| Équations équilibrées la veille |
2 RbHCO3 = Rb2CO3H2OCO2
Sn + NaOH = Na2 + SnO3 + H2 =>
2 Sn + 6 NaOH = 3 Na2 + 2 SnO3 + 3 H2
Pb(NO3)2 + NaIO3 = NaNO3 + Pb(IO3)2 =>
Pb(NO3)2 + 2 NaIO3 = 2 NaNO3 + Pb(IO3)2
Ca + NH3 = Ca3N2 + H2 =>
3 Ca + 2 NH3 = Ca3N2 + 3 H2
(NH4)2SO4 + NH3H2SO4 = NH4H2SO4 + (NH3)2SO4 =>
(NH4)2SO4 + 2 NH3H2SO4 = 2 NH4H2SO4 + (NH3)2SO4
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
BaI2 + Br2 = BaBr2 + I2 =>
BaI2 + Br2 = BaBr2 + I2
PbS + O2 = PbO + OS =>
PbS + O2 = PbO + OS
NH4F + KOH = NH3H2O + KF =>
NH4F + KOH = NH3H2O + KF
Be(OH)2 + Na2BeO = Na2O + BeO + H2 =>
Be(OH)2 + Na2BeO = Na2O + 2 BeO + H2
LiCl + Ba(NO3)2 = Li(NO3)2(aq) + BaCl(s) =>
LiCl + Ba(NO3)2 = Li(NO3)2(aq) + BaCl(s)
(NH4)3PO4 + Fe2(SO4)3 = (NH4SO4) + Fe2PO4 =>
(NH4)3PO4 + Fe2(SO4)3 = 3(NH4SO4) + Fe2PO4
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Pb(CO3)4 + BaCl2 = Ba(CO3)2 + PbCl4 =>
Pb(CO3)4 + 2 BaCl2 = 2 Ba(CO3)2 + PbCl4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C6H5OH + O2(g) = CO2(g) + H2O =>
C6H5OH + 7 O2(g) = 6 CO2(g) + 3 H2O
Na(OH) + Mg(HCO3) = Na(HCO3) + (MgOH)2 =>
2 Na(OH) + 2 Mg(HCO3) = 2 Na(HCO3) + (MgOH)2
Rb3PO4 + H2O = Rb2O + H3PO4 =>
2 Rb3PO4 + 3 H2O = 3 Rb2O + 2 H3PO4
C2H3ClO2 + SCl2 + Cl2 = C2H2Cl2O + HCl + SO2 =>
2 C2H3ClO2 + SCl2 + Cl2 = 2 C2H2Cl2O + 2 HCl + SO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CuBr2 + Na2O = CuO + NaBr =>
CuBr2 + Na2O = CuO + 2 NaBr
CrCl3 + (NH4)2S2O8 + H2O = (NH4)2Cr2O7 + H2SO4 + HCl + NH4Cl =>
2 CrCl3 + 3(NH4)2S2O8 + 7 H2O = (NH4)2Cr2O7 + 6 H2SO4 + 2 HCl + 4 NH4Cl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2Se + Ca(OH)2 = Ca2Se2 + H2O =>
2 H2Se + 2 Ca(OH)2 = Ca2Se2 + 4 H2O
NaI(a) + Cl2(g) = NaCl(s) + I2(g) =>
2 NaI(a) + Cl2(g) = 2 NaCl(s) + I2(g)
NaI + H2SO4 + MnO2 = H2O + I2 + Mn + Na2SO4 =>
4 NaI + 2 H2SO4 + MnO2 = 2 H2O + 2 I2 + Mn + 2 Na2SO4
Pb(aq) + I(aq) = PbI2(s) =>
Pb(aq) + 2 I(aq) = PbI2(s)
C6H5CHO + NH2C6H5 = C6H5CHNC6H5 + H2O =>
C6H5CHO + NH2C6H5 = C6H5CHNC6H5 + H2O
S + Cu + O = CuSO4 =>
S + Cu + 4 O = CuSO4
Fe + Cu(SO4) = Fe(SO4) + Cu =>
Fe + Cu(SO4) = Fe(SO4) + Cu
NH3 + N2O = N2 + H20O =>
20 NH3 + 3 N2O = 13 N2 + 3 H20O
BaCl2(ac) + (NH4)2Co3(g) = BaCo3(s) + NH4Cl(ac) =>
BaCl2(ac) + (NH4)2Co3(g) = BaCo3(s) + 2 NH4Cl(ac)
H2S + HNO3 = SO2 + N2 + H2O =>
5 H2S + 6 HNO3 = 5 SO2 + 3 N2 + 8 H2O
C6H5F + O2 = CO2 + H2O + F =>
4 C6H5F + 29 O2 = 24 CO2 + 10 H2O + 4 F
Cr203 + Na2C03 + KNO3 = Na2CrO4 + CO2 + KNO2 =>
Cr203 + 203 Na2C03 + 2030 KNO3 = 203 Na2CrO4 + 609 CO2 + 2030 KNO2
Cl + CaBr2 = Br + CaCl =>
Cl + CaBr2 = 2 Br + CaCl
Co(C2H3O2)3 + Na2SO4 = Co2(SO4)3 + NaCH3COO =>
2 Co(C2H3O2)3 + 3 Na2SO4 = Co2(SO4)3 + 6 NaCH3COO
Hg + KOH = HgO + K + H2O =>
Hg + 2 KOH = HgO + 2 K + H2O
CsBa2ScB8O16 = B2O3 + BaO + Cs2O + Sc2O3 =>
2 CsBa2ScB8O16 = 8 B2O3 + 4 BaO + Cs2O + Sc2O3
AgI + Fe2S3 = FeI3 + Ag2S =>
6 AgI + Fe2S3 = 2 FeI3 + 3 Ag2S
NaCl + Hg(C2H3O2) = Na2(C2H3O2) + HgCl2 =>
2 NaCl + Hg(C2H3O2) = Na2(C2H3O2) + HgCl2
Mg(OH)2 + AgNO3 = Mg(NO3)2 + AgOH =>
Mg(OH)2 + 2 AgNO3 = Mg(NO3)2 + 2 AgOH
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Cu3 + (SO4)3 = CuSO4 =>
Cu3 + (SO4)3 = 3 CuSO4
NaNO3 + CH3COOH = HNO3 + CH3COONa =>
NaNO3 + CH3COOH = HNO3 + CH3COONa
Zn(s) + I2(s) = ZnI2(aq) =>
Zn(s) + I2(s) = ZnI2(aq)
KClO3 + MgS = K2S + Mg(ClO3)2 =>
2 KClO3 + MgS = K2S + Mg(ClO3)2
C3H7COOH + H = C3H8COOH =>
C3H7COOH + H = C3H8COOH
KCrO2 + Cl2 + KOH = H2O + KCl + K2CrO4 =>
2 KCrO2 + 3 Cl2 + 8 KOH = 4 H2O + 6 KCl + 2 K2CrO4
OH + C7H6O2 = C7H5O2 + H2O =>
OH + C7H6O2 = C7H5O2 + H2O
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