| Équations équilibrées la veille |
3 C2H2O2 + 2 NaCO3 = 2 NaC2H3O2 + 4 CO2
CUS + HNO3 = S + CU(NO3)2 + H2O + NO =>
3 CUS + 8 HNO3 = 3 S + 3 CU(NO3)2 + 4 H2O + 2 NO
Cu(SO4) + Ba(NO3)2 = Cu(NO3) + Ba(SO4)2 =>
2 Cu(SO4) + Ba(NO3)2 = 2 Cu(NO3) + Ba(SO4)2
CHO = C + H2 + O2 =>
2 CHO = 2 C + H2 + O2
AgCl + NaOH = Ag2O + NaCl + H2O =>
2 AgCl + 2 NaOH = Ag2O + 2 NaCl + H2O
PbCl4 = PbCl2Cl2 =>
PbCl4 = PbCl2Cl2
Ca + H2O + O2 = Ca(OH)2 =>
2 Ca + 2 H2O + O2 = 2 Ca(OH)2
C2H6 + KMnO4 + HNO3 = CO2 + KNO3 + Mn(NO3)2 + H2O =>
5 C2H6 + 14 KMnO4 + 42 HNO3 = 10 CO2 + 14 KNO3 + 14 Mn(NO3)2 + 36 H2O
Al(s) + HCl(aq) = H2(g) + AlCl3(s) =>
2 Al(s) + 6 HCl(aq) = 3 H2(g) + 2 AlCl3(s)
CH3COOH + HCOONa = CH3COONa + H2O + CO2 =>
3 CH3COOH + 4 HCOONa = 4 CH3COONa + 2 H2O + 2 CO2
Na2O + H3PO4 = Na3PO4 + H2O =>
3 Na2O + 2 H3PO4 = 2 Na3PO4 + 3 H2O
Fe2O3 = Fe(s) + O2(g) =>
2 Fe2O3 = 4 Fe(s) + 3 O2(g)
H3PO4(aq) + KOH(aq) = KH2PO4(aq)H2O(l) =>
H3PO4(aq) + KOH(aq) = KH2PO4(aq)H2O(l)
NaClO + KI = I2 + NaCl + K2O =>
NaClO + 2 KI = I2 + NaCl + K2O
SiO3 + H2PO2 = HPO3 + Si + H2O =>
SiO3 + 2 H2PO2 = 2 HPO3 + Si + H2O
(NH4)2SO4 + Ba(OH)2 = BaSO4 + NH3 + H2O =>
(NH4)2SO4 + Ba(OH)2 = BaSO4 + 2 NH3 + 2 H2O
AlCl3 + Ba(OH)2 = Al(OH)3 + BaCl2 =>
2 AlCl3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 BaCl2
HgI = Hg + I =>
HgI = Hg + I
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Pr2O3 + Re + ReO3 = Pr3ReO7 =>
9 Pr2O3 + Re + 5 ReO3 = 6 Pr3ReO7
V2O5 + H2 = V203 + H2O =>
203 V2O5 + 1015 H2 = 2 V203 + 1015 H2O
Ca(OH)2 + Al + H2O = CaAl3(OH)10 + H =>
Ca(OH)2 + 3 Al + 8 H2O = CaAl3(OH)10 + 8 H
Hg(C2H3O2)2 + Ca = HgCa2 + (C2H3O2)2 =>
Hg(C2H3O2)2 + 2 Ca = HgCa2 + (C2H3O2)2
(CH2)6N4 + O2 = CO2 + H2O + HCN =>
(CH2)6N4 + 4 O2 = 2 CO2 + 4 H2O + 4 HCN
NaHCO3 = Na2O + CO2 + H2O =>
2 NaHCO3 = Na2O + 2 CO2 + H2O
CH3C(CH3)CHCH3 + KMnO4 + H2SO4 = CH3COOH + H2O + MnSO4 + K2SO4 =>
2 CH3C(CH3)CHCH3 + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 6 H2O + 4 MnSO4 + 2 K2SO4
