100 1 Cure A 50 CurveB kJ 0 -50 (a) Which curve (A or B) represents the catalyze
ID: 228777 • Letter: 1
Question
100 1 Cure A 50 CurveB kJ 0 -50 (a) Which curve (A or B) represents the catalyzed reaction? (b) How many elementary steps are in the catalyzed reaction? (c) How many elementary steps are in reaction? (d) What is the activation energy Ea of the uncatalyzed reaction? (to the nearest kJ) (e) What is the activation energy of the catalyzed reaction? (to the nearest kJ) (f) What is H for the reaction? (to the nearest k) (g) What is the activation energy of the reverse uncatalyzed reaction? (to the nearest kJ) O) hat isthe aenatian encrgy Ea of the uncatalyzed reaction? (to the necarest k)Explanation / Answer
(a) The catalyzed reaction will have lower activation energy than the uncatalyzed one. Curve A represents the catalyzed reaction.
(b) There are two elementary steps. First reactant to intermediate and then intermediate to the product.
(c) One elementary step in the uncatalyzed reaction that is reactant to product.
(d) The activation energy of the uncatalyzed reaction is ~75 kJ.
(e) The activation energy of catalyzed reaction is 50 kJ.
(f) dH = 25 kJ for the reaction.
(g) For reverse reaction activation energy is ~50 kJ.
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