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CH9_Page_11

# CH9_Page_11 - The negative answer is not memﬁngﬁﬂ so...

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Unformatted text preview: The negative answer is not memﬁngﬁﬂ, so we choose .‘x = 3.2 x ltl':E mol- If. The ooneentration ofBr: is 2.5 — 3.2 x 1'3"2 e 2.5. The concentration of Br atoms is 2 x {3.2 x to?) = 45.4 x to—2 mol - L". The percentage decomposition of Br: is given by 3.2 x tor1 2.5 {e} At this temperature, C12 and Br; are equally.r stable since their ><lﬂﬂ=l.3% equilibrium constants are the same. If we had used the same initial amounts of Cl; and Br; in parts (a) and {In}, then the percent deemnposition 'mIﬁ—mm—I‘r" _.-— — . -.-—.r¢ would have been the same as well. 9.43 Pressure (bar) 2 BrCl{g} ‘—_‘~ Brig} + Clg-{g} initial 1.4 x Ill—3 0 '0 change —2 at +3: +x i ﬁnal 1.4): It}—3 — 2:: +3: +3: K = For1 'chh pBlCL {111x} I: 33 = ——3_—2 = —T—s [1.4xlﬂ —2x] (1.4x10 —2x] 3 x 32 = ——- I J— (1.4n1o'3 —2n}2 x : J35 "(rm 1: =(JE)(1.4 n to"3 — 2x) x + Ni x whim-1x 10-3) {1+2J3_2)n={~fﬁ}(1.4x1o'3] 2 team x104) [1+ 245E) x=ﬁ.4xlﬂ4 I 267 ...
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