| Équations équilibrées la veille |
3 Na + CaCl3 = 3 NaCl + Ca
PCl5 + S = P4S10 + SCl2 =>
4 PCl5 + 20 S = P4S10 + 10 SCl2
Cr(NO3)3 + KOH + H2O2 = K2CrO4 + HNO3 + H2O =>
2 Cr(NO3)3 + 4 KOH + 3 H2O2 = 2 K2CrO4 + 6 HNO3 + 2 H2O
NH4SCN + Pb(NO3)2 = NH4NO3 + Pb(SCN)2 =>
2 NH4SCN + Pb(NO3)2 = 2 NH4NO3 + Pb(SCN)2
CuSO4 + KOH = Cu(H)2 + (KO)2SO4 =>
CuSO4 + 2 KOH = Cu(H)2 + (KO)2SO4
SO3 + OH = SO4H2O =>
SO3 + 2 OH = SO4H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
N2O5 + MgCO3 = Mg(NO3)2 + CO2 =>
N2O5 + MgCO3 = Mg(NO3)2 + CO2
Cu + Sn{+4} = Cu{+2} + Sn =>
2 Cu + Sn{+4} = 2 Cu{+2} + Sn
C6H6HNO3 = C6H5NO2H2O =>
C6H6HNO3 = C6H5NO2H2O
Na2SO3 + Pb = PbSO3 + Na =>
Na2SO3 + Pb = PbSO3 + 2 Na
C27H28O28 + H2O = CH4 + CO2 =>
C27H28O28 + 6 H2O = 10 CH4 + 17 CO2
H3P2O7 + Fe = Fe(P2O7)2 + H2 =>
2 H3P2O7 + Fe = Fe(P2O7)2 + 3 H2
CeIO3 + HC2O4 = Ce(C2O4)3 + I + CO2 + H2O =>
CeIO3 + 6 HC2O4 = Ce(C2O4)3 + I + 6 CO2 + 3 H2O
C2H4 + KMnO4 + H2O = MnO2 + C2H2(OH)2 + KOH =>
3 C2H4 + 4 KMnO4 + 2 H2O = 4 MnO2 + 3 C2H2(OH)2 + 4 KOH
NaHCO3(s)CH3COOH(aq) = NaC2H3O2(aq)H2O(l)CO2(g) =>
NaHCO3(s)CH3COOH(aq) = NaC2H3O2(aq)H2O(l)CO2(g)
Zn + Mg(NO3){2} = ZnMg + (NO3){2} =>
Zn + Mg(NO3){2} = ZnMg + (NO3){2}
SiO2C = Si + CO2 =>
SiO2C = Si + CO2
MgBr2 + CN = Br + MgCN =>
MgBr2 + CN = 2 Br + MgCN
NaCl + AgNO3 = NaNO3 + AgCl(g) =>
NaCl + AgNO3 = NaNO3 + AgCl(g)
KF + ReF6 = K2[ReF8] =>
2 KF + ReF6 = K2[ReF8]
LiOH + Ca3N2 = Li3N + Ca(OH)2 =>
6 LiOH + Ca3N2 = 2 Li3N + 3 Ca(OH)2
N2O + C3H8 = N2 + CO2 + H2O =>
10 N2O + C3H8 = 10 N2 + 3 CO2 + 4 H2O
Bi2O3(s) + CO2(g) = Bi2(CO3)3(s) =>
Bi2O3(s) + 3 CO2(g) = Bi2(CO3)3(s)
NaBr(aq) + KCl(aq) = NaCl(aq) + KBr(aq) =>
NaBr(aq) + KCl(aq) = NaCl(aq) + KBr(aq)
K + Mn + Sn + Se = K2MnSn3Se8 =>
2 K + Mn + 3 Sn + 8 Se = K2MnSn3Se8
H2SO4(aq) + Mg(s) = Mg2SO4 + H2 =>
H2SO4(aq) + 2 Mg(s) = Mg2SO4 + H2
(NH4)2Fe(SO4)2 + K2Cr2O7 + H2SO4 = (NH4)2SO4 + KHSO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
6(NH4)2Fe(SO4)2 + K2Cr2O7 + 8 H2SO4 = 6(NH4)2SO4 + 2 KHSO4 + 3 Fe2(SO4)3 + Cr2(SO4)3 + 7 H2O
C3H7NO2 + NaOH = C3H6NaNO2 + H2O =>
C3H7NO2 + NaOH = C3H6NaNO2 + H2O
KJO3 = KJ + O2 =>
2 KJO3 = 2 KJ + 3 O2
HCr + Li2CO3 = HLi + Cr2CO3 =>
2 HCr + Li2CO3 = 2 HLi + Cr2CO3
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
Co(NO3)2(aq) + NaNO3 = CoNO3 + Na(NO3)2 =>
Co(NO3)2(aq) + NaNO3 = CoNO3 + Na(NO3)2
H{+} + MnO4{-} + H2C2O4 = Mn{2+} + CO2 + H2O =>
6 H{+} + 2 MnO4{-} + 5 H2C2O4 = 2 Mn{2+} + 10 CO2 + 8 H2O
H{+} + SO3{2-} + MnO4{-} = SO4{2-} + Mn{2+} + H2O =>
6 H{+} + 5 SO3{2-} + 2 MnO4{-} = 5 SO4{2-} + 2 Mn{2+} + 3 H2O
(CH3)((CH2)2)(CH3) + (O2) = CO2 + H2O =>
2(CH3)((CH2)2)(CH3) + 13(O2) = 8 CO2 + 10 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
ZnI + Cu1NO2 = ZnNO2 + Cu1I =>
ZnI + Cu1NO2 = ZnNO2 + Cu1I
K + ClO3 = Cl + KO2 =>
3 K + 2 ClO3 = 2 Cl + 3 KO2
Ni + CuSO4 = Ni2SO4 + Cu =>
2 Ni + CuSO4 = Ni2SO4 + Cu
NaCl(s) + H2SO4(aq) = NaHSO4(aq) + HCl(g) =>
NaCl(s) + H2SO4(aq) = NaHSO4(aq) + HCl(g)
(MoO4) + H = (Mo6O19) + H2O =>
6(MoO4) + 10 H = (Mo6O19) + 5 H2O
KCr + AgNO3 = KNO3 + AgCr =>
KCr + AgNO3 = KNO3 + AgCr
H2S + H2NO3 = S + N + H2O =>
2 H2S + H2NO3 = 2 S + N + 3 H2O
MnO4 + Cl{-} + H3O{+} = Mn2{+} + Cl2 + H2O =>
4 MnO4 + 30 Cl{-} + 32 H3O{+} = 2 Mn2{+} + 15 Cl2 + 48 H2O
CH3OH + HOH = CO2 + H2 =>
CH3OH + HOH = CO2 + 3 H2
HSO4{2-} + e + H{+} = S + H2O =>
HSO4{2-} + 5e + 7 H{+} = S + 4 H2O
KCN + HF = KF + HCN =>
KCN + HF = KF + HCN
Fe + CoF = FeF2 + Co = =>
Fe + 2 CoF = FeF2 + 2 Co
Mg3Si2O5(OH)4 + CO2 + H2O = Mg5(CO3)4(OH)2(H2O)4 + SiO2 =>
5 Mg3Si2O5(OH)4 + 12 CO2 + 5 H2O = 3 Mg5(CO3)4(OH)2(H2O)4 + 10 SiO2
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