48. Consider the following reaction, which is spontaneous at room temperature: C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g) One would predict that
(A) ∆H is + and ∆S is +
(B) ∆H is – and ∆S is –.
(C) ∆H is – and ∆S is +
(D) ∆H is + and ∆S is –.
(A) ∆H is + and ∆S is +
(B) ∆H is – and ∆S is –.
(C) ∆H is – and ∆S is +
(D) ∆H is + and ∆S is –.
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統計: A(19), B(8), C(189), D(3), E(0) #923031
統計: A(19), B(8), C(189), D(3), E(0) #923031