Équations équilibrées la veille |
2 KBr + PbO2 + 4 HNO3 = Pb(NO3)2 + Br2 + 2 KNO3 + 2 H2O
H2SO4(aq) + CaCO3(s) = CaSO4(s) + H2CO3(aq) =>
H2SO4(aq) + CaCO3(s) = CaSO4(s) + H2CO3(aq)
Mn{2+} + Pb3O4 + H{+} = MnO4{-} + Pb{+2} + H2O =>
2 Mn{2+} + 5 Pb3O4 + 24 H{+} = 2 MnO4{-} + 15 Pb{+2} + 12 H2O
Ba(ClO3)2 + H2(SO4) = BaSO4 + HClO3 =>
Ba(ClO3)2 + H2(SO4) = BaSO4 + 2 HClO3
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C5H10 + Br2 = C5H9 + HBr =>
2 C5H10 + Br2 = 2 C5H9 + 2 HBr
C4H10OH + K2Cr2O7 + H2SO4 = C6H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 C4H10OH + 9 K2Cr2O7 + 36 H2SO4 = 4 C6H4O2 + 9 Cr2(SO4)3 + 9 K2SO4 + 61 H2O
NaI + H2SO4 = H2S + I2 + Na2SO4 + H2O =>
8 NaI + 5 H2SO4 = H2S + 4 I2 + 4 Na2SO4 + 4 H2O
Fe + NaBr = FeBr3 + Na =>
Fe + 3 NaBr = FeBr3 + 3 Na
H2SO4 + Fe = FeSO4 + H2 =>
H2SO4 + Fe = FeSO4 + H2
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
CU + S = CUS =>
CU + S = CUS
CuCl2 + Mg = Cu + MgCl2 =>
CuCl2 + Mg = Cu + MgCl2
NaOH + CrO4 = Na(CrO4) + OH =>
NaOH + CrO4 = Na(CrO4) + OH
Pb(NO3)2 + NaI = PbI2 + Na(NO3) =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 Na(NO3)
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Fe(NO3)3 = Fe + NO3 =>
Fe(NO3)3 = Fe + 3 NO3
CU + S = CUS =>
CU + S = CUS
FeCl2 + H2S = FeCl2S + H2 =>
FeCl2 + H2S = FeCl2S + H2
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
Br2 + NaOH = NaBr + NaOBr + H2O =>
Br2 + 2 NaOH = NaBr + NaOBr + H2O
Br2 + NaOH = NaBr + NaBrO + H2O =>
Br2 + 2 NaOH = NaBr + NaBrO + H2O
HCl + CH3COOAg = CH3Cl + HCOOAg =>
HCl + CH3COOAg = CH3Cl + HCOOAg
Fe2O + Co = Fe + CoO =>
Fe2O + Co = 2 Fe + CoO
CoCl2 + KCNS = K2[Co(CNS)4] + KCl =>
CoCl2 + 4 KCNS = K2[Co(CNS)4] + 2 KCl
Al2(SO4)3 + Na(OH) = Na2SO4 + Al(OH)3 =>
Al2(SO4)3 + 6 Na(OH) = 3 Na2SO4 + 2 Al(OH)3
Na2CO3 + H2SO4 = H2CO3 + Na2SO4 =>
Na2CO3 + H2SO4 = H2CO3 + Na2SO4
Al(NO3)3 + Ag = AgNO3 + Al =>
Al(NO3)3 + 3 Ag = 3 AgNO3 + Al
HClBa(OH)2 = H(OH)2BaCl =>
HClBa(OH)2 = H(OH)2BaCl
C6H10O5(s) + O2(g) = CH3CH2OH + CO2 =>
3 C6H10O5(s) + 3 O2(g) = 5 CH3CH2OH + 8 CO2
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Pb(NO3)2 + NaI = PbI2 + Na(NO3) =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 Na(NO3)
NaCl + CaCO3 = Na2CO3 + CaCl2 =>
2 NaCl + CaCO3 = Na2CO3 + CaCl2
NaHSO4 + Al + NaOH = Na2S + Al2O3 + H2O =>
3 NaHSO4 + 8 Al + 3 NaOH = 3 Na2S + 4 Al2O3 + 3 H2O
ClMgF2 = MgClF2 =>
ClMgF2 = MgClF2
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
C7H17 + O2 = CO2 + H2O =>
4 C7H17 + 45 O2 = 28 CO2 + 34 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CH3CH2OH + O2 = CH3COOH + H2O =>
CH3CH2OH + O2 = CH3COOH + H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
FeI2 + Mg = MgI2 + Fe =>
FeI2 + Mg = MgI2 + Fe
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
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