Équations équilibrées la veille |
C2H5COOH + NaOH = CH3CH2COONa + H2O
C7H10O + O2 = CO2 + H2O =>
C7H10O + 9 O2 = 7 CO2 + 5 H2O
CuO + KBr = CuBr2 + K2O =>
CuO + 2 KBr = CuBr2 + K2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
Mg + HBr = H + MgBr2 =>
Mg + 2 HBr = 2 H + MgBr2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Cu2CO3(OH)2(s) + CO = CO2 + Cu + H2O =>
Cu2CO3(OH)2(s) + 2 CO = 3 CO2 + 2 Cu + H2O
Ca + AgNO3 = CaO + AgN =>
3 Ca + AgNO3 = 3 CaO + AgN
La2O3 + HCl = LaCl3 + H2O =>
La2O3 + 6 HCl = 2 LaCl3 + 3 H2O
KC1O3 = KC1 + O2 =>
2 KC1O3 = 2 KC1 + 3 O2
N2 + Na2CO3 + H2O = N2CO3 + Na*H2O =>
N2 + Na2CO3 + 2 H2O = N2CO3 + 2 Na*H2O
CuNO3 + NaOH = CuOH + NaNO3 =>
CuNO3 + NaOH = CuOH + NaNO3
HCl + Na2Co3 = H2Co3 + NaCl =>
2 HCl + Na2Co3 = H2Co3 + 2 NaCl
C3H2O3 + CU = C4H2O3 + U =>
C3H2O3 + CU = C4H2O3 + U
Na2Se + KMnO4 + H2O = Na2SeO4 + MnO2 + KOH =>
3 Na2Se + 8 KMnO4 + 4 H2O = 3 Na2SeO4 + 8 MnO2 + 8 KOH
C4H6O6 + NaHCO3 = Na2C4H4O6 + CO2 + H2O =>
C4H6O6 + 2 NaHCO3 = Na2C4H4O6 + 2 CO2 + 2 H2O
CuO + C2H8 = Cu + CO2 + H2O =>
8 CuO + C2H8 = 8 Cu + 2 CO2 + 4 H2O
KClO = KCl + O =>
KClO = KCl + O
Na2O + FeO = FeNa2 + O2 =>
Na2O + FeO = FeNa2 + O2
C18H34O2 = H2O + CO + C17H34 =>
34 C18H34O2 = 17 H2O + 51 CO + 33 C17H34
C + Na2CO3 = CO + Na =>
2 C + Na2CO3 = 3 CO + 2 Na
NaNO2 + H2O + Cu = Cu2O + N + NaOH =>
2 NaNO2 + H2O + 6 Cu = 3 Cu2O + 2 N + 2 NaOH
Cu(NO3)2 + K(OH)2 = Cu(OH)2 + K(NO3)2 =>
Cu(NO3)2 + K(OH)2 = Cu(OH)2 + K(NO3)2
N2 + Ca(OH)2 = NH3 + CaO + O2 =>
2 N2 + 6 Ca(OH)2 = 4 NH3 + 6 CaO + 3 O2
Fe + AgNO3 = Fe2NO3 + Ag =>
2 Fe + AgNO3 = Fe2NO3 + Ag
Co + Na2S = Na + CoS2 =>
Co + 2 Na2S = 4 Na + CoS2
NaI + H2SO4 + H2O2 = Na2SO4 + H2O + HIO3 =>
2 NaI + H2SO4 + 6 H2O2 = Na2SO4 + 6 H2O + 2 HIO3
CaO + Zn = Ca + ZnO =>
CaO + Zn = Ca + ZnO
CO2 + SO3 = CO2SO3 =>
CO2 + SO3 = CO2SO3
Zn{2+} + NaOH{-} = Zn(OH)2 + Na =>
Zn{2+} + 2 NaOH{-} = Zn(OH)2 + 2 Na
K2TiF6 + NaOH = Ti(OH)4 + KF + NaF =>
K2TiF6 + 4 NaOH = Ti(OH)4 + 2 KF + 4 NaF
CoCO3 + C = Co + CO2 =>
2 CoCO3 + C = 2 Co + 3 CO2
Na2CO3 + BaNO3 = BaCO3 + Na2NO3 =>
Na2CO3 + BaNO3 = BaCO3 + Na2NO3
Al + Cu(OH)2 = Al(OH)3 + Cu =>
2 Al + 3 Cu(OH)2 = 2 Al(OH)3 + 3 Cu
C19H33O8N7 + O2 = CO2 + H2O + N2 =>
4 C19H33O8N7 + 93 O2 = 76 CO2 + 66 H2O + 14 N2
Hg + Fe(NO3)3 = HgNO3 + Fe =>
3 Hg + Fe(NO3)3 = 3 HgNO3 + Fe
K4[Fe(CN)6] + NiSO4 = Ni2[Fe(CN)6] + K2SO4 =>
K4[Fe(CN)6] + 2 NiSO4 = Ni2[Fe(CN)6] + 2 K2SO4
Pb(NO3)2(a) + H2SO4(aq) = PbSO4(s) + HNO3(aq) =>
Pb(NO3)2(a) + H2SO4(aq) = PbSO4(s) + 2 HNO3(aq)
K2Cr2O7 + CrCl2 + HCl = KCl + CrCl3 + H2O =>
K2Cr2O7 + 6 CrCl2 + 14 HCl = 2 KCl + 8 CrCl3 + 7 H2O
H2PbO2 + HNO3 = H3PbNO5 =>
H2PbO2 + HNO3 = H3PbNO5
C7H6O2 + CH3OH = C8H8O2 + H2O =>
C7H6O2 + CH3OH = C8H8O2 + H2O
Nh3 + Cl = Nh3Cl =>
Nh3 + Cl = Nh3Cl
K2CrO4 + HCl + Na2SO3 = KCl + CrCl3 + Na2SO4 + H2O =>
2 K2CrO4 + 10 HCl + 3 Na2SO3 = 4 KCl + 2 CrCl3 + 3 Na2SO4 + 5 H2O
KMnO4 + Sn(OH)2 + KOH = K2MnO4 + Sn(OH)4 =>
2 KMnO4 + Sn(OH)2 + 2 KOH = 2 K2MnO4 + Sn(OH)4
ZnNO3 + KCO3 = ZnCO3 + KNO3 =>
ZnNO3 + KCO3 = ZnCO3 + KNO3
C5H11NO2 + O = CO2 + H2O + NH3 =>
C5H11NO2 + 12 O = 5 CO2 + 4 H2O + NH3
C8H126 + O2 = CO2 + H2O =>
2 C8H126 + 79 O2 = 16 CO2 + 126 H2O
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