| Équations équilibrées la veille |
2 AgNO3 + 2 KOH = Ag2O + 2 KNO3 + H2O
H3Po4 + Na2O = Na3Po4 + H2O =>
2 H3Po4 + 3 Na2O = 2 Na3Po4 + 3 H2O
C4H10 + Br2 = C2H4Br + HBr =>
C4H10 + 2 Br2 = 2 C2H4Br + 2 HBr
Al + K2Cr2O7 + H2SO4 = Al2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
2 Al + K2Cr2O7 + 7 H2SO4 = Al2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
C5H10 + FeCl3 = C5H8FeCl + HCl =>
C5H10 + FeCl3 = C5H8FeCl + 2 HCl
Ag2BaTe2 + SnTe + Te = Ag2BaSnTe4 =>
Ag2BaTe2 + SnTe + Te = Ag2BaSnTe4
NaHO + HNO3 = H(HO)NaNO3 =>
NaHO + HNO3 = H(HO)NaNO3
CH3ONa + CH3Br = CH3OCH3 + NaBr =>
CH3ONa + CH3Br = CH3OCH3 + NaBr
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Ni(NO3)2 + K2C2O4 = NiC2O4 + K2(NO3)2 =>
Ni(NO3)2 + K2C2O4 = NiC2O4 + K2(NO3)2
NaCl + MnO2 = MnCl4 + Na2O =>
4 NaCl + MnO2 = MnCl4 + 2 Na2O
Ni3N = Ni + N =>
Ni3N = 3 Ni + N
H2SO4 + [Co(NH3)5Cl]Cl2 = HCl + [Co(NH3)5Cl]SO4 =>
H2SO4 + [Co(NH3)5Cl]Cl2 = 2 HCl + [Co(NH3)5Cl]SO4
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Al(OH)3 + HCl(aq) = AlCl3 + H2O =>
Al(OH)3 + 3 HCl(aq) = AlCl3 + 3 H2O
Ca(OH)2 + K = Ca + OHK =>
Ca(OH)2 + 2 K = Ca + 2 OHK
Al + ZrCl4 = AlCl3 + ZrCl =>
Al + ZrCl4 = AlCl3 + ZrCl
Zn(NO3)2 + FeCl3 = ZnCl2 + Fe(NO3)3 =>
3 Zn(NO3)2 + 2 FeCl3 = 3 ZnCl2 + 2 Fe(NO3)3
P4(s) + N2O(g) = P4O6 + N2(g) =>
P4(s) + 6 N2O(g) = P4O6 + 6 N2(g)
LiCI + K2O = Li2O + KCI =>
2 LiCI + K2O = Li2O + 2 KCI
HMnO4 + Al(OH)3 = H2O + Al + MnO4 =>
3 HMnO4 + Al(OH)3 = 3 H2O + Al + 3 MnO4
FeCl3 + NH4NCS = Fe(NCS)3 + NH4Cl =>
FeCl3 + 3 NH4NCS = Fe(NCS)3 + 3 NH4Cl
Ca(ClO3)2 + K2CO3 = CaCO3 + KClO3 =>
Ca(ClO3)2 + K2CO3 = CaCO3 + 2 KClO3
Fe(SCN) + AgNO3 = AgSCN + Fe(NO3) =>
Fe(SCN) + AgNO3 = AgSCN + Fe(NO3)
Ba + O2 + H2O = Ba(OH)2 =>
2 Ba + O2 + 2 H2O = 2 Ba(OH)2
K3N + MgBr2 = Mg3N2 + KBr =>
2 K3N + 3 MgBr2 = Mg3N2 + 6 KBr
Al(OH)3 + LiBr = AlBr3 + LiOH =>
Al(OH)3 + 3 LiBr = AlBr3 + 3 LiOH
Ba(NO3)2 + Cu2SO4 = BaSO4 + CuNO3 =>
Ba(NO3)2 + Cu2SO4 = BaSO4 + 2 CuNO3
COCl2 = CO + Cl =>
COCl2 = CO + 2 Cl
H2O + HAuCl4 + NaBH4 = Au + H3BO3 + NaCl + HCl =>
9 H2O + 8 HAuCl4 + 3 NaBH4 = 8 Au + 3 H3BO3 + 3 NaCl + 29 HCl
NH3 + Mn2O7 = MnO2 + N2 + H2O =>
2 NH3 + Mn2O7 = 2 MnO2 + N2 + 3 H2O
Pb(NO3)2(aq) + Na2(CO3)(aq) = Pb(CO3)(aq) + Na(NO3)(aq) =>
Pb(NO3)2(aq) + Na2(CO3)(aq) = Pb(CO3)(aq) + 2 Na(NO3)(aq)
C7H6O2C4H10O = C11H14O2H2O =>
C7H6O2C4H10O = C11H14O2H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
As + Zn + H2SO4 = As2(SO4)3 + H2Zn =>
2 As + 3 Zn + 3 H2SO4 = As2(SO4)3 + 3 H2Zn
H2O + Zn + ClO{-} = Zn(OH)2 + Cl{-}basicenvironment =>
H2O + Zn + ClO{-} = Zn(OH)2 + Cl{-}basicenvironment
HCO + H = CH2O =>
HCO + H = CH2O
PB + H3PO4 = H4 + PB(PO4)2 =>
2 PB + 4 H3PO4 = 3 H4 + 2 PB(PO4)2
ClO3{-} + SO2 = ClO2 + SO4{-2} =>
2 ClO3{-} + SO2 = 2 ClO2 + SO4{-2}
Cl2(g) + NaBr(s) = NaCl(s) + Br2(g) =>
Cl2(g) + 2 NaBr(s) = 2 NaCl(s) + Br2(g)
C5O2H8 + O2 = H2O + COH =>
4 C5O2H8 + 9 O2 = 6 H2O + 20 COH
C2H6O + C2H4O2 = C19H22O6 + H2O =>
5 C2H6O + 14 C2H4O2 = 2 C19H22O6 + 21 H2O
Ba(NO3)2 + K(OH) = Ba(OH)2 + KNO3 =>
Ba(NO3)2 + 2 K(OH) = Ba(OH)2 + 2 KNO3
MgI2 + HNO3 = HI + Mg(NO3)2 =>
MgI2 + 2 HNO3 = 2 HI + Mg(NO3)2
H3PO4 + Fe(OH)3 = FePO4 + H2O =>
H3PO4 + Fe(OH)3 = FePO4 + 3 H2O
H2SO4 + HI + K2Cr2O7 = Cr2(SO4)3 + H2O + I2 + K2SO4 =>
4 H2SO4 + 6 HI + K2Cr2O7 = Cr2(SO4)3 + 7 H2O + 3 I2 + K2SO4
Eu4ZrP4O16 = Eu15ZrP12O48 + ZrO2 + EuPO4 + P4 =>
28 Eu4ZrP4O16 = 4 Eu15ZrP12O48 + 24 ZrO2 + 52 EuPO4 + 3 P4
HCl(aq) + KMnO4(aq) = KCl(aq) + H2O(l) + MnCl2(aq) + Cl2(aq) =>
16 HCl(aq) + 2 KMnO4(aq) = 2 KCl(aq) + 8 H2O(l) + 2 MnCl2(aq) + 5 Cl2(aq)
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaCl
H3B3O6 = B2O3 + H2O =>
2 H3B3O6 = 3 B2O3 + 3 H2O
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