1)(PUC-MG) Sejam dadas as equações termoquímicas, todas a 25 °C e 1 atm.
I- H2(g) + 1/2O2(g) →H₂O AH = -68,3 Kcal/mol
II- 2Fe()+ 3/2 O2(g) Fe₂O3(s) AH = -196,5 Kcal/mol
III- 2Al(s) + 3/2 O2(g) Al2O3(s) AH = -399,1 Kcal/mol
IV-C(grafite) + O2(g) → CO2(g) AH = -94,0 Kcal/mol
V- CH4(g) + O2(g) →→ CO2(g) + H₂O AH = -17,9 Kcal/mol Exclusivamente sob o ponto de vista energético, das reações acima, a que você escolheria como fonte de energia é:
A)I
B)II
C)III
D)IV
E)V
Answers: 3
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1)(PUC-MG) Sejam dadas as equações termoquímicas, todas a 25 °C e 1 atm.
I- H2(g) + 1/2O2(g) →H₂O...
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