| Équations équilibrées la veille |
SrCl2 + 2 NaNO3 = Sr(NO3)2 + 2 NaCl
C4H9COOH + O2 = CO2 + H2O =>
2 C4H9COOH + 13 O2 = 10 CO2 + 10 H2O
HCl + HNO3 + PtO = H2PtCl6 + H2O + NOCl =>
7 HCl + HNO3 + PtO = H2PtCl6 + 3 H2O + NOCl
HClH2O = ClH3O =>
HClH2O = ClH3O
H{+} + Mg = H2 + Mg{+}2 =>
2 H{+} + 2 Mg = H2 + 2 Mg{+}2
KIO3 + HI + H2SO4 = I2 + K2SO4 + H2O =>
2 KIO3 + 10 HI + H2SO4 = 6 I2 + K2SO4 + 6 H2O
KNO2 + NH4Cl = NH3 + HNO2 + KCl =>
KNO2 + NH4Cl = NH3 + HNO2 + KCl
CrO4{2-} + SO3{2-} + H{+} = Cr{3+} + SO4{2-} + H2O =>
2 CrO4{2-} + 3 SO3{2-} + 10 H{+} = 2 Cr{3+} + 3 SO4{2-} + 5 H2O
Al + HNO3 = Al(NO3)3 + H2O + NH4NO3(NH3) =>
16 Al + 57 HNO3 = 16 Al(NO3)3 + 18 H2O + 3 NH4NO3(NH3)
B2O3(aq) + Mg = B + MgO =>
B2O3(aq) + 3 Mg = 2 B + 3 MgO
SnCl2 + HgCl = SnHg + Cl =>
SnCl2 + HgCl = SnHg + 3 Cl
C6H12O12 + KMnO4 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 =>
5 C6H12O12 + 12 KMnO4 + 18 H2SO4 = 30 CO2 + 48 H2O + 6 K2SO4 + 12 MnSO4
KMnO4 + NaOH + NaHSO3 = MnO2 + Na2SO4 + H2O + K2SO4 =>
2 KMnO4 + NaOH + 3 NaHSO3 = 2 MnO2 + 2 Na2SO4 + 2 H2O + K2SO4
C9H20O4 + O2 = CO2 + H2O =>
C9H20O4 + 12 O2 = 9 CO2 + 10 H2O
KO2 + H2 = H2O + K2O =>
2 KO2 + 3 H2 = 3 H2O + K2O
Sn + KOH = Sn(OH)2 + K =>
Sn + 2 KOH = Sn(OH)2 + 2 K
C2H4(NH2)2 + Ni(NO3)2 + Na2S2O3 = [Ni(C2H8N2)3][S2O3] + NaNO3 =>
3 C2H4(NH2)2 + Ni(NO3)2 + Na2S2O3 = [Ni(C2H8N2)3][S2O3] + 2 NaNO3
Mn + OH = MnO + H =>
Mn + OH = MnO + H
NaOH(aq) + H3AsO4(aq) = Na3AsO4(aq) + H2O(l) =>
3 NaOH(aq) + H3AsO4(aq) = Na3AsO4(aq) + 3 H2O(l)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Mg(s) + Al(No3)3(aq) = Mg(No3)2(aq) + Al(s) =>
3 Mg(s) + 2 Al(No3)3(aq) = 3 Mg(No3)2(aq) + 2 Al(s)
Na3[Al(OH)6] + H2SO4 = Na2SO4 + Al(OH)3 + H2O =>
2 Na3[Al(OH)6] + 3 H2SO4 = 3 Na2SO4 + 2 Al(OH)3 + 6 H2O
Co(OH)2 + Na2SO4 = (CoOH)2SO4 + NaOH =>
2 Co(OH)2 + Na2SO4 = (CoOH)2SO4 + 2 NaOH
H2SO4(aq)Na2CO3 = Na2SO4H2OCO2 =>
H2SO4(aq)Na2CO3 = Na2SO4H2OCO2
