + HBr = AgBr + H2O =>
Ag2O + 2 HBr = 2 AgBr + H2O
Ba(NO3)2 + H3PO4 = Ba(PO4)2 + H2O + HNO2 =>
Ba(NO3)2 + 2 H3PO4 = Ba(PO4)2 + 2 H2O + 2 HNO2
C7H12 + H2 = C7H12H2 =>
C7H12 + H2 = C7H12H2
Pb(NO3)2(aq) + K2(CO3)(aq) = KNO3(aq) + Pb(CO3)(s) =>
Pb(NO3)2(aq) + K2(CO3)(aq) = 2 KNO3(aq) + Pb(CO3)(s)
AlCl3(aq) + NH4OH(aq) = Al(OH)3(s) + NH4Cl(aq) =>
AlCl3(aq) + 3 NH4OH(aq) = Al(OH)3(s) + 3 NH4Cl(aq)
HNO2 + Ra(OH)2 = Ra(NO2)2 + HOH =>
2 HNO2 + Ra(OH)2 = Ra(NO2)2 + 2 HOH
Fe(CrO2)2 + CO3Na2 + O2 = Fe2O3 + CrO4Na2 + CO2 =>
4 Fe(CrO2)2 + 8 CO3Na2 + 7 O2 = 2 Fe2O3 + 8 CrO4Na2 + 8 CO2
Co(ClO3)2 = Co(ClO2)2 + O2 =>
Co(ClO3)2 = Co(ClO2)2 + O2
CaCO3 + Cl = CaCl + CO2 + O =>
CaCO3 + Cl = CaCl + CO2 + O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
Zn + KNO3 + KOH + H2O = K2[Zn(OH)4] + NH3 =>
4 Zn + KNO3 + 7 KOH + 6 H2O = 4 K2[Zn(OH)4] + NH3
K2Cr2O7 + S + HCl = SO2 + CrCl3 + H2O + KCl =>
2 K2Cr2O7 + 3 S + 16 HCl = 3 SO2 + 4 CrCl3 + 8 H2O + 4 KCl
NaOH + MgCl2 = Mg + OH + NaCl =>
2 NaOH + MgCl2 = Mg + 2 OH + 2 NaCl
As2S3 + AgNO3 + HNO3 = Ag3AsS3 + H3AsO4 + NO2 + SO2 =>
5 As2S3 + 12 AgNO3 + 18 HNO3 = 4 Ag3AsS3 + 6 H3AsO4 + 30 NO2 + 3 SO2
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