Équations équilibrées la veille |
(H3O)2SiF6 + 4 NH4COONH2 = 6 NH4F + Si(NH2)2 + 4 CO2 + 2 H + 2 O
Na2CO3MgSO4 = MgCO3Na2SO4 =>
Na2CO3MgSO4 = MgCO3Na2SO4
CaHPo4 + Ca(OH)2 = Ca3(Po4)2 + H2O =>
2 CaHPo4 + Ca(OH)2 = Ca3(Po4)2 + 2 H2O
Mg + CuCl2 = MgCl8 + Cu =>
Mg + 4 CuCl2 = MgCl8 + 4 Cu
Fe + KClO3 + KOH = K2FeO4 + H2O + KCl =>
Fe + KClO3 + 2 KOH = K2FeO4 + H2O + KCl
Al2(SO4)3(aq) + CaCl2(aq) = AlCl3(aq) + CaSO4(s) =>
Al2(SO4)3(aq) + 3 CaCl2(aq) = 2 AlCl3(aq) + 3 CaSO4(s)
HCl(aq) + K2SO3(aq) = H2SO3(g) + KCl(aq) =>
2 HCl(aq) + K2SO3(aq) = H2SO3(g) + 2 KCl(aq)
Mg + CuCl2 = MgCl8 + Cu =>
Mg + 4 CuCl2 = MgCl8 + 4 Cu
K2S + Cu2SO4 = K2SO4 + Cu2S =>
K2S + Cu2SO4 = K2SO4 + Cu2S
Mg(CH3CO2)2 + KOH = Mg(OH)2 + KCH3CO2 =>
Mg(CH3CO2)2 + 2 KOH = Mg(OH)2 + 2 KCH3CO2
Mg + CuCl2 = MgCl8 + Cu =>
Mg + 4 CuCl2 = MgCl8 + 4 Cu
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl =>
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl
Mg + CuCl2 = MgCl8 + Cu =>
Mg + 4 CuCl2 = MgCl8 + 4 Cu
CH3COOH + Na2CO3 = Na2C2H3 + CO2 + H2O =>
13 CH3COOH + 8 Na2CO3 = 8 Na2C2H3 + 18 CO2 + 14 H2O
PbO + AgCl = PbCl2 + Ag2O =>
PbO + 2 AgCl = PbCl2 + Ag2O
Al(OH)3 + KOH = KAlO2 + H2O =>
Al(OH)3 + KOH = KAlO2 + 2 H2O
HCl + NaClO + NaBr = H2O + NaCl + Br2 =>
2 HCl + NaClO + 2 NaBr = H2O + 3 NaCl + Br2
C14H10O4 + H2O2 = C6H6OH + CO2 =>
18 C14H10O4 + 29 H2O2 = 34 C6H6OH + 48 CO2
AgNO3 + HCl = NHO3 + AgCl =>
AgNO3 + HCl = NHO3 + AgCl
FeCl2 + KOH = Fe(OH)2 + KCl =>
FeCl2 + 2 KOH = Fe(OH)2 + 2 KCl
Na2CO3 + HBr = NaBr + H2CO3 =>
Na2CO3 + 2 HBr = 2 NaBr + H2CO3
Pt + F2 = PtF4 =>
Pt + 2 F2 = PtF4
SiH2 + H2O = SiO2 + H2 =>
SiH2 + 2 H2O = SiO2 + 3 H2
C + H2 + O2 = C8H18O =>
16 C + 18 H2 + O2 = 2 C8H18O
C2H2 + Br2 = C6H5Br + HBr =>
3 C2H2 + Br2 = C6H5Br + HBr
BaCl2 + NaS = BaS + Cl2Na =>
BaCl2 + NaS = BaS + Cl2Na
CrBr2 = Cr + Br =>
CrBr2 = Cr + 2 Br
Sb + S8 = Sb2S5 =>
16 Sb + 5 S8 = 8 Sb2S5
Na4C + (NH4)2S2O8 + H2O = CO2 + (NH4)2SO4 + Na2SO4 + H2SO4 =>
Na4C + 4(NH4)2S2O8 + 2 H2O = CO2 + 4(NH4)2SO4 + 2 Na2SO4 + 2 H2SO4
PH3 + N2 = N2H3 + P =>
PH3 + N2 = N2H3 + P
CH3COOH + Cl2 = C2H3ClO2 + HCl =>
CH3COOH + Cl2 = C2H3ClO2 + HCl
HOCl + NaOH = NaCl + OH =>
HOCl + NaOH = NaCl + 2 OH
Mg + ClO = MgCl2 + O2 =>
Mg + 2 ClO = MgCl2 + O2
CuO + C = Cu + CO02 =>
2 CuO + C = 2 Cu + CO02
Sc + NaOH + H2O = Na2[Sc(OH)4] + H2 =>
Sc + 2 NaOH + 2 H2O = Na2[Sc(OH)4] + H2
K + Pb(NO3)2 = K2(NO3)2 + Pb =>
2 K + Pb(NO3)2 = K2(NO3)2 + Pb
Cu(NO3)2 + S(OH)2 = Cu(OH)2 + S(NO3)2 =>
Cu(NO3)2 + S(OH)2 = Cu(OH)2 + S(NO3)2
Ni + Pb(NO3)3 = Pb + Ni(NO3) =>
3 Ni + Pb(NO3)3 = Pb + 3 Ni(NO3)
NaOH(aq) + KNO3 = NaNO3 + KOH =>
NaOH(aq) + KNO3 = NaNO3 + KOH
NaCl(s) + Al(NO3)3(l) = AlCl3(l) + NaNO3(l) =>
3 NaCl(s) + Al(NO3)3(l) = AlCl3(l) + 3 NaNO3(l)
BaCl2 + Fe2S3 = FeCl3 + BaS =>
3 BaCl2 + Fe2S3 = 2 FeCl3 + 3 BaS
Zn + Li = ZnLi =>
Zn + Li = ZnLi
CuCl2 + FeO = CuO2 + FeCl =>
CuCl2 + 2 FeO = CuO2 + 2 FeCl
O2 + H2S = H2O + SO4 =>
5 O2 + 2 H2S = 2 H2O + 2 SO4
KBrO3 + KBr + H2SeO4 = K2SeO4 + H2O + Br2 =>
KBrO3 + 5 KBr + 3 H2SeO4 = 3 K2SeO4 + 3 H2O + 3 Br2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KO + H2SO4 = K2SO4 + H2O2 =>
2 KO + H2SO4 = K2SO4 + H2O2
Si + NaOH = NaSiO + H =>
Si + NaOH = NaSiO + H
Zn + HCl(ac) = ZnCl2 + H2 =>
Zn + 2 HCl(ac) = ZnCl2 + H2
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