| Équations équilibrées la veille |
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe + HNO3 = Fe(NO3)2 + NO + H2O =>
3 Fe + 8 HNO3 = 3 Fe(NO3)2 + 2 NO + 4 H2O
Al(HCO3)3 + AlPO4 = Al2(CO3)3 + H3PO4 =>
Al(HCO3)3 + AlPO4 = Al2(CO3)3 + H3PO4
HClO + Mn(OH)2 = Mn(ClO)2 + H2O =>
2 HClO + Mn(OH)2 = Mn(ClO)2 + 2 H2O
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
As + KNO3 + Na2CO3 = Na2AsO4 + KNO2 + CO2 =>
As + 3 KNO3 + Na2CO3 = Na2AsO4 + 3 KNO2 + CO2
Hg + Cl = HgCl =>
Hg + Cl = HgCl
KOH + CaF2 = KF + Ca(OH)2 =>
2 KOH + CaF2 = 2 KF + Ca(OH)2
NH2OH*HCl + HClO = N2 + HCl + H2O =>
2 NH2OH*HCl + HClO = N2 + 3 HCl + 3 H2O
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
P4O10 + NaOH = Na3PO4 + H2O =>
P4O10 + 12 NaOH = 4 Na3PO4 + 6 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Pb(NO3)2(aq)MnI2(aq) = PbI2(s)Mn(NO3)2 =>
Pb(NO3)2(aq)MnI2(aq) = PbI2(s)Mn(NO3)2
O2 + Sb2S3 = Sb3O4 + SO3 =>
35 O2 + 6 Sb2S3 = 4 Sb3O4 + 18 SO3
Fe2(CO3)3 = Fe + (CO3)2 =>
2 Fe2(CO3)3 = 4 Fe + 3(CO3)2
C2H12O2 + O2 = CO2 + H2O =>
C2H12O2 + 4 O2 = 2 CO2 + 6 H2O
C19H32O2 + O2 = CO + H2O =>
2 C19H32O2 + 33 O2 = 38 CO + 32 H2O
NaBr + AgNO3 = NaNO3 + AgBr(s) =>
NaBr + AgNO3 = NaNO3 + AgBr(s)
Na2SO4 + H2SO4 = Na + HSO4 =>
Na2SO4 + H2SO4 = 2 Na + 2 HSO4
CHSO + O2 = CO2 + SO2 + H2O =>
4 CHSO + 7 O2 = 4 CO2 + 4 SO2 + 2 H2O
MgCl2 + Li2(SO4) = Mg(SO4) + LiCl =>
MgCl2 + Li2(SO4) = Mg(SO4) + 2 LiCl
Ca(OH)2 + Al2(SO3)3 = Al(OH)3 + CaSO3 =>
3 Ca(OH)2 + Al2(SO3)3 = 2 Al(OH)3 + 3 CaSO3
CrCl3 + NaOH = Cr(OH)3 + NaCl =>
CrCl3 + 3 NaOH = Cr(OH)3 + 3 NaCl
KBrO3 + MnCl2 + KOH = MnO(OH) + KBr + KCl + H2O =>
KBrO3 + 6 MnCl2 + 12 KOH = 6 MnO(OH) + KBr + 12 KCl + 3 H2O
KMnO4 + KCl + H2SO4 = Cl2 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 10 KCl + 8 H2SO4 = 5 Cl2 + 6 K2SO4 + 2 MnSO4 + 8 H2O
C3H8 + Br2 = C3HBr8 + HBr =>
2 C3H8 + 15 Br2 = 2 C3HBr8 + 14 HBr
V2O5 + NH4H2PO4 + CH2CH(OH) = VPO4 + NH3 + H2O + CO =>
3 V2O5 + 6 NH4H2PO4 + 2 CH2CH(OH) = 6 VPO4 + 6 NH3 + 13 H2O + 4 CO
Sb2S3 + HClO3 + H2O = H2SO4 + HCl + H3SbO4 =>
3 Sb2S3 + 14 HClO3 + 18 H2O = 9 H2SO4 + 14 HCl + 6 H3SbO4
KF + Cl2 = KCl + F2 =>
2 KF + Cl2 = 2 KCl + F2
Au(CN)2(aq) + Zn(s) = Au(s) + Zn(CN)4(aq) =>
2 Au(CN)2(aq) + Zn(s) = 2 Au(s) + Zn(CN)4(aq)
Be + Cl2 + Ba(OH)2 = Ba[Be(OH)4] + BaCl2 =>
Be + Cl2 + 2 Ba(OH)2 = Ba[Be(OH)4] + BaCl2
HNO3 + HCl = NOCl + Cl2 + H2O =>
HNO3 + 3 HCl = NOCl + Cl2 + 2 H2O
Al + HI = AlI + H =>
Al + HI = AlI + H
NaHCO3 + H3PO3 = Na2HPO3 + H2O + CO2 =>
2 NaHCO3 + H3PO3 = Na2HPO3 + 2 H2O + 2 CO2
NaBrO3 + NaBr + HCl = Br2 + H2O + NaCl =>
NaBrO3 + 5 NaBr + 6 HCl = 3 Br2 + 3 H2O + 6 NaCl
MgO + Fe2(CO3)3 = MgCO3 + Fe2O3 =>
3 MgO + Fe2(CO3)3 = 3 MgCO3 + Fe2O3
HCl + Zn = ZnCl2 + H2 =>
2 HCl + Zn = ZnCl2 + H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
Fe(CIO4)3 + Na2CO3 = NaCIO4 + Fe2(CO3)3 =>
2 Fe(CIO4)3 + 3 Na2CO3 = 6 NaCIO4 + Fe2(CO3)3
NH3 + MgSO4 + H2O = Mg(OH)2 + (NH4)2SO4 =>
2 NH3 + MgSO4 + 2 H2O = Mg(OH)2 + (NH4)2SO4
Ca + H2 = Ca(H)2 =>
Ca + H2 = Ca(H)2
HSO4 + Ag(OH) = AgSO4 + H2O =>
HSO4 + Ag(OH) = AgSO4 + H2O
HNO + Cu(OH)2 = Cu(NO)2 + H2O =>
2 HNO + Cu(OH)2 = Cu(NO)2 + 2 H2O
NH4Cl + AgNO3 = AgNH4 + ClNO3 =>
NH4Cl + AgNO3 = AgNH4 + ClNO3
Na2SiO3 + Zn(OH)2 = ZnSiO3 + NaOH =>
Na2SiO3 + Zn(OH)2 = ZnSiO3 + 2 NaOH
Au(CN)2(aq) + Zn(s) = Au(s) + Zn(CN)4(aq) =>
2 Au(CN)2(aq) + Zn(s) = 2 Au(s) + Zn(CN)4(aq)
KCl + Zn3(PO4)2 = ZnCl2 + K3PO4 =>
6 KCl + Zn3(PO4)2 = 3 ZnCl2 + 2 K3PO4
CH4 + C2H2 = C2H4 =>
2 CH4 + 2 C2H2 = 3 C2H4
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