Équations équilibrées la veille |
4 Na + O2 = 2 Na2O
MgO + Na2CO3 = MgCO3 + Na2O =>
MgO + Na2CO3 = MgCO3 + Na2O
CuI2 = Cu + I2 =>
CuI2 = Cu + I2
Ba(NO3)2 + Li2SO4 = BaSO4 + LiNO3 =>
Ba(NO3)2 + Li2SO4 = BaSO4 + 2 LiNO3
Mg + Ca{2+} = Mg{2+} + Ca =>
Mg + Ca{2+} = Mg{2+} + Ca
Cu2O + HCl = Cu + CuCl2 + H2O =>
Cu2O + 2 HCl = Cu + CuCl2 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
(NH4)2SO4 + Ca(CH3COO)2 = CaSO4 + CH3COONH4 =>
(NH4)2SO4 + Ca(CH3COO)2 = CaSO4 + 2 CH3COONH4
KCl + MgCl2 = MgCl + KCl2 =>
KCl + MgCl2 = MgCl + KCl2
H3PO4 + KHCO3 = K3PO4 + CO2 + H2O =>
H3PO4 + 3 KHCO3 = K3PO4 + 3 CO2 + 3 H2O
Sn4OH + HBr = H2O + Sn4Br =>
Sn4OH + HBr = H2O + Sn4Br
C2H2Br2 + Br2 = C2H2Br4 =>
C2H2Br2 + Br2 = C2H2Br4
BaF2 + K3PO4 = Ba3(PO4)2 + KF =>
3 BaF2 + 2 K3PO4 = Ba3(PO4)2 + 6 KF
Ba + Au2O3 = Ba3O3 + Au2 =>
3 Ba + Au2O3 = Ba3O3 + Au2
Si + Cl4 = Si4Cl =>
16 Si + Cl4 = 4 Si4Cl
Ca(OH)2 + H2O = H3O + CaO2H =>
Ca(OH)2 + H2O = H3O + CaO2H
AlBr3 + K2(SO4) = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2(SO4) = 6 KBr + Al2(SO4)3
Mn + O2 = MnO2 =>
Mn + O2 = MnO2
Cu(NH3)4(SO4) + HCl = NH4Cl + CuSO4 =>
Cu(NH3)4(SO4) + 4 HCl = 4 NH4Cl + CuSO4
Zn(OH)2 + SiO2 = ZnSiO4 + H2 =>
Zn(OH)2 + SiO2 = ZnSiO4 + H2
CuSO4 + BaCl2 = BaSO4 + CuCl2 =>
CuSO4 + BaCl2 = BaSO4 + CuCl2
NaCrO4 + NaNO2 + H2SO4 = NaNO3 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 NaCrO4 + 4 NaNO2 + 4 H2SO4 = 4 NaNO3 + Cr2(SO4)3 + Na2SO4 + 4 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
SrCO3 + HCl = SrCl2 + H2O(l) + CO2(g) =>
SrCO3 + 2 HCl = SrCl2 + H2O(l) + CO2(g)
AgBr + NH4OH = [Ag(NH3)2]Br + H2O =>
AgBr + 2 NH4OH = [Ag(NH3)2]Br + 2 H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Mg + Mn2O3 = MgO + Mn =>
3 Mg + Mn2O3 = 3 MgO + 2 Mn
Pb3 + O2 = Pb2O3 =>
4 Pb3 + 9 O2 = 6 Pb2O3
C4H8 + HCl = C2H9 + Cl =>
C4H8 + 10 HCl = 2 C2H9 + 10 Cl
O = O2 =>
2 O = O2
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
K + Ag2S = KAg2 + S =>
K + Ag2S = KAg2 + S
CuCl2 + Al = AlCl3 + Cu =>
3 CuCl2 + 2 Al = 2 AlCl3 + 3 Cu
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
H2O + NO2 = HNO3 + NO =>
H2O + 3 NO2 = 2 HNO3 + NO
KIO3 + Ag2S = K2S + AgIO3 =>
2 KIO3 + Ag2S = K2S + 2 AgIO3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
FeSO4 + Cl = Fe2(SO4)3 + FeCl3 =>
3 FeSO4 + 3 Cl = Fe2(SO4)3 + FeCl3
Pb2O3 + H = Pb + H2O =>
Pb2O3 + 6 H = 2 Pb + 3 H2O
HgO + HF = HgF2 + H2O =>
HgO + 2 HF = HgF2 + H2O
Mn + CIO3 = MnO42 + CI =>
Mn + 14 CIO3 = MnO42 + 14 CI
CrO + N2O3 = Cr2O3 + N2 =>
6 CrO + N2O3 = 3 Cr2O3 + N2
H2O + NH4Cl = NH3 + H3O + Cl =>
H2O + NH4Cl = NH3 + H3O + Cl
HI2 = H2 + I2 =>
2 HI2 = H2 + 2 I2
Mg(NO3)2 + Na2S + H2O = Mg(OH)2 + H2S + NaNO3 =>
Mg(NO3)2 + Na2S + 2 H2O = Mg(OH)2 + H2S + 2 NaNO3
Cs2SO4 = Cs2O2 + SO2 =>
Cs2SO4 = Cs2O2 + SO2
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
Na(SCN) + FeCl3 = NaCl + Fe(SCN)3 =>
3 Na(SCN) + FeCl3 = 3 NaCl + Fe(SCN)3
Be(OH)2 + NaOH = Na[Be(OH)3] =>
Be(OH)2 + NaOH = Na[Be(OH)3]
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