80.tThe reaction, 2H2O(g) — 2H2(g) + O2(g), has a positive value for △G°. Which of tfie following statements must be true?
(A)tThe reaction is slow.
(B)tThe reaction will not occur. That is, when H2O(g) is introduced into a flask, no O2 or H2 will fonn even over a long period of time.
(C)tThe equilibrium lies far to the right.
(D)tThe reaction is exothermic.
(E)tNone of these are true.
答案:E
統計:A:0,B:2,C:0,D:0,E:0
難度:計算中