| Équations équilibrées la veille |
(C4H10O) + 6 O2 = 4 CO2 + 5 H2O
K[Cr(OH)4] + KOH + KBrO3 = K2CrO4 + H2O + KBr =>
2 K[Cr(OH)4] + 2 KOH + KBrO3 = 2 K2CrO4 + 5 H2O + KBr
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(g) =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(g)
Mg(OH)2 + (NH4)3PO4 = Mg3(PO4)2 + NH3 + H2O =>
3 Mg(OH)2 + 2(NH4)3PO4 = Mg3(PO4)2 + 6 NH3 + 6 H2O
KMnO4 + P2H4 + H2SO4 = H3PO4 + K2SO4 + H2O + MnSO4 =>
14 KMnO4 + 5 P2H4 + 21 H2SO4 = 10 H3PO4 + 7 K2SO4 + 16 H2O + 14 MnSO4
N2O4 + N2H4 = H2O + N2 =>
N2O4 + 2 N2H4 = 4 H2O + 3 N2
Zn(NO3)2 + Na2S = NaNO3 + ZnS =>
Zn(NO3)2 + Na2S = 2 NaNO3 + ZnS
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NO2 + H2O = NO(OH)2 =>
NO2 + H2O = NO(OH)2
KHF2(s) = KF(s) + H2(g) + F2(g) =>
2 KHF2(s) = 2 KF(s) + H2(g) + F2(g)
BaOH + H2 + SO4 = BaSO4 + HOH =>
2 BaOH + H2 + 2 SO4 = 2 BaSO4 + 2 HOH
MnO2 + Al = Mn2 + O2Al =>
2 MnO2 + 2 Al = Mn2 + 2 O2Al
NH4Cl + H2O = Cl{-} + H3O{+} + NH3 =>
NH4Cl + H2O = Cl{-} + H3O{+} + NH3
NaNO2 + H2O = Na{+} + HNO2 + OH{-} =>
NaNO2 + H2O = Na{+} + HNO2 + OH{-}
Al(s) + HCl = Al2Cl3 + H2 =>
4 Al(s) + 6 HCl = 2 Al2Cl3 + 3 H2
H2S + K3[Al(OH)6] = KHS + Al(OH)3 + H2O =>
3 H2S + K3[Al(OH)6] = 3 KHS + Al(OH)3 + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CuOH(s) + H2SO4(aq) = H2O(l) + Cu2SO4(aq) =>
2 CuOH(s) + H2SO4(aq) = 2 H2O(l) + Cu2SO4(aq)
H3C6H5O7 + KOH = H2O + KH2C6H5O7 =>
H3C6H5O7 + KOH = H2O + KH2C6H5O7
NaF + Fe(SCN)2 = Fe(F)3 + Na + SCN =>
3 NaF + Fe(SCN)2 = Fe(F)3 + 3 Na + 2 SCN
FeH3 + Li3I = FeI3 + Li3H =>
FeH3 + 3 Li3I = FeI3 + 3 Li3H
(NH4)3 + Pb = Pb(NH4)3 =>
(NH4)3 + Pb = Pb(NH4)3
K2CrO4 + K4Fe(CN)6 = K2FeO4 + K4Cr(CN)6 =>
K2CrO4 + K4Fe(CN)6 = K2FeO4 + K4Cr(CN)6
C4H10 + O2 = CO2(g) + H2O(g) =>
2 C4H10 + 13 O2 = 8 CO2(g) + 10 H2O(g)
NH3H2O + BaCl2 = Ba(OH)2 + NH4Cl =>
2 NH3H2O + BaCl2 = Ba(OH)2 + 2 NH4Cl
H{2}Co{3} + NaCl = Na{2}Co{3} + HCl =>
H{2}Co{3} + NaCl = Na{2}Co{3} + HCl
Ca(OH) + HSO4 = Ca(SO4) + H2O =>
Ca(OH) + HSO4 = Ca(SO4) + H2O
Ni(OH)2 + (NH4)2S = Ni2S2 + NH4OH =>
2 Ni(OH)2 + 2(NH4)2S = Ni2S2 + 4 NH4OH
Li2 + O + H2O = LiOH =>
Li2 + O + H2O = 2 LiOH
Ca(OH)2 + HCI = Ca(CI)2 + H2O =>
Ca(OH)2 + 2 HCI = Ca(CI)2 + 2 H2O
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
NaOH + K2CO3 = Na2CO3 + K(OH) =>
2 NaOH + K2CO3 = Na2CO3 + 2 K(OH)
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
HBr + Ba(OH)2 = Br2Ba + H2O =>
2 HBr + Ba(OH)2 = Br2Ba + 2 H2O
HCrO4{-} + H2S + H{+} = Cr2O3 + SO42{-} + H2O =>
170 HCrO4{-} + 6 H2S + 164 H{+} = 85 Cr2O3 + 6 SO42{-} + 173 H2O
SiH4 + KMnO4 = SiO2 + K + Mn + H2O =>
SiH4 + KMnO4 = SiO2 + K + Mn + 2 H2O
LiOH + Al = Al(OH)3 + Li =>
3 LiOH + Al = Al(OH)3 + 3 Li
Mg + Ag(l)(NO3)2 = Ag + Mg(l)(NO3)2 =>
Mg + Ag(l)(NO3)2 = Ag + Mg(l)(NO3)2
Cu{+2} + (CO3){-2} = CuCO3 =>
Cu{+2} + (CO3){-2} = CuCO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CrO3 + CaSO4 = Cr(SO4)3 + CaO =>
CrO3 + 3 CaSO4 = Cr(SO4)3 + 3 CaO
Fe(OH)(NO3)2 + KOH = KNO3 + Fe(OH)3 =>
Fe(OH)(NO3)2 + 2 KOH = 2 KNO3 + Fe(OH)3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Pb(NO3)2 = Pb + NO2 + O2 =>
Pb(NO3)2 = Pb + 2 NO2 + O2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Ca(NO3)2 + H2O = CaO + HNO3 =>
Ca(NO3)2 + H2O = CaO + 2 HNO3
Fe(NO3)3 + Na2SO3 + H2O = Na2SO4 + Fe(NO3)2 + HNO3 =>
2 Fe(NO3)3 + Na2SO3 + H2O = Na2SO4 + 2 Fe(NO3)2 + 2 HNO3
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
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