| Équations équilibrées la veille |
2 C10H18O6 + 23 O2 = 20 CO2 + 18 H2O
H2CO3 + H2O = H3O{+} + CO3{2-} =>
H2CO3 + 2 H2O = 2 H3O{+} + CO3{2-}
HNO3KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 HNO3KNO3 + H2CO3 = K2CO3 + 4 HNO3
C3H16O + O2 = CO2 + H2O =>
2 C3H16O + 13 O2 = 6 CO2 + 16 H2O
KINH4N = NH4IKN =>
KINH4N = NH4IKN
NaH2PO2 + H2SO4 + KMnO4 = MnSO4 + Na2SO4 + H3PO4 + K2SO4 + H2O =>
10 NaH2PO2 + 17 H2SO4 + 8 KMnO4 = 8 MnSO4 + 5 Na2SO4 + 10 H3PO4 + 4 K2SO4 + 12 H2O
S + Fe + HCl = H2S + FeCl3 =>
3 S + 2 Fe + 6 HCl = 3 H2S + 2 FeCl3
[Co(NH2CH2CH2NH2)3] + HCl + H2O2 = (Co(NH2CH2CH2NH2)3)Cl3 + H2O =>
2[Co(NH2CH2CH2NH2)3] + 6 HCl + 3 H2O2 = 2(Co(NH2CH2CH2NH2)3)Cl3 + 6 H2O
HCNO5 + NaOH = NaCNO5 + H2O =>
HCNO5 + NaOH = NaCNO5 + H2O
K3SbO3 + H2O = KOH + K2HSbO3 =>
K3SbO3 + H2O = KOH + K2HSbO3
Methane + oxygen = Carbondioxide + water =>
CH4 + 2 O2 = CO2 + 2 H2O
CaSe = SeCa =>
CaSe = SeCa
(NH4)2SO4 + Fe(OH)2 = FeSO4 + NH3 + H2O =>
(NH4)2SO4 + Fe(OH)2 = FeSO4 + 2 NH3 + 2 H2O
H2 + C + OH = C2H5OH =>
5 H2 + 4 C + 2 OH = 2 C2H5OH
Cu(ClO4)2 + NaOH = Cu(OH)2 + NaClO4 =>
Cu(ClO4)2 + 2 NaOH = Cu(OH)2 + 2 NaClO4
Fe(OH)3 + HCl = Fe(OH)2Cl + H2O =>
Fe(OH)3 + HCl = Fe(OH)2Cl + H2O
HCN + ClO4{-} = CN{-} + HClO4 =>
HCN + ClO4{-} = CN{-} + HClO4
Ca(OH)2 + H2SO4 = CaSO2 + H2O2 =>
Ca(OH)2 + H2SO4 = CaSO2 + 2 H2O2
Fe(OH)6 + H2SO4 = Fe(SO4)3 + H2O =>
Fe(OH)6 + 3 H2SO4 = Fe(SO4)3 + 6 H2O
Na + (OH)2 = Na2(OH)2 =>
2 Na + (OH)2 = Na2(OH)2
Ca(s) + HI(aq) = CaI2(aq) + H2(g) =>
Ca(s) + 2 HI(aq) = CaI2(aq) + H2(g)
Al + NH4ClO4 = HCl + Al2O3 + N + H2O =>
10 Al + 6 NH4ClO4 = 6 HCl + 5 Al2O3 + 6 N + 9 H2O
PH3 + O2 = P4O10 + H2O = H3PO4 =>
4 PH3 + 8 O2 = P4O10 + 6 H2O
Li2CO3 + Co(NO3)2 = LiNO3 + CoCO3 =>
Li2CO3 + Co(NO3)2 = 2 LiNO3 + CoCO3
KNO3 + C12H22O11 = H2O + CO2 + N2 + K20 =>
40 KNO3 + 5 C12H22O11 = 55 H2O + 60 CO2 + 20 N2 + 2 K20
KOH(aq) + C4H6O4Ca(s) = KC4H6O4 + CaOH =>
KOH(aq) + C4H6O4Ca(s) = KC4H6O4 + CaOH
MoO3 = O2 + Mo =>
2 MoO3 = 3 O2 + 2 Mo
Pb + HCl = H + Pb2Cl =>
2 Pb + HCl = H + Pb2Cl
H2SO4 + KBr = Br2 + K2SO4 + H2S + H2O =>
5 H2SO4 + 8 KBr = 4 Br2 + 4 K2SO4 + H2S + 4 H2O
Cl2(g) + CH4(g) + O2(g) = HCl + CO(g) =>
4 Cl2(g) + 2 CH4(g) + O2(g) = 8 HCl + 2 CO(g)
C3H8 = CH4 + C3H6 =>
3 C3H8 = 3 CH4 + 2 C3H6
AgNO3 + Na2CO3 = Ag2CO3 + (NaNO3) =>
2 AgNO3 + Na2CO3 = Ag2CO3 + 2(NaNO3)
HOCH2CH2CH2CH = CH2 + O2 =>
2 HOCH2CH2CH2CH = 8 CH2 + O2
Na2SiO3 + SiO2 + Al2O3 = NaAlSi3O8 =>
Na2SiO3 + 5 SiO2 + Al2O3 = 2 NaAlSi3O8
CH4 + K = CK2 + H2K =>
CH4 + 4 K = CK2 + 2 H2K
CCl4 + HF = HCl + CCl2F2 =>
CCl4 + 2 HF = 2 HCl + CCl2F2
H2CO2 + K2Cr2O7 + H2SO4 = CO2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 H2CO2 + K2Cr2O7 + 4 H2SO4 = 3 CO2 + K2SO4 + Cr2(SO4)3 + 7 H2O
C + Cl = CCl3 =>
C + 3 Cl = CCl3
Cl + Na(OH)2 = ClOH + Na =>
2 Cl + Na(OH)2 = 2 ClOH + Na
SO2 + O2 + HOH = H2SO4 =>
2 SO2 + O2 + 2 HOH = 2 H2SO4
H2CO3 + (OH)K = CO3K2 + H2O =>
H2CO3 + 2(OH)K = CO3K2 + 2 H2O
PbO2 + KI + HNO3 = Pb(NO3)2 + I2 + KNO3 + H2O =>
PbO2 + 2 KI + 4 HNO3 = Pb(NO3)2 + I2 + 2 KNO3 + 2 H2O
Fe2O3 + H2SO4 + H2C2O4 = FeSO4 + CO4 + H2O =>
5 Fe2O3 + 10 H2SO4 + H2C2O4 = 10 FeSO4 + 2 CO4 + 11 H2O
PO + Fe2O3 = Fe + PO4 =>
PO + Fe2O3 = 2 Fe + PO4
Fe(NO3)3(aq) = Fe(aq) + NO3(aq) =>
Fe(NO3)3(aq) = Fe(aq) + 3 NO3(aq)
Fe + H2O2 + F2 = FeO + HF =>
2 Fe + H2O2 + F2 = 2 FeO + 2 HF
C2H5OH + I2 = CI3CHOHI + HI =>
C2H5OH + 4 I2 = CI3CHOHI + 4 HI
MnSO4 + Ca(OCl)2 + NaOH = MnO2 + CaCl2 + Na2SO4 + H2O =>
2 MnSO4 + Ca(OCl)2 + 4 NaOH = 2 MnO2 + CaCl2 + 2 Na2SO4 + 2 H2O
KCr(aq) + BaCl(aq) = KCl + BaCr =>
KCr(aq) + BaCl(aq) = KCl + BaCr
H2SO4 + KOH = H2O4K + SOH =>
H2SO4 + KOH = H2O4K + SOH
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