Ba + (NO3) + KOH = Ba(OH)2 + KNO3 =>
Ba + 2(NO3) + 2 KOH = Ba(OH)2 + 2 KNO3
HgCl2 + C2H2 + H2O = Hg + CO2 + Cl{-} + H{+} =>
5 HgCl2 + C2H2 + 4 H2O = 5 Hg + 2 CO2 + 10 Cl{-} + 10 H{+}
SnH2O = SnOH2 =>
SnH2O = SnOH2
CH3COOH + CH4N2O = C2H5NO + H2O + CO2 =>
2 CH3COOH + CH4N2O = 2 C2H5NO + H2O + CO2
Fe(OH)3 + BaS = Ba(OH)2 + Fe2S3 =>
2 Fe(OH)3 + 3 BaS = 3 Ba(OH)2 + Fe2S3
HNO3 = O2 + H2O + N2 =>
4 HNO3 = 5 O2 + 2 H2O + 2 N2
K2O + MnCl2 = Mn2O2 + KCl =>
2 K2O + 2 MnCl2 = Mn2O2 + 4 KCl
HNO3 + Hg = NO2 + H2O + Hg(NO3)2 =>
4 HNO3 + Hg = 2 NO2 + 2 H2O + Hg(NO3)2
Zn + Ca(OH)2 = CaZnO2 + H2 =>
Zn + Ca(OH)2 = CaZnO2 + H2
NH4Cl + Li3PO4 = LiCl + PO4(NH4)3 =>
3 NH4Cl + Li3PO4 = 3 LiCl + PO4(NH4)3
C5H11OH + O2 = CO + H2O =>
C5H11OH + 5 O2 = 5 CO + 6 H2O
BaCO3 + O2 = BaO3 + CO2 =>
BaCO3 + O2 = BaO3 + CO2
ZnBr2 + Ba(OH)2 = Zn(OH)2 + BaBr2 =>
ZnBr2 + Ba(OH)2 = Zn(OH)2 + BaBr2
NH4Br + Ba(C2H3O2)2 = NH4C2H3O2 + BaBr2 =>
2 NH4Br + Ba(C2H3O2)2 = 2 NH4C2H3O2 + BaBr2
Zn(OH)2 + H2O = Zn(OH)3 + H =>
Zn(OH)2 + H2O = Zn(OH)3 + H
(CH3COO)2Cd + H2O = CH3COOH + Cd(OH)2 =>
(CH3COO)2Cd + 2 H2O = 2 CH3COOH + Cd(OH)2
Pb(NO3)4 + ZnBr = PbBr4 + Zn(NO3) =>
Pb(NO3)4 + 4 ZnBr = PbBr4 + 4 Zn(NO3)
Pb(NO3)2 + KI + H2O = K[PbI3]*2H2O + KNO3 =>
Pb(NO3)2 + 3 KI + 2 H2O = K[PbI3]*2H2O + 2 KNO3
H3C6H5O3 + NaOH = Na + CO2 + H2O =>
H3C6H5O3 + 26 NaOH = 26 Na + 6 CO2 + 17 H2O
KNO3 = K + N + O =>
KNO3 = K + N + 3 O
NH4Fe(SO4)2 + KBr = FeSO4 + K2SO4 + (NH4)2SO4 + Br2 =>
2 NH4Fe(SO4)2 + 2 KBr = 2 FeSO4 + K2SO4 + (NH4)2SO4 + Br2
C12H22O11 + HCl = CH3COH + H2O + ClO2 = C20H14O4 =>
5 C12H22O11 + 12 HCl = 30 CH3COH + H2O + 12 ClO2
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
H2(CH3COO)2 + Mg = H2 + Mg(CH3COO)2 =>
H2(CH3COO)2 + Mg = H2 + Mg(CH3COO)2
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Équations équilibrées sur01/28/25
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