| Équations équilibrées la veille |
NaOH + HCl(g) = NaCl + H2O
PBr5 + H2O = HPO3 + HBr =>
PBr5 + 3 H2O = HPO3 + 5 HBr
Ca(NO3)2 + H3PO4 = Ca3(PO4)2 + HNO3 =>
3 Ca(NO3)2 + 2 H3PO4 = Ca3(PO4)2 + 6 HNO3
KI + Cl2 = KCl + I =>
2 KI + Cl2 = 2 KCl + 2 I
Rh2(SO4)3 + K[BH4] + H2O = KHSO4 + H2SO4 + H3BO3 + Rh =>
4 Rh2(SO4)3 + 3 K[BH4] + 9 H2O = 3 KHSO4 + 9 H2SO4 + 3 H3BO3 + 8 Rh
Na2(CO3)(aq) + Fe(NO3)3(aq) = Fe2(CO3)3(s) + Na(NO3)(aq) =>
3 Na2(CO3)(aq) + 2 Fe(NO3)3(aq) = Fe2(CO3)3(s) + 6 Na(NO3)(aq)
NH4Cl + NaOH = NH4OH + NaCl =>
NH4Cl + NaOH = NH4OH + NaCl
Cr2S3 + Mn(NO5)2 + Na2CO3 = Na2CrO4 + Na2MnO4 + Na2SO4 + NO + CO2 =>
Cr2S3 + 3 Mn(NO5)2 + 8 Na2CO3 = 2 Na2CrO4 + 3 Na2MnO4 + 3 Na2SO4 + 6 NO + 8 CO2
KOH + PbO = PbKH + O2 =>
KOH + PbO = PbKH + O2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Ag2CO3(s) + HNO3(aq) = AgNO3(aq) + H2CO3(aq) =>
Ag2CO3(s) + 2 HNO3(aq) = 2 AgNO3(aq) + H2CO3(aq)
NaNO2 + H2O = NaOH + HNO2 =>
NaNO2 + H2O = NaOH + HNO2
Fe2O3 + H2O(l) = Fe(OH)3 =>
Fe2O3 + 3 H2O(l) = 2 Fe(OH)3
Na2SO4 + FeCl3 = Na3Cl3 + Fe2(SO4)3 =>
3 Na2SO4 + 2 FeCl3 = 2 Na3Cl3 + Fe2(SO4)3
NiCl2 + K4(FeCN6) = Ni2(FeCN6) + KCl =>
2 NiCl2 + K4(FeCN6) = Ni2(FeCN6) + 4 KCl
K2CrO4 + AlCl3 = Al2(CrO4)3 + KCl =>
3 K2CrO4 + 2 AlCl3 = Al2(CrO4)3 + 6 KCl
HBr + KOH = H2O + KBr =>
HBr + KOH = H2O + KBr
C10H14N2 + HClO4 = C10H12 + HCl + H2O + NO2 =>
4 C10H14N2 + 5 HClO4 = 4 C10H12 + 5 HCl + 4 H2O + 8 NO2
FeCl2 + I2 = FeCl3 + FeI3 =>
6 FeCl2 + 3 I2 = 4 FeCl3 + 2 FeI3
C4H8OH + KMnO4 + H2SO4 = HCOOH + MnSO4 + K2SO4 + H2O =>
2 C4H8OH + 6 KMnO4 + 9 H2SO4 = 8 HCOOH + 6 MnSO4 + 3 K2SO4 + 10 H2O
NH4NO3 + Na2S = NH4S + Na2NO3 =>
NH4NO3 + Na2S = NH4S + Na2NO3
Ca + O2 = CaO5 =>
2 Ca + 5 O2 = 2 CaO5
Fe(Cl)3 + NaOH = NaCl + Fe(OH)3 =>
Fe(Cl)3 + 3 NaOH = 3 NaCl + Fe(OH)3
ZnCO3 + Pb(NO3)2 = PbCO3 + Zn(NO3)2 =>
ZnCO3 + Pb(NO3)2 = PbCO3 + Zn(NO3)2
HeC + H = HC + He =>
HeC + H = HC + He
PbS + NO = Pb + SO + NS =>
2 PbS + NO = 2 Pb + SO + NS