CuCl2(aq)(NH4)2S(aq) = CuS(NH4)2Cl2 =>
CuCl2(aq)(NH4)2S(aq) = CuS(NH4)2Cl2
CH3COCH3 + I2 = CI3COCH3 + HI =>
CH3COCH3 + 3 I2 = CI3COCH3 + 3 HI
CaCl2 + HF = CaF2 + HCl =>
CaCl2 + 2 HF = CaF2 + 2 HCl
Ni(NO3)2 + H3AsO3 = NiHAsO3 + HNO3 =>
Ni(NO3)2 + H3AsO3 = NiHAsO3 + 2 HNO3
FeS2 + H2O + O2 = Fe(OH)3 + H2SO4 =>
4 FeS2 + 14 H2O + 15 O2 = 4 Fe(OH)3 + 8 H2SO4
C9H7N + O2 = CO2 + NO + H2O =>
4 C9H7N + 45 O2 = 36 CO2 + 4 NO + 14 H2O
SrCl2(aq) + NH4F(aq) = SrF2 + NH4Cl(aq) =>
SrCl2(aq) + 2 NH4F(aq) = SrF2 + 2 NH4Cl(aq)
(NH4)2CO3 + HNO3 = (NH4)2NO3 + HCO3 =>
(NH4)2CO3 + HNO3 = (NH4)2NO3 + HCO3
KMnO4 + KOH + C6H12O6 = K2MnO4 + K2CO3 + H2O =>
24 KMnO4 + 36 KOH + C6H12O6 = 24 K2MnO4 + 6 K2CO3 + 24 H2O
AgNO3LiOH = AgOH + LiNO3 =>
AgNO3LiOH = AgOH + LiNO3
C6H12N4 + O2 = CO2 + H2O + N2H4 =>
C6H12N4 + 7 O2 = 6 CO2 + 2 H2O + 2 N2H4
C9H2O + O2 = H2O + C2O =>
4 C9H2O + 9 O2 = 4 H2O + 18 C2O
XFe2 + Co = XCo3 + Fe4 =>
2 XFe2 + 6 Co = 2 XCo3 + Fe4
Ra + H2O = Ra(OH)2 + H2 =>
Ra + 2 H2O = Ra(OH)2 + H2
VCl3 + O2 = VOCl2 + Cl2 =>
2 VCl3 + O2 = 2 VOCl2 + Cl2
C3H7OH + K2Cr2O7 = H2O + CH3COOH + KOH + Cr =>
2 C3H7OH + K2Cr2O7 = H2O + 3 CH3COOH + 2 KOH + 2 Cr
Mg(NO3)2 + H2O = Mg(OH)2 + HNO3 =>
Mg(NO3)2 + 2 H2O = Mg(OH)2 + 2 HNO3
NH3 + Cu(O)3 = Cu + N2 + H2O =>
2 NH3 + Cu(O)3 = Cu + N2 + 3 H2O
Cr2(S2O3)3 + NH4OH = Cr(OH)3 + S2O3(NH4)2 =>
Cr2(S2O3)3 + 6 NH4OH = 2 Cr(OH)3 + 3 S2O3(NH4)2
Al2O3 + H2O = HAlO2 =>
Al2O3 + H2O = 2 HAlO2
Sr(NO3)2 + K2SO4 = K(NO3) + Sr(SO4) =>
Sr(NO3)2 + K2SO4 = 2 K(NO3) + Sr(SO4)
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
(NH4)2CO3 + HNO3 = (NH4)2NO3 + HCO3 =>
(NH4)2CO3 + HNO3 = (NH4)2NO3 + HCO3
Al2(SO4)3 + NaHO = Al(HO)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaHO = 2 Al(HO)3 + 3 Na2SO4
Br2 + CaI2 = Br2CaI2 =>
Br2 + CaI2 = Br2CaI2
NaIO3 + H2SO4 + Na2SO3 = I2 + H2O + Na2SO4 =>
2 NaIO3 + H2SO4 + 5 Na2SO3 = I2 + H2O + 6 Na2SO4
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