| Équations équilibrées la veille |
C8H18 = C5H10 + C3H8
Ba(OH)2 + HBr = BaBr2 + H2O =>
Ba(OH)2 + 2 HBr = BaBr2 + 2 H2O
ZnO + Na2O = Na2Zn + O2 =>
ZnO + Na2O = Na2Zn + O2
SrCl2 + H2O + NaOH = SrCl2OH + NaH2O =>
SrCl2 + H2O + NaOH = SrCl2OH + NaH2O
KOH(aq) + Mg(NO3)2 = Mg(OH)2(s) + KNO3(aq) =>
2 KOH(aq) + Mg(NO3)2 = Mg(OH)2(s) + 2 KNO3(aq)
MgS = Mg + S =>
MgS = Mg + S
NiF2 + Mg(NO3)2 = Ni(NO3)2 + MgF2 =>
NiF2 + Mg(NO3)2 = Ni(NO3)2 + MgF2
Xe() + F2() = XeF6() =>
Xe() + 3 F2() = XeF6()
AlBr3(aq) + Ca2CO3(aq) = Al2(CO3)3(s) + CaBr(aq) =>
2 AlBr3(aq) + 3 Ca2CO3(aq) = Al2(CO3)3(s) + 6 CaBr(aq)
Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
FeCl3 + Fe(NO3)2 = Fe(NO3)3 + FeCl2 =>
2 FeCl3 + 3 Fe(NO3)2 = 2 Fe(NO3)3 + 3 FeCl2
VF5 + HI = V2I10 + HF =>
2 VF5 + 10 HI = V2I10 + 10 HF
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
PbO2 + H2O = Pb(OH)4 =>
PbO2 + 2 H2O = Pb(OH)4
NH4VO3 + H2SO4 + Zn = V2 + (NH4)2SO4 + H2O + ZnSO4 =>
2 NH4VO3 + 6 H2SO4 + 5 Zn = V2 + (NH4)2SO4 + 6 H2O + 5 ZnSO4
P2I4(s) + P4(s) + H2O(l) = PH4I(s) + H3PO4(aq) =>
10 P2I4(s) + 13 P4(s) + 128 H2O(l) = 40 PH4I(s) + 32 H3PO4(aq)
KI + H2SO4 + H2O2 = KSO4 + H2O + I2 =>
2 KI + 2 H2SO4 + 2 H2O2 = 2 KSO4 + 4 H2O + I2
C4H6O2 + NaOH = C4H8O3 + Na2O =>
C4H6O2 + 2 NaOH = C4H8O3 + Na2O
CI2 + MgCO3 = MgCI2 + CO3 =>
CI2 + MgCO3 = MgCI2 + CO3
BaCO3 + C + H2O = CO + Ba(OH)2 =>
BaCO3 + C + H2O = 2 CO + Ba(OH)2
K2Cr2O7 + H2SO4 + KCl = Cr2(SO4)3 + K2SO4 + H2O + Cl2 =>
K2Cr2O7 + 7 H2SO4 + 6 KCl = Cr2(SO4)3 + 4 K2SO4 + 7 H2O + 3 Cl2
SnS2 + Ca = CaS + Sn =>
SnS2 + 2 Ca = 2 CaS + Sn
HClO = HClO3 + HCl =>
3 HClO = HClO3 + 2 HCl
Ca(HCO3)2 + H2SO3 = H2O + CO2 + CaSO3 =>
Ca(HCO3)2 + H2SO3 = 2 H2O + 2 CO2 + CaSO3
Al(SO4)3 + Ca(oh) = Al(oh)3 + CaSO4 =>
3 Al(SO4)3 + 9 Ca(oh) = Al(oh)3 + 9 CaSO4
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
C4H6O2 + NaOH = C4H8O3 + Na2O =>
C4H6O2 + 2 NaOH = C4H8O3 + Na2O
CH4 + O = CO2 + H2O =>
CH4 + 4 O = CO2 + 2 H2O
NO + KOH = N20 + KNO2 + H2O =>
60 NO + 40 KOH = N20 + 40 KNO2 + 20 H2O
BaCO3 + HNO3 = Ba(NO3)2 + H2O + CO2 =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + H2O + CO2
HC6H5O + H2O = H3O{+} + C6H5O{-} =>
HC6H5O + H2O = H3O{+} + C6H5O{-}
Sb(s) + O2(g) = Sb3O3(s) =>
6 Sb(s) + 3 O2(g) = 2 Sb3O3(s)
Br2 + F = BrF5 =>
Br2 + 10 F = 2 BrF5
Fe(NO3)3*9H2O + La(NO3)3*6H2O + Sr(NO3)2 + SrF2 + Co(NO3)2*6H2O + O2 + CaCO3 + BaCO3 = La5Sr2Ca1Ba2Fe4Co6O30F + H2O + N2O5 + CO6 =>
8 Fe(NO3)3*9H2O + 10 La(NO3)3*6H2O + 3 Sr(NO3)2 + SrF2 + 12 Co(NO3)2*6H2O + 18 O2 + 2 CaCO3 + 4 BaCO3 = 2 La5Sr2Ca1Ba2Fe4Co6O30F + 204 H2O + 42 N2O5 + 6 CO6
BaCl2 + Na2SO4 = BaSO4 + Cl + Na =>
BaCl2 + Na2SO4 = BaSO4 + 2 Cl + 2 Na
S(s) + O2 = SO =>
2 S(s) + O2 = 2 SO
K3PO4 + H3PO4 = KH2PO4 =>
K3PO4 + 2 H3PO4 = 3 KH2PO4
C3H5(OH)3(g) + O2(g) = CO2 + H2O =>
2 C3H5(OH)3(g) + 7 O2(g) = 6 CO2 + 8 H2O
C2H3O5 + O2 = CO2 + H2O =>
4 C2H3O5 + O2 = 8 CO2 + 6 H2O
ZnCl2 + F2 = ZnF2 + Cl2 =>
ZnCl2 + F2 = ZnF2 + Cl2
CuSO4 + Na3PO4 = Cu3(PO4)2 + Na2SO4 =>
3 CuSO4 + 2 Na3PO4 = Cu3(PO4)2 + 3 Na2SO4
MgF2 + Cl2 = MgCl2 + F2 =>
MgF2 + Cl2 = MgCl2 + F2
MnO2 + K2CO3 + KClO3 = K2MnO4 + KCl + CO2 =>
3 MnO2 + 3 K2CO3 + KClO3 = 3 K2MnO4 + KCl + 3 CO2
NaCl + Br2 = Na + BrCl2 =>
4 NaCl + Br2 = 4 Na + 2 BrCl2
ClC7H5O2 + HNO3 = ClC7H5O4N + OH =>
ClC7H5O2 + HNO3 = ClC7H5O4N + OH
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
HCl + Na2CO3 = Na2Cl2 + H2O + CO2 =>
2 HCl + Na2CO3 = Na2Cl2 + H2O + CO2
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
CaC2(s) + H2O(l) + CO2(g) = CH2CHCOOH(l) + Ca(OH)(s) =>
4 CaC2(s) + 8 H2O(l) + CO2(g) = 3 CH2CHCOOH(l) + 4 Ca(OH)(s)
(a)H2(g) + O2(g) = H2O(g) =>
2(a)H2(g) + O2(g) = 2 H2O(g)
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