ClCH2COOH + NH3 = NH2CH2COOH + HCl =>
ClCH2COOH + NH3 = NH2CH2COOH + HCl
CuCl2(aq) + Na2CO3(aq) = NaCl(aq) + CuCO3(s) =>
CuCl2(aq) + Na2CO3(aq) = 2 NaCl(aq) + CuCO3(s)
(c)KClO3 = KCl + O2 =>
2(c)KClO3 = 2 KCl + 3 O2
KN = K + N =>
KN = K + N
Ca5(PO4)3F + HNO3 = Ca(H2PO4)2 + Ca(NO3)2 + HF =>
2 Ca5(PO4)3F + 14 HNO3 = 3 Ca(H2PO4)2 + 7 Ca(NO3)2 + 2 HF
(COOH)2 + Cr2O7 = CO2 + Cr + H2O =>
7(COOH)2 + Cr2O7 = 14 CO2 + 2 Cr + 7 H2O
Fe2O3 + HNO3 = Fe(NO3)3 + H2O = =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
KSCN + KMnO4 + H2SO4 = MnSO4 + N2 + CO2 + K2SO4 + H2O =>
10 KSCN + 22 KMnO4 + 28 H2SO4 = 22 MnSO4 + 5 N2 + 10 CO2 + 16 K2SO4 + 28 H2O
BeSO4 + HCl = BeCl2 + H2SO4 =>
BeSO4 + 2 HCl = BeCl2 + H2SO4
H2SO4 + NaOH = H2O + Na2SO4 = =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4
CH3CH(OH)CH3 + Na2Cr2O7 + H2SO4 = CH3CH2CH2CHO + Cr2(SO4)3 + Na2SO4 + H2O =>
4 CH3CH(OH)CH3 + Na2Cr2O7 + 4 H2SO4 = 3 CH3CH2CH2CHO + Cr2(SO4)3 + Na2SO4 + 8 H2O
NH4OH + O2 = NO + H2O =>
4 NH4OH + 5 O2 = 4 NO + 10 H2O
H3IO3 + Cr(OH)3 = CrIO3 + H2O =>
H3IO3 + Cr(OH)3 = CrIO3 + 3 H2O
N + O2 = N2O =>
4 N + O2 = 2 N2O
Na2SiO4 = Na + Si + O2 =>
Na2SiO4 = 2 Na + Si + 2 O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ag2O(s)(heat) = Ag + O =>
Ag2O(s)(heat) = 2 Ag + O
NH2OH + HClO = N2 + HCl + H2O =>
2 NH2OH + HClO = N2 + HCl + 3 H2O
K2Cr2O7 + HCl = K2O + Cr2O3 + H2O + Cl2 =>
K2Cr2O7 + 6 HCl = K2O + Cr2O3 + 3 H2O + 3 Cl2
V2(SO4)3 + KMnO4 + H2SO4 = V(SO4)2 + K2SO4 + MnSO4 + H2O =>
5 V2(SO4)3 + 2 KMnO4 + 8 H2SO4 = 10 V(SO4)2 + K2SO4 + 2 MnSO4 + 8 H2O
CoCl3(aq) + AgNO3(aq) = AgCl + Co(NO3)3 =>
CoCl3(aq) + 3 AgNO3(aq) = 3 AgCl + Co(NO3)3
CuSO4 + K2PO4 = CuPO4 + K2SO4 =>
CuSO4 + K2PO4 = CuPO4 + K2SO4
OCl{-} + Mn{2+} + H2O = Cl{-} + MnO2 + H{+} =>
OCl{-} + Mn{2+} + H2O = Cl{-} + MnO2 + 2 H{+}
NH4Br + Sr(OH)2 = SrBr2 + NH3 + H2O =>
2 NH4Br + Sr(OH)2 = SrBr2 + 2 NH3 + 2 H2O
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