Équations équilibrées la veille |
Co(OH)2 + 4 S = CoS2 + SO2 + H2S
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
B + KOCl + KOH = K2B4O7 + KCl + H2O =>
4 B + 6 KOCl + 2 KOH = K2B4O7 + 6 KCl + H2O
HBr(ac) + NH3(ac) = NH4Br =>
HBr(ac) + NH3(ac) = NH4Br
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
Na + ZnSO4 = NaZnSO4 =>
Na + ZnSO4 = NaZnSO4
Na2SO4 + Cr2(SO4)3 + H2O = SO2 + Na2Cr2O7 + H2SO4 =>
Na2SO4 + Cr2(SO4)3 + H2O = 3 SO2 + Na2Cr2O7 + H2SO4
KHCO3 + H2SO4 = KHSO4 + H2O + CO2 =>
KHCO3 + H2SO4 = KHSO4 + H2O + CO2
PH3 + HBr = PH4Br =>
PH3 + HBr = PH4Br
Cr + KOH + H2O = K(Cr(OH)4) + H2 =>
2 Cr + 2 KOH + 6 H2O = 2 K(Cr(OH)4) + 3 H2
BaS + Na2CO3 = BaCO3 + Na2S =>
BaS + Na2CO3 = BaCO3 + Na2S
ClH7 = Cl2 + H2 =>
2 ClH7 = Cl2 + 7 H2
PBO2 + HCl = PBCl2 + Cl2 + H2O =>
PBO2 + 4 HCl = PBCl2 + Cl2 + 2 H2O
PH3 + HBr = PH4Br =>
PH3 + HBr = PH4Br
FeCl3 + NaBH4 + H2O = Fe2B + H2 + NaCl + B(OH)3 =>
4 FeCl3 + 12 NaBH4 + 30 H2O = 2 Fe2B + 39 H2 + 12 NaCl + 10 B(OH)3
Al2(SO4)3H2O + Ca(HCO3)2 = CaSO4 + Al(OH)3 + CO2 + H2O =>
Al2(SO4)3H2O + 3 Ca(HCO3)2 = 3 CaSO4 + 2 Al(OH)3 + 6 CO2 + H2O
(NH4)2 + CO3 + HCl = NH4Cl + H2O + CO2 =>
(NH4)2 + CO3 + 2 HCl = 2 NH4Cl + H2O + CO2
H2(SO3) + LiOH = H2O + Li2(SO3) =>
H2(SO3) + 2 LiOH = 2 H2O + Li2(SO3)
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
KOH + NH3 = H2O + K3N =>
3 KOH + NH3 = 3 H2O + K3N
Ba(OH)2 + HX = H2O + BaX2 =>
Ba(OH)2 + 2 HX = 2 H2O + BaX2
Cr(NO3)3 + ZnCl2 = CrCl3 + Zn(NO3)2 =>
2 Cr(NO3)3 + 3 ZnCl2 = 2 CrCl3 + 3 Zn(NO3)2
C7H26 + O2 = CO2 + H2O =>
2 C7H26 + 27 O2 = 14 CO2 + 26 H2O
HOCH2CH2OH + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2 =>
4 HOCH2CH2OH + 2 KMnO4 + 3 H2SO4 = 8 CO2 + 2 MnSO4 + K2SO4 + 15 H2
Fe + PdSO4 = Pd + Fe2(SO4)3 =>
2 Fe + 3 PdSO4 = 3 Pd + Fe2(SO4)3
Na2SO4Ba(NO3)2 = BaSO4 + NaNO3 =>
Na2SO4Ba(NO3)2 = BaSO4 + 2 NaNO3
CH3COOK + Na2CO3 = CH3COONa + K2CO3 =>
2 CH3COOK + Na2CO3 = 2 CH3COONa + K2CO3
Ca2Si + HCl = CaCl2 + SiH4 =>
Ca2Si + 4 HCl = 2 CaCl2 + SiH4
P2 + H3 = PH3 =>
P2 + 2 H3 = 2 PH3
Ni + Na2SO4 = NiSO4 + Na =>
Ni + Na2SO4 = NiSO4 + 2 Na
Ca(NO3)2 + Na2SO4 = CaSO4 + Na2(NO3)2 =>
Ca(NO3)2 + Na2SO4 = CaSO4 + Na2(NO3)2
Na2SO4 + Cr2(SO4)3 + H2O = SO2 + Na2Cr2O7 + H2SO4 =>
Na2SO4 + Cr2(SO4)3 + H2O = 3 SO2 + Na2Cr2O7 + H2SO4
Na2SO4(s) + HCl(aq) = NaCl(aq) + H2SO4(s) =>
Na2SO4(s) + 2 HCl(aq) = 2 NaCl(aq) + H2SO4(s)
HBrO3 + Cu = CuBrO3 + H2 =>
2 HBrO3 + 2 Cu = 2 CuBrO3 + H2
Si + F2 = SiF4 =>
Si + 2 F2 = SiF4
H2 + F2 = HF =>
H2 + F2 = 2 HF
C8H5OH + O2 = CO2 + H2O =>
C8H5OH + 9 O2 = 8 CO2 + 3 H2O
Al + I2 = AlI3 =>
2 Al + 3 I2 = 2 AlI3
Pb3O4(s) + H2(g) = Pb(s) + H2O(l) =>
Pb3O4(s) + 4 H2(g) = 3 Pb(s) + 4 H2O(l)
Al + I = AlI3 =>
Al + 3 I = AlI3
S + H2OSO4 = SO2 + H2O =>
S + H2OSO4 = 2 SO2 + H2O
K(OH) + Mg = Mg(OH)2 + K =>
2 K(OH) + Mg = Mg(OH)2 + 2 K
LiOH + H2S = LiS + H2(OH) =>
LiOH + H2S = LiS + H2(OH)
HO + IN = HN + IO =>
HO + IN = HN + IO
Mo + NaNO3 + NaOH = Na2MoO4 + NaNO2 + H2O =>
Mo + 3 NaNO3 + 2 NaOH = Na2MoO4 + 3 NaNO2 + H2O
Al + I2 = AlI3 =>
2 Al + 3 I2 = 2 AlI3
Al + I = AlI3 =>
Al + 3 I = AlI3
CsOH + NiSO4 = Cs2SO4 + Ni(OH)2 =>
2 CsOH + NiSO4 = Cs2SO4 + Ni(OH)2
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