| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 K2CrO4 + 6 KI + 16 HCl = 2 CrCl3 + 10 KCl + 3 I2 + 8 H2O
P4 + Ca(OH)2 + H2O = Ca(H2PO4)2 + PH3 =>
4 P4 + 3 Ca(OH)2 + 18 H2O = 3 Ca(H2PO4)2 + 10 PH3
C42H70O35 + O2 = CO2 + H2O =>
C42H70O35 + 42 O2 = 42 CO2 + 35 H2O
Sb2O4 = Sb + O2 =>
Sb2O4 = 2 Sb + 2 O2
K2Cr2O7 + HClO2 + H2SO4 = Cr2(SO4)3 + H2O + KClO4 + K2SO4 =>
4 K2Cr2O7 + 6 HClO2 + 13 H2SO4 = 4 Cr2(SO4)3 + 16 H2O + 6 KClO4 + K2SO4
HSO3Cl + NH3 = H3SO3Cl(NH2)2 =>
HSO3Cl + 2 NH3 = H3SO3Cl(NH2)2
CaHPO4 + NaHSO4 = NaH2PO4 + CaSO4 =>
CaHPO4 + NaHSO4 = NaH2PO4 + CaSO4
CuSO4 + NH4OH = (Cu(NH3)6)SO4 + H2O =>
CuSO4 + 6 NH4OH = (Cu(NH3)6)SO4 + 6 H2O
Cu(II)CO3 = Cu(II)O + CO2 =>
Cu(II)CO3 = Cu(II)O + CO2
NaHCO3 + CH3COO = CO2 + Na + CH4 =>
2 NaHCO3 + 6 CH3COO = 9 CO2 + 2 Na + 5 CH4
NaBrO4 + HBr = Br2 + H2O + NaBr =>
NaBrO4 + 8 HBr = 4 Br2 + 4 H2O + NaBr
C2H5OH + H2O = C2H14O2 + CO2 =>
3 C2H5OH + 5 H2O = 2 C2H14O2 + 2 CO2
Na2CrO4 + Zn(ClO3)2 = NaClO3 + ZnCrO4 =>
Na2CrO4 + Zn(ClO3)2 = 2 NaClO3 + ZnCrO4
Sb2S3 + HCl + H2O = SbCl4 + H3O + H2S =>
Sb2S3 + 8 HCl + 2 H2O = 2 SbCl4 + 2 H3O + 3 H2S
CuSO4 + Ba(OH)2 = BaSO4 + Cu(OH)2 =>
CuSO4 + Ba(OH)2 = BaSO4 + Cu(OH)2
H2CO3 + Al = H2 + Al2(CO3)3 =>
3 H2CO3 + 2 Al = 3 H2 + Al2(CO3)3
Zn(OH)2 + HPO2 = Zn(PO2)2 + H2O =>
Zn(OH)2 + 2 HPO2 = Zn(PO2)2 + 2 H2O
CH + O2 = C4O + H2O =>
8 CH + 3 O2 = 2 C4O + 4 H2O
FeO + Na2O2 = NaFeO2 =>
2 FeO + Na2O2 = 2 NaFeO2
La100(N100O300)3*6H200O100 + Ca100(N100O300)2*4H200O100 + Ni100(N100O300)2*6H200O100 + Fe100(N100O300)3*9H200O100 = La700Ca300Ni300Fe700O300 + N100O100 + O200 + H200O100 =>
14 La100(N100O300)3*6H200O100 + 6 Ca100(N100O300)2*4H200O100 + 6 Ni100(N100O300)2*6H200O100 + 14 Fe100(N100O300)3*9H200O100 = 2 La700Ca300Ni300Fe700O300 + 108 N100O100 + 105 O200 + 270 H200O100
CaZnSO4 = ZnCaSO4 =>
CaZnSO4 = ZnCaSO4
SCl4 + HNO3 = HCl2 + H2SO4 + NO2 =>
SCl4 + 4 HNO3 = 2 HCl2 + H2SO4 + 4 NO2
C6H6 + CH3Cl = C7H9Cl =>
C6H6 + CH3Cl = C7H9Cl
Fe + H2SO4 + KMnO4 = Fe2(SO4)3 + H2O + K2SO4 + MnSO4 =>
