| Équations équilibrées la veille |
2 Cr + 3 H2SO4 = Cr2(SO4)3 + 3 H2
Li3PO4 + NaBr = Na3PO4 + LiBr =>
Li3PO4 + 3 NaBr = Na3PO4 + 3 LiBr
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
Al2(CO3)3 + Ca(OH)2 = Al(OH)3 + CaCO3 =>
Al2(CO3)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaCO3
BrO3 + H2O = Br2 + OH =>
2 BrO3 + 6 H2O = Br2 + 12 OH
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C4H9Br + C2H5OK = C4H8 + H2O + KBr =>
2 C4H9Br + 2 C2H5OK = 3 C4H8 + 2 H2O + 2 KBr
KOH(aq) + NH4Cl(aq) = KCl(s) + NH4OH =>
KOH(aq) + NH4Cl(aq) = KCl(s) + NH4OH
Cr + Fe(NO3)2 = Fe + Cr(NO3)3 =>
2 Cr + 3 Fe(NO3)2 = 3 Fe + 2 Cr(NO3)3
Cr + Cl2 = CrCl3 =>
2 Cr + 3 Cl2 = 2 CrCl3
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
Ag2O + NaPO3 = Ag + NaPO4 =>
Ag2O + NaPO3 = 2 Ag + NaPO4
CrO3 + H2S + H{+} = Cr3{+} + S + H2O =>
6 CrO3 + 17 H2S + 2 H{+} = 2 Cr3{+} + 17 S + 18 H2O
CH4 + O = CH + H2O =>
2 CH4 + 3 O = 2 CH + 3 H2O
CO2 + KO = CO + KO2 =>
CO2 + KO = CO + KO2
HCN + Sr(OH)2 = H2O + Sr(CN)2 =>
2 HCN + Sr(OH)2 = 2 H2O + Sr(CN)2
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
Pb(NO3)2 + AnswerH2S = AnswerPbS + HNO3 =>
Pb(NO3)2 + AnswerH2S = AnswerPbS + 2 HNO3
Al2(CO3)3 + H2O = Al(OH)3 + CO2 =>
Al2(CO3)3 + 3 H2O = 2 Al(OH)3 + 3 CO2
Cr + Cl2 = CrCl3 =>
2 Cr + 3 Cl2 = 2 CrCl3
Cr + SnCl4 = CrCl3 + Sn =>
4 Cr + 3 SnCl4 = 4 CrCl3 + 3 Sn
Cr + H2SO4 = Cr2(SO4)3 + H2 =>
2 Cr + 3 H2SO4 = Cr2(SO4)3 + 3 H2
N2H4 + NaOCl = NaCl + N2 + H2O =>
N2H4 + 2 NaOCl = 2 NaCl + N2 + 2 H2O
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
NaF + Al2(SO4)3 = Na2SO4 + Na3[AlF6] =>
12 NaF + Al2(SO4)3 = 3 Na2SO4 + 2 Na3[AlF6]
SiCl4 + Mg = Si + MgCl2 =>
SiCl4 + 2 Mg = Si + 2 MgCl2
V + O = V2O5 =>
2 V + 5 O = V2O5
Ba + H2O = Ba(OH)2 + H =>
Ba + 2 H2O = Ba(OH)2 + 2 H
Na + Fe(NO3)3 = Na(NO3)3 + Fe =>
Na + Fe(NO3)3 = Na(NO3)3 + Fe
Cr + SnCl4 = CrCl3 + Sn =>
4 Cr + 3 SnCl4 = 4 CrCl3 + 3 Sn
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaF + Al2(SO4)3 = Na2SO4 + Na3[AlF6] =>
12 NaF + Al2(SO4)3 = 3 Na2SO4 + 2 Na3[AlF6]
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
CH2(NH2)COOH + O2 = CO2 + N2 + (H2)O =>
4 CH2(NH2)COOH + 9 O2 = 8 CO2 + 2 N2 + 10(H2)O
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
Ca(OH)2 + H3Po4 = Ca3(Po4)2 + H2O =>
3 Ca(OH)2 + 2 H3Po4 = Ca3(Po4)2 + 6 H2O
FeSO4 + O2 = FeO3 + SO4 =>
2 FeSO4 + 3 O2 = 2 FeO3 + 2 SO4
H2SO4 + Pb4 = Pb(SO4)2 + H2 =>
8 H2SO4 + Pb4 = 4 Pb(SO4)2 + 8 H2
Cr + SnCl4 = CrCl3 + Sn =>
4 Cr + 3 SnCl4 = 4 CrCl3 + 3 Sn
ZnBr2 + NH4 + OH = Zn(OH)2 + NH4Br =>
ZnBr2 + 2 NH4 + 2 OH = Zn(OH)2 + 2 NH4Br
NiCl2 + Na2(SO4) = Ni(SO4) + ClNa =>
NiCl2 + Na2(SO4) = Ni(SO4) + 2 ClNa
Rb3PO4 + Sn(NO3)4 = Sn3(PO4)4 + RbNO3 =>
4 Rb3PO4 + 3 Sn(NO3)4 = Sn3(PO4)4 + 12 RbNO3
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
NO + CO = N + CO2 =>
NO + CO = N + CO2
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
K2MnO4 + FeSO4 + H2SO4 = K2SO4 + Fe2(SO4)3 + MnSO4 + H2O =>
K2MnO4 + 4 FeSO4 + 4 H2SO4 = K2SO4 + 2 Fe2(SO4)3 + MnSO4 + 4 H2O
CaF2 + Li2SO4 = CaSO4 + LiF =>
CaF2 + Li2SO4 = CaSO4 + 2 LiF
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Équations équilibrées sur01/04/25
Équations équilibrées sur02/03/24
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