Équations équilibrées la veille |
CaC2(s) + 2 H2O(l) = C2H2(g) + Ca(OH)2(ag)
H0O = H2O2 =>
2 H0O = H2O2
HCl + KHC4H4O6 = C4H6O6 + KCl =>
HCl + KHC4H4O6 = C4H6O6 + KCl
CH3Br + CH3ONa = NaBr + CH3CH2OH =>
CH3Br + CH3ONa = NaBr + CH3CH2OH
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
FeSO4 + HNO3 = NO + Fe(NO3)3 + H2SO4 + H2O =>
3 FeSO4 + 10 HNO3 = NO + 3 Fe(NO3)3 + 3 H2SO4 + 2 H2O
V2O5 + KI + HCl = VO2 + KCl + I2 + HOH =>
V2O5 + 2 KI + 2 HCl = 2 VO2 + 2 KCl + I2 + HOH
Mg(NO3)2 + H2 = H2NO3 + Mg =>
Mg(NO3)2 + 2 H2 = 2 H2NO3 + Mg
BeS + Br = BeBr + S =>
BeS + Br = BeBr + S
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
C3H7OHC2H5COOH = C2H5COOC3H7H2O =>
C3H7OHC2H5COOH = C2H5COOC3H7H2O
Cu + NH3 = [Cu(NH3)4] =>
Cu + 4 NH3 = [Cu(NH3)4]
CaS + HBr + I2 = CaBr2 + HI + S =>
CaS + 2 HBr + I2 = CaBr2 + 2 HI + S
Na2CO3 + PB(C2H3O2)2 = NaC2H3O2 + PBCO3 =>
Na2CO3 + PB(C2H3O2)2 = 2 NaC2H3O2 + PBCO3
Na2SO4 + Cu(II)Cl = Na2Cl + Cu(II)SO4 =>
Na2SO4 + Cu(II)Cl = Na2Cl + Cu(II)SO4
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
KI + KBrO3 + H{+} = I2 + KBr + K{+} + H2O =>
6 KI + KBrO3 + 6 H{+} = 3 I2 + KBr + 6 K{+} + 3 H2O
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Ni + HClO3 = Ni(ClO3)2 + H2 =>
Ni + 2 HClO3 = Ni(ClO3)2 + H2
H2SO4 + Sr(OH)2 = SrSO4 + H2O =>
H2SO4 + Sr(OH)2 = SrSO4 + 2 H2O
Ag + H3PO4 = Ag(PO4)3 + H =>
Ag + 3 H3PO4 = Ag(PO4)3 + 9 H
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Cu3(PO4)2 + Mg(NO3)2 = Cu(NO3)2 + Mg3(PO4)2 =>
Cu3(PO4)2 + 3 Mg(NO3)2 = 3 Cu(NO3)2 + Mg3(PO4)2
C9H19NO4 + CH3COCl = C15H25NO7 + HCl =>
C9H19NO4 + 3 CH3COCl = C15H25NO7 + 3 HCl
(CH3CO)2O + CH3CH2OH = CH3CO2CH2CH3 + CH3COOH =>
(CH3CO)2O + CH3CH2OH = CH3CO2CH2CH3 + CH3COOH
H2SO4 + Zn + KNO3 = KNO2 + ZnSO4 + H2O =>
H2SO4 + Zn + KNO3 = KNO2 + ZnSO4 + H2O
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
CaHPO4 + Ba(OH)2 = Ba3(PO4)2 + Ca3(PO4)2 + H2O =>
6 CaHPO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 2 Ca3(PO4)2 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
(NH4)2CO3HgO = (NH4)2OHgCO3 =>
(NH4)2CO3HgO = (NH4)2OHgCO3
Al(NO3)3 + NaF = NaNO3 + AlF3 =>
Al(NO3)3 + 3 NaF = 3 NaNO3 + AlF3
CH4 + O2 = CH3OH =>
2 CH4 + O2 = 2 CH3OH
NaOHKCI = NaCIKOH =>
NaOHKCI = NaCIKOH
AISO4 + KOH = AIOH + KSO4 =>
AISO4 + KOH = AIOH + KSO4
BF3 + NaF = NaBF4 =>
BF3 + NaF = NaBF4
Cr2(SO4)3 + Na2S2O8 + H2O = NaHSO4 + H2SO4 + H2Cr2O7 =>
Cr2(SO4)3 + 3 Na2S2O8 + 7 H2O = 6 NaHSO4 + 3 H2SO4 + H2Cr2O7
Pb(NO3)2 + K3Fe(CN)6 = Pb3Fe(CN)6 + K(NO3)2 =>
3 Pb(NO3)2 + K3Fe(CN)6 = Pb3Fe(CN)6 + 3 K(NO3)2
H2SO4 + K = K2SO4 + H2O + H2S =>
5 H2SO4 + 8 K = 4 K2SO4 + 4 H2O + H2S
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
P2O3 + KOH = [PO3]K3 + H2O =>
P2O3 + 6 KOH = 2[PO3]K3 + 3 H2O
H3(C3H5O7) = C12 + CO2 + H2O =>
8 H3(C3H5O7) = C12 + 12 CO2 + 32 H2O
P2O3 + KOH = [PO3]K3 + H2O =>
P2O3 + 6 KOH = 2[PO3]K3 + 3 H2O
K + CO = KCO =>
K + CO = KCO
SO2 + KMnO4 + H2O = MnSO4 + K2SO4 + H2SO4 =>
5 SO2 + 2 KMnO4 + 2 H2O = 2 MnSO4 + K2SO4 + 2 H2SO4
Pb3N4 = Pb4 + N2 =>
4 Pb3N4 = 3 Pb4 + 8 N2
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaCl
Na2CO3 + Cl2 + H2O = NaCl + CO2 + HClO =>
Na2CO3 + 2 Cl2 + H2O = 2 NaCl + CO2 + 2 HClO
A2 + B = A4B =>
2 A2 + B = A4B
Fe + SnCl4 = FeCl4 + SnCl2 =>
Fe + 2 SnCl4 = FeCl4 + 2 SnCl2
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