Équations équilibrées la veille |
Cl2 + 2 NaBr = 2 NaCl + Br2
NaAl(CO3)(OH)2 + HCl = CO2 + H2O + NaCl + AlCl3 =>
NaAl(CO3)(OH)2 + 4 HCl = CO2 + 3 H2O + NaCl + AlCl3
MnO2(s) + Al(s) = Mn(s) + Al2O3(s) =>
3 MnO2(s) + 4 Al(s) = 3 Mn(s) + 2 Al2O3(s)
SbCl3 + KBrO3 + HCl = KCl + Br2 + SbCl5 + H2O =>
5 SbCl3 + 2 KBrO3 + 12 HCl = 2 KCl + Br2 + 5 SbCl5 + 6 H2O
K2Cr2O7 + CH3CH2OH + H2OSO4 = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 7 CH3CH2OH + 8 H2OSO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 7 CH3COOH + 15 H2O
Na2S2O3(aq) + I2(aq) = Na2S4O6(aq) + NaI(aq) =>
2 Na2S2O3(aq) + I2(aq) = Na2S4O6(aq) + 2 NaI(aq)
NH4OH + CH3CH2OH = NH3CH3CH3O2H2 =>
NH4OH + CH3CH2OH = NH3CH3CH3O2H2
Fe3O4(s) + CO(g) = FeO(s) + CO2(g) =>
Fe3O4(s) + CO(g) = 3 FeO(s) + CO2(g)
Hg2(NO3)2 + K2CO3 = Hg2CO3 + K2*(NO3)2 =>
Hg2(NO3)2 + K2CO3 = Hg2CO3 + K2*(NO3)2
CH4(g) + Br2(g) = CBr4(g) + HBr(g) =>
CH4(g) + 4 Br2(g) = CBr4(g) + 4 HBr(g)
Al + KMnO4 + H2SO4 = MnSO4 + Al(SO4)3 + K2SO4 + H2O =>
5 Al + 6 KMnO4 + 24 H2SO4 = 6 MnSO4 + 5 Al(SO4)3 + 3 K2SO4 + 24 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
C4N3H4O + O2 = H2O + N2 + CO2 =>
2 C4N3H4O + 9 O2 = 4 H2O + 3 N2 + 8 CO2
Ba(NO3)2(aq) + Na2CrO4(aq) = BaCrO4(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + Na2CrO4(aq) = BaCrO4(s) + 2 NaNO3(aq)
Cr(NO3)3 + Na2Cr2O7 = Cr2(Cr2O7)3 + NaNO3 =>
2 Cr(NO3)3 + 3 Na2Cr2O7 = Cr2(Cr2O7)3 + 6 NaNO3
Hg + HCl = HgCl8 + H2 =>
Hg + 8 HCl = HgCl8 + 4 H2
CH3(CH2)5CH2OH + HBr = CH3(CH2)5CH2Br + H2O =>
CH3(CH2)5CH2OH + HBr = CH3(CH2)5CH2Br + H2O
PO4 + Pb = PO4Pb =>
PO4 + Pb = PO4Pb
Ca(OH)2 + Mg(HCO3)2 = Mg(OH)2 + Ca(HCO3)2 =>
Ca(OH)2 + Mg(HCO3)2 = Mg(OH)2 + Ca(HCO3)2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
CH4(g) + Br2(g) = CBr4(l) + HBr(g) =>
CH4(g) + 4 Br2(g) = CBr4(l) + 4 HBr(g)
NaOH(aq) + Al(NO3)3(aq) = NaNO3(aq) + Al(OH)3 =>
3 NaOH(aq) + Al(NO3)3(aq) = 3 NaNO3(aq) + Al(OH)3
C10H22O11 + H2 = C4H10 + H2O =>
2 C10H22O11 + 25 H2 = 5 C4H10 + 22 H2O
C16H32O2 + O3 = CO + H2O =>
C16H32O2 + 10 O3 = 16 CO + 16 H2O
