| Équations équilibrées la veille |
N2 + 3 H2 = 2 NH3
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CrCl3 + NaBrO + NaOH = Na2CrO4 + NaBr + NaCl + H2O =>
2 CrCl3 + 3 NaBrO + 10 NaOH = 2 Na2CrO4 + 3 NaBr + 6 NaCl + 5 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
SnCl2(aq) + NaOH(aq) = Sn(OH)2(s) + NaCl(aq) =>
SnCl2(aq) + 2 NaOH(aq) = Sn(OH)2(s) + 2 NaCl(aq)
C6H4(OH)2 + H2O2 = C6H4O2 + H2O =>
C6H4(OH)2 + H2O2 = C6H4O2 + 2 H2O
Cr2(SO4) + KClO3 + KOH = K2CrO4 + KCl + K2SO4 + H2O =>
3 Cr2(SO4) + 5 KClO3 + 18 KOH = 6 K2CrO4 + 5 KCl + 3 K2SO4 + 9 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaOH + HCl = NaCl + HOH =>
NaOH + HCl = NaCl + HOH
Na2SiO3 + HCl = SiO2 + NaCl + H2O =>
Na2SiO3 + 2 HCl = SiO2 + 2 NaCl + H2O
H2S + Co(NO3)3 = Co2S3 + HNO3 =>
3 H2S + 2 Co(NO3)3 = Co2S3 + 6 HNO3
BiO3{-} + Cr{+} + H{+} = Cr2O7{2-} + Bi{3+} + H2O =>
5 BiO3{-} + 2 Cr{+} + 16 H{+} = Cr2O7{2-} + 5 Bi{3+} + 8 H2O
RuCl6 + Na2S2 = RuS3 + NaCl + S =>
RuCl6 + 3 Na2S2 = RuS3 + 6 NaCl + 3 S
K2CrO4 + AgNO3 = Ag2CrO4 + KNO3 =>
K2CrO4 + 2 AgNO3 = Ag2CrO4 + 2 KNO3
A2B + C = A4 + B3C =>
6 A2B + 2 C = 3 A4 + 2 B3C
CKN + H2O = HCN + K + OH =>
CKN + H2O = HCN + K + OH
KIO + KOH + Cl2 = KCl + KIO4 + H2O =>
KIO + 6 KOH + 3 Cl2 = 6 KCl + KIO4 + 3 H2O
CoCl2 + NaClO = Co2O3 + NaCl + Cl2 =>
2 CoCl2 + 3 NaClO = Co2O3 + 3 NaCl + 2 Cl2
NH4Br + Pb(C2H3O2)2 = C2H7NO2 + PbBr2 =>
2 NH4Br + Pb(C2H3O2)2 = 2 C2H7NO2 + PbBr2
Cu + Ba3N2 = Cu3N2 + Ba =>
3 Cu + Ba3N2 = Cu3N2 + 3 Ba
Cu(NO3)2 + NaSO4 = Cu(SO4)2 + NaNO3 =>
Cu(NO3)2 + 2 NaSO4 = Cu(SO4)2 + 2 NaNO3
KBr + Sn(NO3)2 = KNO3 + SnBr2 =>
2 KBr + Sn(NO3)2 = 2 KNO3 + SnBr2
Ar + Be = ArBe =>
Ar + Be = ArBe
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
KNO3 + Zn + H2SO4 = ZnSO4 + (NH4)SO4 + KSO4 + H2O =>
KNO3 + 3 Zn + 5 H2SO4 = 3 ZnSO4 + (NH4)SO4 + KSO4 + 3 H2O
AlCl3 + CaCO3 = CaCl3 + AlCO3 =>
AlCl3 + CaCO3 = CaCl3 + AlCO3
Pb(NO3) + LiSO4 = PbSO4 + LiNO3 =>
Pb(NO3) + LiSO4 = PbSO4 + LiNO3
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
MnO2 + CH3COOH = Mn{+4} + CH3COO{-} + H2O =>
MnO2 + 4 CH3COOH = Mn{+4} + 4 CH3COO{-} + 2 H2O
PH3 + HBr = PH4Br =>
PH3 + HBr = PH4Br
H2SO4 + Ca(HCO3)2 = CaSO4 + CO2 + H2O =>
H2SO4 + Ca(HCO3)2 = CaSO4 + 2 CO2 + 2 H2O
CrCl2 + AgC2H3O2 = Cr(C2H3O2)2 + AgCl =>
CrCl2 + 2 AgC2H3O2 = Cr(C2H3O2)2 + 2 AgCl
Al4C3(s) = Al(s) + C(s) =>
Al4C3(s) = 4 Al(s) + 3 C(s)
Yb2O3 + SiO2 = Yb2Si2O7 =>
Yb2O3 + 2 SiO2 = Yb2Si2O7
(HCO3) + HCl = Cl2 + CO2(g) + H2O(l) =>
2(HCO3) + 2 HCl = Cl2 + 2 CO2(g) + 2 H2O(l)
Si2H3 + O2 = SiO2 + H2OO3 =>
2 Si2H3 + 10 O2 = 4 SiO2 + 3 H2OO3
FeSO4 + O2 = Fe2O3 + SO3 =>
4 FeSO4 + O2 = 2 Fe2O3 + 4 SO3
NaCN + HBr = NaBr + HCN =>
NaCN + HBr = NaBr + HCN
Pb + MnCl2 = Mn + PbCl2 =>
Pb + MnCl2 = Mn + PbCl2
K2CO3 + HNO3 = CO3 + K2HNO3 =>
K2CO3 + HNO3 = CO3 + K2HNO3
Cl + C4H10 = C4H10Cl =>
Cl + C4H10 = C4H10Cl
HCl + HNO3 = NO + H2O + Cl2 =>
6 HCl + 2 HNO3 = 2 NO + 4 H2O + 3 Cl2
CCl4 + H2 = CH4 + HCl =>
CCl4 + 4 H2 = CH4 + 4 HCl
CH3NH2 + HCIO3 = CH3NH3 + CIO3 =>
CH3NH2 + HCIO3 = CH3NH3 + CIO3
H{+} + Cr2O7{2-} + NH3 = Cr{2+} + N2 + H2O =>
18 H{+} + 3 Cr2O7{2-} + 8 NH3 = 6 Cr{2+} + 4 N2 + 21 H2O
Al + KClO4 + H2SO4 = Al2(SO4)3 + KCl + H2O =>
8 Al + 3 KClO4 + 12 H2SO4 = 4 Al2(SO4)3 + 3 KCl + 12 H2O
Na3AsO4 + H2SO4 = Na2SO4 + H3AsO4 =>
2 Na3AsO4 + 3 H2SO4 = 3 Na2SO4 + 2 H3AsO4
NH3 + CrO3 = N2O3 + Cr2O3 + H2O =>
2 NH3 + 4 CrO3 = N2O3 + 2 Cr2O3 + 3 H2O
Mg(HCO3)2 + CaO = MgCO3 + CaCO3 + H2O =>
Mg(HCO3)2 + CaO = MgCO3 + CaCO3 + H2O
MnCl2 + Pb = Mn + PbCl4 =>
2 MnCl2 + Pb = 2 Mn + PbCl4
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