Équations équilibrées la veille |
2 HCl + CaCO3 = CaCl2 + H2O + CO2
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
NOCl = Cl + NO =>
NOCl = Cl + NO
H12CuN4 + K4[Fe(CN)6](l) = Cu2[Fe(CN)6] + NH3 + K =>
2 H12CuN4 + K4[Fe(CN)6](l) = Cu2[Fe(CN)6] + 8 NH3 + 4 K
Na + Mg = NaMg =>
Na + Mg = NaMg
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
NaCH3COO + H2O = NaCH2COO + H3O =>
NaCH3COO + H2O = NaCH2COO + H3O
C2 + S8 = CS2 =>
2 C2 + S8 = 4 CS2
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
Al(HCO3)3(s) = Al2(CO3)3(s) + CO2(g) + H2O(l) =>
2 Al(HCO3)3(s) = Al2(CO3)3(s) + 3 CO2(g) + 3 H2O(l)
NaHS + H2S = H2 + NaS2 =>
2 NaHS + 2 H2S = 3 H2 + 2 NaS2
CuCO3(s) + HCl(aq) = CuCl2(aq) + H2O(l) + CO2(g) =>
CuCO3(s) + 2 HCl(aq) = CuCl2(aq) + H2O(l) + CO2(g)
B4C + O2 = CO2 + B2O3 =>
B4C + 4 O2 = CO2 + 2 B2O3
Mn(OH)2 + KClO3 + KOH = K2MnO4 + H2O + KCl =>
3 Mn(OH)2 + 2 KClO3 + 6 KOH = 3 K2MnO4 + 6 H2O + 2 KCl
MgI2 + Mn(SO3)2 = MgSO3 + MnI4 =>
2 MgI2 + Mn(SO3)2 = 2 MgSO3 + MnI4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
LiOH + AgNO3 = LiNO3 + Ag2O + H2O =>
2 LiOH + 2 AgNO3 = 2 LiNO3 + Ag2O + H2O
Al2O3 + CaO = Al2Ca + O =>
Al2O3 + CaO = Al2Ca + 4 O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CaCO3 + NaOH + HCl = NaHCO3 + CaCl2 + H2O =>
CaCO3 + NaOH + 2 HCl = NaHCO3 + CaCl2 + H2O
Pb(NO3)2(aq) + Na2CO3(aq) = Pb(CO3)(s) + NaNO3 =>
Pb(NO3)2(aq) + Na2CO3(aq) = Pb(CO3)(s) + 2 NaNO3
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
Al + H2ONaOH = NaAlO2 + H2 =>
2 Al + 2 H2ONaOH = 2 NaAlO2 + 3 H2
Al(OH)3 + NH3 = Al(NH)3 + OH3 =>
Al(OH)3 + 3 NH3 = Al(NH)3 + 3 OH3
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
Cr(OH)3 + NO3{-} + OH{-} = CrO4{2-} + NO2{-} + H2O =>
2 Cr(OH)3 + 3 NO3{-} + 4 OH{-} = 2 CrO4{2-} + 3 NO2{-} + 5 H2O
NO3{-} + Al + H2O = Al(OH)3 + NH3 + OH{-} =>
3 NO3{-} + 8 Al + 18 H2O = 8 Al(OH)3 + 3 NH3 + 3 OH{-}
CH3((CH2)5)CH3 + O2 = CO2 + H2O =>
CH3((CH2)5)CH3 + 11 O2 = 7 CO2 + 8 H2O
Ca(NO3)2 + CO2 + H2O = CaCO3 + HNO3 =>
Ca(NO3)2 + CO2 + H2O = CaCO3 + 2 HNO3
CaSO4 + BaCl2 = BaSO4 + CaCl2 =>
CaSO4 + BaCl2 = BaSO4 + CaCl2
Al(NO3)3 + Na2SO4 = Al2(SO4)3 + (NO3)Na =>
2 Al(NO3)3 + 3 Na2SO4 = Al2(SO4)3 + 6(NO3)Na
Cu(NO3)2 + KOH = Cu(OH)2 + KNO3 =>
Cu(NO3)2 + 2 KOH = Cu(OH)2 + 2 KNO3
Na2B4O7 + HNO3 + H2O = H3BO3 + NaNO3 =>
Na2B4O7 + 2 HNO3 + 5 H2O = 4 H3BO3 + 2 NaNO3
Ca + KCl = KCaCl =>
Ca + KCl = KCaCl
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
Al + NaOH = Al(OH)3 + Na =>
Al + 3 NaOH = Al(OH)3 + 3 Na
Al + H2ONaOH = NaAlO2 + H2 =>
2 Al + 2 H2ONaOH = 2 NaAlO2 + 3 H2
CD + AB = AD + CB =>
CD + AB = AD + CB
OH{-} + Br2 = BrO3{-} + Br{-} + H2 =>
6 OH{-} + 3 Br2 = 2 BrO3{-} + 4 Br{-} + 3 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Co(OH)2 + H2SO4 = CoSO4 + H2O =>
Co(OH)2 + H2SO4 = CoSO4 + 2 H2O
Mg(OH)2 = (MgO)2 + H2O =>
2 Mg(OH)2 = (MgO)2 + 2 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Fe2O3 + HBr = FeBr3 + H2O =>
Fe2O3 + 6 HBr = 2 FeBr3 + 3 H2O
Zn + KClO3 = ZnCl + K + O2 =>
2 Zn + 2 KClO3 = 2 ZnCl + 2 K + 3 O2
MgSO4 + Cu = CuSO4 + Mg =>
MgSO4 + Cu = CuSO4 + Mg
Pb{2+} + CO3{2-} = Pb(CO3) =>
Pb{2+} + CO3{2-} = Pb(CO3)
Sb + HNO3 = SbO3 + NO2 + H2O =>
Sb + 6 HNO3 = SbO3 + 6 NO2 + 3 H2O
FeCl2 = Cl2 + Fe =>
FeCl2 = Cl2 + Fe
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