| Équations équilibrées la veille |
4 CH3CH2 + 3 O2 = 4 CH3CHO + 2 H2O
KCH3CO2 + (NH4)2SO4 = K2SO4 + NH4CH3CO2 =>
2 KCH3CO2 + (NH4)2SO4 = K2SO4 + 2 NH4CH3CO2
NO + Br2 = NBr2 + O2 =>
2 NO + 2 Br2 = 2 NBr2 + O2
H2Y + NaOH = Na + H2O + HY =>
H2Y + NaOH = Na + H2O + HY
NH3 + H{2}SO{4} = (NH4){2}SO{4} =>
NH3 + H{2}SO{4} = (NH4){2}SO{4}
CH3C4H9 + O2 = CO2 + H2O =>
CH3C4H9 + 8 O2 = 5 CO2 + 6 H2O
Ba(HO3)2 + Na2SO4 = BaSO4 + NaHO3 =>
Ba(HO3)2 + Na2SO4 = BaSO4 + 2 NaHO3
Ba(OH)2(aq) + NaCl(aq) = BaCl2(aq) + NaOH(aq) =>
Ba(OH)2(aq) + 2 NaCl(aq) = BaCl2(aq) + 2 NaOH(aq)
Li2S + FeCl2 = Li2Cl2 + FeS =>
Li2S + FeCl2 = Li2Cl2 + FeS
SiO2 + K = Si + K2O =>
SiO2 + 4 K = Si + 2 K2O
P4 + CdBr2 = Cd3P2 + Br =>
P4 + 6 CdBr2 = 2 Cd3P2 + 12 Br
KHS + FeCl3 = KCl + Fe(HS)3 =>
3 KHS + FeCl3 = 3 KCl + Fe(HS)3
Na2CrO3 + CuSO4 = Na2SO4 + CuCrO3 =>
Na2CrO3 + CuSO4 = Na2SO4 + CuCrO3
Fe(NO3)3 + Cs = Fe + Cs(NO3)3 =>
Fe(NO3)3 + Cs = Fe + Cs(NO3)3
Cs + Te = CsTe =>
Cs + Te = CsTe
Hg(NO3)2 + Na2S = Na2(NO3)2 + HgS =>
Hg(NO3)2 + Na2S = Na2(NO3)2 + HgS
UO2(OH)2 + NaOH = Na2U2O7 + H2O =>
2 UO2(OH)2 + 2 NaOH = Na2U2O7 + 3 H2O
PbO = Pb + O2 =>
2 PbO = 2 Pb + O2
NaCl + HO = NaO + HCl =>
NaCl + HO = NaO + HCl
NaHCO3 + H3C6H5O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + H3C6H5O7 = 3 CO2 + 3 H2O + Na3C6H5O7
CH2H5OH + O2 = CO2 + H2O =>
2 CH2H5OH + 5 O2 = 2 CO2 + 8 H2O
Ca(OH)2 + SiO2 + H2O = CaO*2SiO2*3H2O =>
Ca(OH)2 + 2 SiO2 + 2 H2O = CaO*2SiO2*3H2O
H3SbO4 = Sb2O5 + H2O =>
2 H3SbO4 = Sb2O5 + 3 H2O
C6H6N2O + O2 = CO2 + H2O + N2 =>
C6H6N2O + 7 O2 = 6 CO2 + 3 H2O + N2
Cu(s) + Fe2O3(s) = Cu2O3(s) + Fe(s) =>
2 Cu(s) + Fe2O3(s) = Cu2O3(s) + 2 Fe(s)
Ta + N2 = TaN =>
2 Ta + N2 = 2 TaN
C6H5NO2 + Al + NaOH + H2O = C6H5NH2 + Na[Al(OH)4] =>
C6H5NO2 + 2 Al + 2 NaOH + 4 H2O = C6H5NH2 + 2 Na[Al(OH)4]
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
FeI3 + Sr(OH)2 = Fe(OH)3 + SrI2 =>
2 FeI3 + 3 Sr(OH)2 = 2 Fe(OH)3 + 3 SrI2
C5H11O2N + O2 = CO2 + H2O + NH3 =>
C5H11O2N + 6 O2 = 5 CO2 + 4 H2O + NH3
H2WO4 + NaOH = Na2WO4 + H2O =>
H2WO4 + 2 NaOH = Na2WO4 + 2 H2O
C{-}C = C{-}C{-}C =>
C{-}C = C{-}C{-}C
K2S + CoCl2 = KCl + CoS =>
K2S + CoCl2 = 2 KCl + CoS
MgO + HClO2 = Mg(ClO2)2 + H2O =>
MgO + 2 HClO2 = Mg(ClO2)2 + H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CH3CH2CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3CH2CH2COOH + H2O =>
5 CH3CH2CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO2 + 5 CH3CH2CH2COOH + 13 H2O
WO3 + CO2 = WC + O2 =>
2 WO3 + 2 CO2 = 2 WC + 5 O2
Zn + Al(SO4)3 = Zn(SO4)2 + Al =>
3 Zn + 2 Al(SO4)3 = 3 Zn(SO4)2 + 2 Al
CH4S + CO = C3H6OS + H2S =>
2 CH4S + CO = C3H6OS + H2S
NaNO3 + Mg + H2O = NH3 + Mg(OH)2 + NaOH =>
NaNO3 + 4 Mg + 6 H2O = NH3 + 4 Mg(OH)2 + NaOH
MgO + H3PO4 = Mg3(PO4)2 + H2O =>
3 MgO + 2 H3PO4 = Mg3(PO4)2 + 3 H2O
Na2TeO2 + NaI + HCl = NaCl + Te + I2 + H2O =>
Na2TeO2 + 2 NaI + 4 HCl = 4 NaCl + Te + I2 + 2 H2O
Pb + H2S = PbS + H =>
Pb + H2S = PbS + 2 H
Cu5 + AgNO3 = Ag5 + Cu(NO3)2 =>
Cu5 + 10 AgNO3 = 2 Ag5 + 5 Cu(NO3)2
As5S5 + HNO3 + H2O = H2SO4 + H3AsO4 + NO =>
3 As5S5 + 55 HNO3 + 10 H2O = 15 H2SO4 + 15 H3AsO4 + 55 NO
HCN + Cs2SO4 = H2SO4 + CsCN =>
2 HCN + Cs2SO4 = H2SO4 + 2 CsCN
MgS + KI = MgI2 + K2S =>
MgS + 2 KI = MgI2 + K2S
K4Fe3(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe3(CN)6 + 134 KMnO4 + 353 H2SO4 = 174 KHSO4 + 15 Fe2(SO4)3 + 134 MnSO4 + 60 HNO3 + 60 CO2 + 236 H2O
(C6H5)2NH + O2 = CO2 + H2O + N2 =>
4(C6H5)2NH + 59 O2 = 48 CO2 + 22 H2O + 2 N2
I4O9 + H2O = HIO3 + I2 =>
5 I4O9 + 9 H2O = 18 HIO3 + I2
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