10 Fe + 24 H2SO4 + 6 KMnO4 = 5 Fe2(SO4)3 + 24 H2O + 3 K2SO4 + 6 MnSO4
KOH + O3 = KO3 + H2O =>
6 KOH + 5 O3 = 6 KO3 + 3 H2O
Mg(OH)2 + H2O = OH + HMg(OH)2 =>
Mg(OH)2 + H2O = OH + HMg(OH)2
C6H10O8 + H2 = C6H10O4 + H2O =>
C6H10O8 + 4 H2 = C6H10O4 + 4 H2O
VO2 + HCl = VCl2 + H2O + Cl2 =>
VO2 + 4 HCl = VCl2 + 2 H2O + Cl2
NaOH + H2XSO4 = Na2XSO4 + H2O =>
2 NaOH + H2XSO4 = Na2XSO4 + 2 H2O
C4H8HBr = C4BrH9 =>
C4H8HBr = C4BrH9
Ba(CH3COO)2Na2SO4 = BaSO4Na2(CH3COO)2 =>
Ba(CH3COO)2Na2SO4 = BaSO4Na2(CH3COO)2
Ag + NaPO{-3} = AgPO{-3} + Na =>
Ag + NaPO{-3} = AgPO{-3} + Na
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 = CaSPO4 + H3PO4 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
Cr(OH)3 + HBr = Cr(OH)3Br2 + H2 =>
Cr(OH)3 + 2 HBr = Cr(OH)3Br2 + H2
(NH4)2CO3 + HNO2 = NH4NO2 + CO2 + H2O =>
(NH4)2CO3 + 2 HNO2 = 2 NH4NO2 + CO2 + H2O
C2H2(g) + O = CO2(g) + H2O(l) =>
C2H2(g) + 5 O = 2 CO2(g) + H2O(l)
KOH + H2 = K + HOH =>
2 KOH + H2 = 2 K + 2 HOH
HNO3 + As2O3 + H2O = H3AsO4 + NO2 =>
4 HNO3 + As2O3 + H2O = 2 H3AsO4 + 4 NO2
Zn(NO3)2 + MgCl2 = ZnMg + NO3Cl =>
Zn(NO3)2 + MgCl2 = ZnMg + 2 NO3Cl
BaC2O4 + HCl = HC2O4 + ClBa =>
BaC2O4 + HCl = HC2O4 + ClBa
K2CrO4 + HI + HClO4 = Cr(ClO4)3 + I2 + KClO4 + H2O =>
2 K2CrO4 + 6 HI + 10 HClO4 = 2 Cr(ClO4)3 + 3 I2 + 4 KClO4 + 8 H2O
K2CO3(aq) + SnCl4(aq) = KCl(aq) + Sn(CO3)2 =>
2 K2CO3(aq) + SnCl4(aq) = 4 KCl(aq) + Sn(CO3)2
C6H6 + CH3Cl = C7H9Cl =>
C6H6 + CH3Cl = C7H9Cl
VOSO4 + NaOH = V(OH)2 + Na2SO4 + VO2SO4 =>
2 VOSO4 + 2 NaOH = V(OH)2 + Na2SO4 + VO2SO4
CH + O2 = C4O + H2O =>
8 CH + 3 O2 = 2 C4O + 4 H2O
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
Li2CO3 + HBr = Li2HBr + CO3 =>
Li2CO3 + HBr = Li2HBr + CO3
K2CrO4 + H2SO4 + KI = CrSO4 + I2 + K2SO4 + H2O =>
K2CrO4 + 4 H2SO4 + 4 KI = CrSO4 + 2 I2 + 3 K2SO4 + 4 H2O
CaCl2*H2O + Na2CO3 = NaCl + CaCO3 + H2O =>
CaCl2*H2O + Na2CO3 = 2 NaCl + CaCO3 + H2O
Li3(PO4)NaOH = Li3OHNa(PO4) =>
Li3(PO4)NaOH = Li3OHNa(PO4)
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