Équations équilibrées la veille |
Mg + 2 HCl(aq) = MgCl2 + H2
NaCH3COO + HCl = NaCl + HCH3COO =>
NaCH3COO + HCl = NaCl + HCH3COO
C2H6O + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H6O + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
Cr2O7{2-} + NO2{-} + H{+} = NO3{-} + Cr{3+} + H2O =>
Cr2O7{2-} + 3 NO2{-} + 8 H{+} = 3 NO3{-} + 2 Cr{3+} + 4 H2O
Na2Cr2O + H2SO4 = Na2SO4 + Cr2 + H2O =>
Na2Cr2O + H2SO4 = Na2SO4 + Cr2 + H2O
Na2SO3 + Ba(NO3)2 = Na2NO3 + Ba(SO3)2 =>
2 Na2SO3 + Ba(NO3)2 = 2 Na2NO3 + Ba(SO3)2
HCl(aq) + NaHCO3(s) = CO2(g) + H2O(l) + NaCl(aq) =>
HCl(aq) + NaHCO3(s) = CO2(g) + H2O(l) + NaCl(aq)
NaCl(s) + F2(g) = NaF(s) + Cl2(g) =>
2 NaCl(s) + F2(g) = 2 NaF(s) + Cl2(g)
HCl + NOH = H2O + NCl =>
HCl + NOH = H2O + NCl
CaCO3 + HCOOH = H2O + CaCOOH + CO2 =>
2 CaCO3 + 3 HCOOH = 2 H2O + 2 CaCOOH + 3 CO2
NaNO2 + KMnO2 + H2SO4 = NO2 + K2SO4 + Na2SO4 + MnSO4 + H2O =>
2 NaNO2 + 2 KMnO2 + 4 H2SO4 = 2 NO2 + K2SO4 + Na2SO4 + 2 MnSO4 + 4 H2O
NaHPO4 + Ca(OH)2 = Ca(HPO4)2 + NaOH =>
2 NaHPO4 + Ca(OH)2 = Ca(HPO4)2 + 2 NaOH
NiO2 + NaOH = Ni(OH)2 + NaO =>
NiO2 + 2 NaOH = Ni(OH)2 + 2 NaO
Ba + Mg(NO3)2 = Ba(NO3)2 + Mg =>
Ba + Mg(NO3)2 = Ba(NO3)2 + Mg
Cr2O7 + FeSO4 + H = Cr2(SO4)3 + H2O + Fe2O3 =>
2 Cr2O7 + 6 FeSO4 + 10 H = 2 Cr2(SO4)3 + 5 H2O + 3 Fe2O3
In(NO3)3 = In2O3 + NO2 + O2 =>
4 In(NO3)3 = 2 In2O3 + 12 NO2 + 3 O2
ClO + S2O3 = Cl + SO4 =>
5 ClO + S2O3 = 5 Cl + 2 SO4
BaCO3 + Y2O3 + Nb2O5 = Ba2YNbO6 + CO2 =>
4 BaCO3 + Y2O3 + Nb2O5 = 2 Ba2YNbO6 + 4 CO2
NbCl5 + Nb + Te = Nb3Cl7Te =>
7 NbCl5 + 8 Nb + 5 Te = 5 Nb3Cl7Te
NiCl2(aq) + Ba(NO3)2(aq) = Ni(NO3)2 + BaCl2 =>
NiCl2(aq) + Ba(NO3)2(aq) = Ni(NO3)2 + BaCl2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
CH3CI + O2 = CO2 + H2O + CI2 =>
4 CH3CI + 9 O2 = 6 CO2 + 6 H2O + 2 CI2
LiAlH4 + HCl + H2O = Al(OH)2Cl + LiCl + H2 =>
LiAlH4 + 2 HCl + 2 H2O = Al(OH)2Cl + LiCl + 4 H2
C3H5O(COOH)3(aq) + NaOH(aq) = Na3C3H5O(COO)3(aq) + H2O(l) =>
C3H5O(COOH)3(aq) + 3 NaOH(aq) = Na3C3H5O(COO)3(aq) + 3 H2O(l)
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
C5H9(OH)3 + O2 = C + H2O =>
2 C5H9(OH)3 + 3 O2 = 10 C + 12 H2O
Ra(OH)2 = RaO + H2O =>
Ra(OH)2 = RaO + H2O
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 6 Cl
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
ZnS + KCl = ZnCl + KS =>
ZnS + KCl = ZnCl + KS
Zn(s) + Br2(l) = ZnBr2(s) =>
Zn(s) + Br2(l) = ZnBr2(s)
Sc2O3 + NH4HF2 = ScF3 + NH4F + H2O =>
Sc2O3 + 6 NH4HF2 = 2 ScF3 + 6 NH4F + 3 H2O
Al(OH)3(s) + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3(s) + 3 H2SO4 = Al2(SO4)3 + 6 H2O
K3Fe(C2O4)3 + KMnO4 + H2SO4 = CO2 + Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 K3Fe(C2O4)3 + 12 KMnO4 + 48 H2SO4 = 60 CO2 + 5 Fe2(SO4)3 + 12 MnSO4 + 21 K2SO4 + 48 H2O
KMnO4 + H2SO4 + NaCl = NaHSO4 + KHSO4 + MnSO4 + Cl2 + H2O =>
2 KMnO4 + 14 H2SO4 + 10 NaCl = 10 NaHSO4 + 2 KHSO4 + 2 MnSO4 + 5 Cl2 + 8 H2O
AlO2 = AlO + O2 =>
2 AlO2 = 2 AlO + O2
Sr(OH)2 + H2SO4 = SrSO4 + H2(OH)2 =>
Sr(OH)2 + H2SO4 = SrSO4 + H2(OH)2
KIO3 + KI = K2O3 + I =>
KIO3 + KI = K2O3 + 2 I
CuCl2 + AgNO3 = Cu(NO3)2 + AgCl =>
CuCl2 + 2 AgNO3 = Cu(NO3)2 + 2 AgCl
HgO{+2} = Hg{+2} + O2 =>
2 HgO{+2} = 2 Hg{+2} + O2
KHSO3 + H2SO4 = KH2SO4 + HSO3 =>
KHSO3 + H2SO4 = KH2SO4 + HSO3
K2CO3 + H2SO4 = K2SO4 + H2O + CO2 =>
K2CO3 + H2SO4 = K2SO4 + H2O + CO2
Br2O5 + NaOH = H2O + BrNaO3 =>
Br2O5 + 2 NaOH = H2O + 2 BrNaO3
Ni3N = Ni + N =>
Ni3N = 3 Ni + N
Mg(SO4)2 + NaOH = Mg(OH)2 + Na(SO4) =>
Mg(SO4)2 + 2 NaOH = Mg(OH)2 + 2 Na(SO4)
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H2 + Mg(NO3)2 = MgO + NO2 + H2O =>
H2 + Mg(NO3)2 = MgO + 2 NO2 + H2O
K2Cr2O7 + C2H5OH + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 3 C2H5OH + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O
Cu + Fe + S = CuFeS2 =>
Cu + Fe + 2 S = CuFeS2
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