Équations équilibrées la veille |
Mg3P2 + 3 H2 = 3 Mg + 2 H3P
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
MgS + O2 = Mg + SO2 =>
MgS + O2 = Mg + SO2
MgS + O2 = MgO + S =>
2 MgS + O2 = 2 MgO + 2 S
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
MgS + O2 = MgSO4 =>
MgS + 2 O2 = MgSO4
MgSO3 = Mg + SO3 =>
MgSO3 = Mg + SO3
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
Mn + H2O = Mn(OH)2 + H2 =>
Mn + 2 H2O = Mn(OH)2 + H2
HNOSO4 + H2O = NO + NO2 + H2SO4 =>
2 HNOSO4 + H2O = NO + NO2 + 2 H2SO4
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Mn + H2O = Mn2O3 + H2 =>
2 Mn + 3 H2O = Mn2O3 + 3 H2
Mn + H2O = MnO + H =>
Mn + H2O = MnO + 2 H
Mn + H2O = MnO + H2 =>
Mn + H2O = MnO + H2
Cl2 + KBr = KCl + Br =>
Cl2 + 2 KBr = 2 KCl + 2 Br
Mn + H2O = MnO2 + H2 =>
Mn + 2 H2O = MnO2 + 2 H2
MnCl2 + (NH4)2S = MnS + (NH4)Cl =>
MnCl2 + (NH4)2S = MnS + 2(NH4)Cl
Cr(OH)2 + KIO3 + KOH = K2CrO4 + KI + H2O =>
3 Cr(OH)2 + 2 KIO3 + 6 KOH = 3 K2CrO4 + 2 KI + 6 H2O
Na(OH) + HCl = NaCl + H(OH) =>
Na(OH) + HCl = NaCl + H(OH)
Na3N + Ba = Ba3N2 + Na =>
2 Na3N + 3 Ba = Ba3N2 + 6 Na
N2H4 + H2O2 = N2 + H2O =>
N2H4 + 2 H2O2 = N2 + 4 H2O
NaBr + F = NaF + Br2 =>
2 NaBr + 2 F = 2 NaF + Br2
P2O5 + C = P + CO =>
P2O5 + 5 C = 2 P + 5 CO
Al + I = AlI =>
Al + I = AlI
NaHCO3 + FeSO4 = Fe(OH)2 + Na2SO4 + CO2 =>
2 NaHCO3 + FeSO4 = Fe(OH)2 + Na2SO4 + 2 CO2
P2O5 + C = P + CO2 =>
2 P2O5 + 5 C = 4 P + 5 CO2
P2O5 + C = P4 + CO =>
2 P2O5 + 10 C = P4 + 10 CO
S + KNO3 = SO2 + N2 + K2SO4 =>
2 S + 2 KNO3 = SO2 + N2 + K2SO4
Zn + FeS = ZnS + Fe =>
Zn + FeS = ZnS + Fe
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Li + Ni2 = Li2Ni =>
4 Li + Ni2 = 2 Li2Ni
C3H45OH + O2 = H2O + CO2 =>
C3H45OH + 14 O2 = 23 H2O + 3 CO2
K + O2 = K2O =>
4 K + O2 = 2 K2O
K + Cl = KCl =>
K + Cl = KCl
H2SO4 = SO3 + H2O =>
H2SO4 = SO3 + H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
H3CCH3CH3CH3CH3OH + NaBr + H2SO4 = H3CCH3CH3CH3CH3Br + H2O + NaHSO4 =>
H3CCH3CH3CH3CH3OH + NaBr + H2SO4 = H3CCH3CH3CH3CH3Br + H2O + NaHSO4
HBrO3 + H2Se = H2SeO + HBr =>
HBrO3 + 3 H2Se = 3 H2SeO + HBr
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
As + O2 = As2O5 =>
4 As + 5 O2 = 2 As2O5
AgCl + Ba(OH)2 = BaCl2 + AgOH =>
2 AgCl + Ba(OH)2 = BaCl2 + 2 AgOH
KNO3(S) = KNO2(S) + O2 =>
2 KNO3(S) = 2 KNO2(S) + O2
C8H10O2 + NaOCl = C8H8O2 + NaCl + H2O =>
C8H10O2 + NaOCl = C8H8O2 + NaCl + H2O
CrI3 + H2O = Cr(OH)3 + HI =>
CrI3 + 3 H2O = Cr(OH)3 + 3 HI
Mn(OH)2 + NaOH = Na2MnO2 + H2O =>
Mn(OH)2 + 2 NaOH = Na2MnO2 + 2 H2O
K2CO3(aq) + Ca(NO3)2(aq) = K(NO3)(aq) + CaCO3(s) =>
K2CO3(aq) + Ca(NO3)2(aq) = 2 K(NO3)(aq) + CaCO3(s)
KMnO4 + MgS = K2S + Mg(MnO4)2 =>
2 KMnO4 + MgS = K2S + Mg(MnO4)2
Mg(OH)2 + CuCO3 = MgCO3 + CuO + H2O =>
Mg(OH)2 + CuCO3 = MgCO3 + CuO + H2O
ZnO + Cr = Cr3O + Zn =>
ZnO + 3 Cr = Cr3O + Zn
K + O2 = K2O =>
4 K + O2 = 2 K2O
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