Équations équilibrées la veille |
K2Cr2O7 + 6 KJ + 7 H2SO4 = Cr2(SO4)3 + 3 J2 + 4 K2SO4 + 7 H2O
CaCl2 + NaH2PO4 = Ca3(PO4)2 + NaCl + HCl =>
3 CaCl2 + 2 NaH2PO4 = Ca3(PO4)2 + 2 NaCl + 4 HCl
Na3PO4 + H2SO4 = Na2SO4 + H3PO4 =>
2 Na3PO4 + 3 H2SO4 = 3 Na2SO4 + 2 H3PO4
CH3COOH + LiOH = H2O + LiC2H3O2 =>
CH3COOH + LiOH = H2O + LiC2H3O2
C7H14O + O2 = CO + H2O =>
2 C7H14O + 13 O2 = 14 CO + 14 H2O
Li3BO3 = Li + BO3 =>
Li3BO3 = 3 Li + BO3
C2H5Cl + H2N = C2H7N + Cl =>
C2H5Cl + H2N = C2H7N + Cl
SO3 + H2SO4 = H2S2O7 =>
SO3 + H2SO4 = H2S2O7
FeSO4 + K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + K2SO4 =>
3 FeSO4 + 2 K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + 3 K2SO4
*2Fe + *3H2SO4 = Fe(SO4)3 + *3H2 =>
*2Fe + 2*3H2SO4 = 2 Fe(SO4)3 + 2*3H2
CO3 + H = CO2 + H2O =>
CO3 + 2 H = CO2 + H2O
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3* =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3*
I2(s) + C2H5OH(ac) = HI + H2O + C2H2 =>
I2(s) + C2H5OH(ac) = 2 HI + H2O + C2H2
Ba(NO3)2 + KSCN = Ba(SCN)2 + KNO3 =>
Ba(NO3)2 + 2 KSCN = Ba(SCN)2 + 2 KNO3
Dy(A2H)3 + HNO3 = Dy(NO3)3 + H2A2 =>
Dy(A2H)3 + 3 HNO3 = Dy(NO3)3 + 3 H2A2
Sr + AuNO3 = Sr(NO3)2 + Au =>
Sr + 2 AuNO3 = Sr(NO3)2 + 2 Au
AsBr3 + K2Cr2O7 + H2SO4 = HBrO3 + H4As2O7 + Cr2(SO4)3 + K2SO4 + H2O =>
6 AsBr3 + 20 K2Cr2O7 + 80 H2SO4 = 18 HBrO3 + 3 H4As2O7 + 20 Cr2(SO4)3 + 20 K2SO4 + 65 H2O
MgCrO4 + HC2H3O2 = Mg + Cr2O7 + C2H3O2 + H2O =>
2 MgCrO4 + 2 HC2H3O2 = 2 Mg + Cr2O7 + 2 C2H3O2 + H2O
HCOOH + CUO = (HCOO)2CU + H2O =>
2 HCOOH + CUO = (HCOO)2CU + H2O
(NH4)2Cr2O7 + Pb(NO3)2 = PbCr2O7 + NH4NO3 =>
(NH4)2Cr2O7 + Pb(NO3)2 = PbCr2O7 + 2 NH4NO3
RbCl + ZnCl2 = Rb2ZnCl4 =>
2 RbCl + ZnCl2 = Rb2ZnCl4
K2Cr2O7 + FeSO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = 3 Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 7 H2O
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
Hg(NO3)2 + HCl = H(NO3) + HgCl2 =>
Hg(NO3)2 + 2 HCl = 2 H(NO3) + HgCl2
Sn(s) + P(s) = SnP2 =>
Sn(s) + 2 P(s) = SnP2
K2[HgI4] + AgNO3 = AgI + KNO3 + HgI2 =>
K2[HgI4] + 2 AgNO3 = 2 AgI + 2 KNO3 + HgI2
CH3COOH + LiOH = CH3COOLi + H2O =>
CH3COOH + LiOH = CH3COOLi + H2O
C6H12Br + C2H3KO2 = C8H15O2 + KBr =>
C6H12Br + C2H3KO2 = C8H15O2 + KBr
KI + CHCl3 + H2O + Cl2 = KCl + HCO3 + HI =>
12 KI + 2 CHCl3 + 6 H2O + 3 Cl2 = 12 KCl + 2 HCO3 + 12 HI
EB + O2 = EO + BO2 =>
2 EB + 3 O2 = 2 EO + 2 BO2
HCl + AgF = AgCl + HF =>
HCl + AgF = AgCl + HF
(NH4)CO3 + Fe(NO3)2 = Fe(CO3)2 + (NH4)(NO3) =>
2(NH4)CO3 + Fe(NO3)2 = Fe(CO3)2 + 2(NH4)(NO3)
Zn(NO3)2 + Ca(OH)2 = Zn(OH)2 + Ca(NO3)2 =>
Zn(NO3)2 + Ca(OH)2 = Zn(OH)2 + Ca(NO3)2
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
TiCl2 + HCl = TiCl4 + H2 =>
TiCl2 + 2 HCl = TiCl4 + H2
K2CO3 + NaHSO4 = K2SO4 + Na2SO4 + CO2 + H2O =>
K2CO3 + 2 NaHSO4 = K2SO4 + Na2SO4 + CO2 + H2O
Ba(OH)2(aq) + Na2SO4(aq) = NaOH(aq) + BaSO4(s) =>
Ba(OH)2(aq) + Na2SO4(aq) = 2 NaOH(aq) + BaSO4(s)
C8H18O + O2 = CO2 + H2O =>
C8H18O + 12 O2 = 8 CO2 + 9 H2O
LiFeO2 = Fe2O3 + Li2O =>
2 LiFeO2 = Fe2O3 + Li2O
CH3COOH + LiOH = CH3COOLi + H2O =>
CH3COOH + LiOH = CH3COOLi + H2O
Na[Sb(OH)4] + NaOH + AgNO3 = Ag + Na[Sb(OH)6] + NaNO3 =>
Na[Sb(OH)4] + 2 NaOH + 2 AgNO3 = 2 Ag + Na[Sb(OH)6] + 2 NaNO3
BaCl2 + KSO4 = KCl + Ba(SO4)2 =>
BaCl2 + 2 KSO4 = 2 KCl + Ba(SO4)2
Fe(OH)3 + HCl = H2O + FeCl3 =>
Fe(OH)3 + 3 HCl = 3 H2O + FeCl3
Fe + CrSO4 = FeSO4 + Cr =>
Fe + CrSO4 = FeSO4 + Cr
CH3C(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3C(CH2)6CH3 + 27 O2 = 18 CO2 + 18 H2O
HNO3(aq) + H3AsO3(aq) = NO(g) + H3AsO4(aq) + H2O(l) =>
2 HNO3(aq) + 3 H3AsO3(aq) = 2 NO(g) + 3 H3AsO4(aq) + H2O(l)
Al(OH)3 + H(BrO3) = Al(BrO3)3 + H2O =>
Al(OH)3 + 3 H(BrO3) = Al(BrO3)3 + 3 H2O
C2H5Cl + H2N = C2H7N + Cl =>
C2H5Cl + H2N = C2H7N + Cl
Cl + F = ClF3 =>
Cl + 3 F = ClF3
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