Question

Emissions are not permanently recorded onsider the following reaction at 39 K: A(60) + 1 B (0) --2 C(0) + 10 () experiment was performed with the following initial concentration AL - 1.40 M10 determined that (A) - 0.55 M. What is An d the initial conditions? 2.05 M, CH-0.71 M DL - 0.23 M. The reaction was allowed to proceed until mw ched which i s Som ww You have entered that answer before Incorrect Sobo to practice premsa hly recorded Previous ties Post Discussion Send Feedback E o Type here to search BANGLOWS

Answer 1

Given reaction 1 A(aq) +1B (aq) —> 266aq) +1] (aq) Initial 1.49 2005 0.71 0.23 Change -x -x tau tu equilibrium (1-49-3) (-05-0-gy) 0-71+2x44 0.23+0.94 = 0.55 = 1-11 2062 = 1:17 1.49-1=0.55 7 U = 149 -0.55 = 0.94 [cJ2CD] (2062) 2 (1-17) [A] [B]' (0-55) (1-11) keq = 13-15 We know that Ah=- Rt enkeq R =81314 TK 'molt T = 339K 494-81314 X 339xen (13015) 49 = -7261 J 49= -726165