| Équations équilibrées la veille |
2 HNO3 = 2 NO2 + O2 + H2
NaCl + Pb + (NO3)2 = Pb2Cl + NaNO3 =>
2 NaCl + 4 Pb + (NO3)2 = 2 Pb2Cl + 2 NaNO3
Na2CO3*H2O(aq) + CaCl2*2H2O(aq) = CaCO3(s) + NaCl(aq) + H2O =>
Na2CO3*H2O(aq) + CaCl2*2H2O(aq) = CaCO3(s) + 2 NaCl(aq) + 3 H2O
SO2 + Na2[Zn(OH)4] = Na2SO3 + ZnSO3 + H2O =>
2 SO2 + Na2[Zn(OH)4] = Na2SO3 + ZnSO3 + 2 H2O
C6H14(s) + O2(g) = CO2(g) + H2O(g) =>
2 C6H14(s) + 19 O2(g) = 12 CO2(g) + 14 H2O(g)
Cu(NO3)2 + H2O = CuO + HNO3 =>
Cu(NO3)2 + H2O = CuO + 2 HNO3
NH4Cl + H2O = NH4OH + HCl =>
NH4Cl + H2O = NH4OH + HCl
Cl2 + NaBr + H2O = NaCl + HBr + HBrO3 =>
3 Cl2 + 6 NaBr + 3 H2O = 6 NaCl + 5 HBr + HBrO3
K2Cr2O7 + LiOH = KOH + Li2Cr2O7 =>
K2Cr2O7 + 2 LiOH = 2 KOH + Li2Cr2O7
O2 + Au = O2Au =>
O2 + Au = O2Au
K2Cr2O7 + H2O2 = Cr2O3 + O2 + KOH =>
K2Cr2O7 + H2O2 = Cr2O3 + 2 O2 + 2 KOH
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
Br2 + KOH = H2O + KBr + KBrO3 =>
3 Br2 + 6 KOH = 3 H2O + 5 KBr + KBrO3
H2OCH3MgJ = CH4MgOHJ =>
H2OCH3MgJ = CH4MgOHJ
C2H7N + HNO3 = H2O + NO2 + CO2 =>
C2H7N + 19 HNO3 = 13 H2O + 20 NO2 + 2 CO2
CH3COOH + Ba = Ba(CH3COO)2 + H2 =>
2 CH3COOH + Ba = Ba(CH3COO)2 + H2
Fe(NO3)3(aq) + K2S(aq) = Fe2S3(s) + KNO3(aq) =>
2 Fe(NO3)3(aq) + 3 K2S(aq) = Fe2S3(s) + 6 KNO3(aq)
CH3COOH + Cu(NH3)2 = Cu + NH4 + CH3COO =>
2 CH3COOH + Cu(NH3)2 = Cu + 2 NH4 + 2 CH3COO
Na2CO3(s) + H2SO4(ac) = Na2SO4(ac) + CO2(g) + H2O(l) =>
Na2CO3(s) + H2SO4(ac) = Na2SO4(ac) + CO2(g) + H2O(l)
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Sr(OH)2 + NaH2PO4 = Sr3(PO4)2 + NaOH + H2O =>
3 Sr(OH)2 + 2 NaH2PO4 = Sr3(PO4)2 + 2 NaOH + 4 H2O
Al(OH)3 + HNO2 = Al(NO2)3 + H(OH) =>
Al(OH)3 + 3 HNO2 = Al(NO2)3 + 3 H(OH)
K2Cr2O7 + LiOH = KOH + Li2Cr2O7 =>
K2Cr2O7 + 2 LiOH = 2 KOH + Li2Cr2O7
Ag + BrO3 + H{+} = Ag{+} + Br{-} + H2O =>
7 Ag + BrO3 + 6 H{+} = 7 Ag{+} + Br{-} + 3 H2O
PbCl4 + B(OH)3 = BCl3 + Pb(OH)4 =>
3 PbCl4 + 4 B(OH)3 = 4 BCl3 + 3 Pb(OH)4
MnO4{-} + SO32{-} + H2O = MnO2 + SO42{-} + OH{-} =>
20 MnO4{-} + 3 SO32{-} + 10 H2O = 20 MnO2 + 3 SO42{-} + 20 OH{-}
AlK(SO4)2 + Na3[FeF6] = Na3[AlF6] + FeK(SO4)2 =>
AlK(SO4)2 + Na3[FeF6] = Na3[AlF6] + FeK(SO4)2
C2H2 + AgNO3 = C2Ag2 + HNO3 =>
C2H2 + 2 AgNO3 = C2Ag2 + 2 HNO3
NaOH(aq) + CO(g) = Na2CO3(aq) + H2(g) =>
2 NaOH(aq) + CO(g) = Na2CO3(aq) + H2(g)
CH4 + O3 = CO3 + H2O =>
3 CH4 + 5 O3 = 3 CO3 + 6 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Sn + HCl = SnCl4 + H{+} + e =>
Sn + 4 HCl = SnCl4 + 4 H{+} + 4e
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
Li3N + H2O = NH3 + LiOH =>
Li3N + 3 H2O = NH3 + 3 LiOH
Ca3(PO4)2 + H3 + PO4 = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 H3 + 4 PO4 = 3 Ca(H2PO4)2
Cs2SO3(aq) + HBr(aq) = CsBr(aq) + H2O(l) + SO2(g) =>
Cs2SO3(aq) + 2 HBr(aq) = 2 CsBr(aq) + H2O(l) + SO2(g)
KCIO3 = KCIO4 + KCI =>
4 KCIO3 = 3 KCIO4 + KCI
H2C2O4 + KOH = K2C2O4 + H2O =>
H2C2O4 + 2 KOH = K2C2O4 + 2 H2O
NaF + Cl2 = NaCl + F2 =>
2 NaF + Cl2 = 2 NaCl + F2
C + O2 = CO2 =>
C + O2 = CO2
KOH + Cl2 = KClO3 + KCl + H2O =>
6 KOH + 3 Cl2 = KClO3 + 5 KCl + 3 H2O
Pb(NO3)2 + H2SO4 = PbSO4 + H2(NO3)2 =>
Pb(NO3)2 + H2SO4 = PbSO4 + H2(NO3)2
CaCl2 + Sr(NO3)2 = Ca(NO3)2 + SrCl2 =>
CaCl2 + Sr(NO3)2 = Ca(NO3)2 + SrCl2
NaClO + Na2SO3 = Na2SO4 + NaCl =>
NaClO + Na2SO3 = Na2SO4 + NaCl
CrCl3 + K2CO3 + H2O = KHCO3 + Cr(OH)2Cl + KCl =>
CrCl3 + 2 K2CO3 + 2 H2O = 2 KHCO3 + Cr(OH)2Cl + 2 KCl
Na3PO4 + BaCl2 = Ba3(PO4)2 + NaCl =>
2 Na3PO4 + 3 BaCl2 = Ba3(PO4)2 + 6 NaCl
Pb(NO3)2 + NaCl = PbCl2 + Na(NO3) =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 Na(NO3)
Na2CO3 + C4H10O = Na2O + C4H10 + CO3 =>
Na2CO3 + C4H10O = Na2O + C4H10 + CO3
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