| Équations équilibrées la veille |
6 N3H + 3 NO = 7 N3 + 3 H2O
Pb(ii) + N2 = Pb3N4 =>
3 Pb(ii) + 2 N2 = Pb3N4
Mg(OH)2 + P2O3 = (MgOH)2PHO3 + H2O =>
4 Mg(OH)2 + P2O3 = 2(MgOH)2PHO3 + H2O
K2CrO4 + H2SO4 = Cr2(SO4)3 + H2O + O2 + K2SO4 =>
4 K2CrO4 + 10 H2SO4 = 2 Cr2(SO4)3 + 10 H2O + 3 O2 + 4 K2SO4
H2S(g) + Fe(OH)3(s) = H2O(l) + Fe2S3(s) =>
3 H2S(g) + 2 Fe(OH)3(s) = 6 H2O(l) + Fe2S3(s)
IO2{-} + H2SO3 + H2O = I2{-} + HSO4{2-} + H{+} =>
2 IO2{-} + 7 H2SO3 + 3 H2O = I2{-} + 7 HSO4{2-} + 13 H{+}
Co + Se = Co2Se3 =>
2 Co + 3 Se = Co2Se3
NH4ClO4 = Cl2 + O2 + H2O + N2 =>
2 NH4ClO4 = Cl2 + 2 O2 + 4 H2O + N2
HN3 + Cl2 = NH4Cl + N2 =>
8 HN3 + Cl2 = 2 NH4Cl + 11 N2
Sb2O3(s) + Na2CO3(S) + PbSO4 = Na2O(s) + Sb2SO4(s) + CO2(g) + PbO(s) =>
3 Sb2O3(s) + 2 Na2CO3(S) + PbSO4 = 2 Na2O(s) + 3 Sb2SO4(s) + 2 CO2(g) + PbO(s)
CH3OH(g) = CH3OCH3(g) + H2O(g) =>
2 CH3OH(g) = CH3OCH3(g) + H2O(g)
P + KMnO4 + H2O = MnO2 + H3PO4 + K3PO4 =>
9 P + 15 KMnO4 + 6 H2O = 15 MnO2 + 4 H3PO4 + 5 K3PO4
C7H6O + NaOH = NaC7H5O2 + H =>
C7H6O + NaOH = NaC7H5O2 + 2 H
H2 + O2 + SO3 = H2SO4 =>
2 H2 + O2 + 2 SO3 = 2 H2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2S + HIO3 = S + I2 + H2O =>
5 H2S + 2 HIO3 = 5 S + I2 + 6 H2O
AgNO3 + Au = Au(NO3)3 + Ag =>
3 AgNO3 + Au = Au(NO3)3 + 3 Ag
KO2 + NO = KNO3 =>
KO2 + NO = KNO3
AsS5 + HNO3 = H3AsO4 + NO2 + S + H2O =>
AsS5 + 5 HNO3 = H3AsO4 + 5 NO2 + 5 S + H2O
Zn + OH{-} = ZnO2{-2} + H2 =>
Zn + 2 OH{-} = ZnO2{-2} + H2
Fr + Cl2 = FrCl =>
2 Fr + Cl2 = 2 FrCl
Na2CO3(aq) + CoCl2(aq) = Na2Cl2(aq) + CoCO3(s) =>
Na2CO3(aq) + CoCl2(aq) = Na2Cl2(aq) + CoCO3(s)
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
KI + H2O = KOH + HI =>
KI + H2O = KOH + HI
N2O3 + MgO = Mg + NO2 =>
N2O3 + MgO = Mg + 2 NO2
CoCO3 + H3O = Co + CO2 + H2O =>
CoCO3 + 2 H3O = Co + CO2 + 3 H2O
Na(s) + Br2(l) = NaBr =>
2 Na(s) + Br2(l) = 2 NaBr
AgNO3 + NH3 + H2O = Ag(OH) + NH4NO3 =>
AgNO3 + NH3 + H2O = Ag(OH) + NH4NO3
Fe2P + FeS2 = FeS + P2S5 =>
2 Fe2P + 9 FeS2 = 13 FeS + P2S5
Al(OH)3 + Zn(OH)2 = Al2(ZnO2)3 + H2O =>
2 Al(OH)3 + 3 Zn(OH)2 = Al2(ZnO2)3 + 6 H2O
K2CrO4 + BaCO3 = BaCrO4 + K2CO3 =>
K2CrO4 + BaCO3 = BaCrO4 + K2CO3
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
H2O + KCl = KOH + Cl2 + H2 =>
2 H2O + 2 KCl = 2 KOH + Cl2 + H2
Al(OH)3 + Zn(OH)2 = Al2(ZnO2)3 + H2O =>
2 Al(OH)3 + 3 Zn(OH)2 = Al2(ZnO2)3 + 6 H2O
Li3BO3 + In2O3 + H3BO3 + ZrO2 = Li590In90Zr10B300O900 + H2O =>
590 Li3BO3 + 135 In2O3 + 310 H3BO3 + 30 ZrO2 = 3 Li590In90Zr10B300O900 + 465 H2O
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
Fe2(SO4)3 + LiOH = Li2(SO4) + Fe(OH)3 =>
Fe2(SO4)3 + 6 LiOH = 3 Li2(SO4) + 2 Fe(OH)3
C2H5N + O2 = CO + NO2 + H2O =>
4 C2H5N + 13 O2 = 8 CO + 4 NO2 + 10 H2O
C4N4S2 + K2MnO4 + H2O = CO2 + KNO3 + K2SO4 + MnO2 + KOH =>
C4N4S2 + 24 K2MnO4 + 20 H2O = 4 CO2 + 4 KNO3 + 2 K2SO4 + 24 MnO2 + 40 KOH
C6H5CHBrCH3 + KOH = H2O + KBr + C6H5CHCH2 =>
C6H5CHBrCH3 + KOH = H2O + KBr + C6H5CHCH2
C2H5OH + K2Cr2O7 + H2SO4 = CH3CHO + Cr2(SO4)3 + H2O + K2SO4 =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + 7 H2O + K2SO4
N2O3 + MgO = Mg + NO2 =>
N2O3 + MgO = Mg + 2 NO2
Cr(OH)3 + NaClO + KOH = K2CrO4 + NaCl + H2O =>
2 Cr(OH)3 + 3 NaClO + 4 KOH = 2 K2CrO4 + 3 NaCl + 5 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Al(OH)3 + K2C2O4 + H2C2O4 = K3(Al(C2O4)3) + H2O =>
2 Al(OH)3 + 3 K2C2O4 + 3 H2C2O4 = 2 K3(Al(C2O4)3) + 6 H2O
PCl3 + H2O = H3PO3(aq) + HCl =>
PCl3 + 3 H2O = H3PO3(aq) + 3 HCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
SnSe + O2 = SeO2 + SnO =>
2 SnSe + 3 O2 = 2 SeO2 + 2 SnO
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