Cu(NO3)2 + KSCN = K(NO3)2 + CuS + C + N =>
Cu(NO3)2 + KSCN = K(NO3)2 + CuS + C + N
Cl2 + KOH + KBr = KBrO3 + KCl + H2O =>
3 Cl2 + 6 KOH + KBr = KBrO3 + 6 KCl + 3 H2O
Fe(ClO3)3 + CdC2O4 = Fe2(C2O4)3 + Cd(ClO3)2 =>
2 Fe(ClO3)3 + 3 CdC2O4 = Fe2(C2O4)3 + 3 Cd(ClO3)2
H2SO4 + KClO3 = KClO4 + KHSO4 + H2O + ClO2 =>
2 H2SO4 + 3 KClO3 = KClO4 + 2 KHSO4 + H2O + 2 ClO2
Fe(NO3)3(aq) + LiOH(aq) = Fe(OH)3 + LiNO3(aq) =>
Fe(NO3)3(aq) + 3 LiOH(aq) = Fe(OH)3 + 3 LiNO3(aq)
Cu + H3O{+} + SO4{2-} = SO2 + Cu{2+} + H2O =>
Cu + 4 H3O{+} + SO4{2-} = SO2 + Cu{2+} + 6 H2O
SrCl2 + Li2(SO4) = Sr(SO4) + LiCl =>
SrCl2 + Li2(SO4) = Sr(SO4) + 2 LiCl
CH4(g) + Cl2(g) = CCl4(l) + HCl(g) =>
CH4(g) + 4 Cl2(g) = CCl4(l) + 4 HCl(g)
CH4(g) + Cl2(g) = CCl4(g) + HCl(g) =>
CH4(g) + 4 Cl2(g) = CCl4(g) + 4 HCl(g)
K + H2O = H2 + KOH =>
2 K + 2 H2O = H2 + 2 KOH
UO2(s) + HF(aq) = UF4(aq) + H2O(l) =>
UO2(s) + 4 HF(aq) = UF4(aq) + 2 H2O(l)
V2O5 + (NH4)2SO4 + H2O = NH4VO3 + H2SO4 =>
V2O5 + (NH4)2SO4 + H2O = 2 NH4VO3 + H2SO4
AgNO3(aq) + PbBr2(s) = AgBr(s) + Pb(NO3)2(aq) =>
2 AgNO3(aq) + PbBr2(s) = 2 AgBr(s) + Pb(NO3)2(aq)
Mn(OH)7 + H2SO4 = Mn2(SO4)7 + H2O =>
2 Mn(OH)7 + 7 H2SO4 = Mn2(SO4)7 + 14 H2O
NH4Cr2O7 + K + HCl = K2Cr2O7 + NH5Cl =>
NH4Cr2O7 + 2 K + HCl = K2Cr2O7 + NH5Cl
Mn + Cu(NO3)2 = Mn(NO3)2 + Cu =>
Mn + Cu(NO3)2 = Mn(NO3)2 + Cu
NaI + Cu(NO3)2 = CuI + Na(NO3)2 =>
NaI + Cu(NO3)2 = CuI + Na(NO3)2
CaF2 + H2S04 = CaS04 + HF =>
CaF2 + H2S04 = CaS04 + 2 HF
C3H7Br + Na = C3H6 + NaBr + H2 =>
2 C3H7Br + 2 Na = 2 C3H6 + 2 NaBr + H2
MgF2 + Co = Mg + CoF2 =>
MgF2 + Co = Mg + CoF2
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
(NH4)3PO4 + CaCl2 = Cl2(NH4) + Ca3PO4 =>
(NH4)3PO4 + 3 CaCl2 = 3 Cl2(NH4) + Ca3PO4
AgNo3(aq) + PbBr2(s) = AgBr(s) + Pb(No3)2(aq) =>
2 AgNo3(aq) + PbBr2(s) = 2 AgBr(s) + Pb(No3)2(aq)
NaCl + CaO = CaCl2Na2O =>
2 NaCl + CaO = CaCl2Na2O
LiHCO3(s) = Li2CO3(s) + H2O(g) + CO2(g) =>
2 LiHCO3(s) = Li2CO3(s) + H2O(g) + CO2(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
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