(a) Calculate the value of Kc for the reaction:PCl5 (g) PCl3 (g) + Cl2 (g) ΔH = Positive Given that when 8.4 mol of PCl5 (g) is mixed with 1.8 mol of PCl3 (g) and allowed to come to equilibrium in a 10 dm3container the amount of PCl5 (g) at equilibrium is 7.2 mol. Kc = (b) Explain the effect of the following changes below on the value of Kc: Increasing temperature Lowering the concentration of chlorine (Cl2) Addition of a catalyst

Answered: Image /qna-images/answer/76e080e6-9393-428a-80f7-d3df87f4e57a.jpg

Answered: when 8.4 mol of PCl5 (g) is mixed with…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Question

(a) Calculate the value of Kc for the reaction:

PCl_{5 (g)} PCl₃ _(g) + Cl₂ _(g) ΔH = Positive

Given that when 8.4 mol of PCl₅ _(g) is mixed with 1.8 mol of PCl₃ _(g) and allowed to come to equilibrium in a 10 dm³container the amount of PCl₅ _(g) at equilibrium is 7.2 mol.

Kc =

(b) Explain the effect of the following changes below on the value of Kc:

Increasing temperature

Lowering the concentration of chlorine (Cl₂)

Addition of a catalyst

Expert Solution

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Follow-up Questions

Read through expert solutions to related follow-up questions below.

Follow-up Question

i believe your ans for Kc is incorrect

with Kc = 0.05

Examples of cal. Kc.
Calculate the value of Kc for the reacher.
PCLSS
= P C3(g) + Cl₂(g).
Given that when 8.4 mol of PCs (s) is mixed
with 1-8 mor of PCL3(g) & allowed to come
to equilibrium in a 10dm³ container the
amount of PC`s(s) at equilibrum is 7.2 mol.
PCL5
- PCI 3
ndes initially 8.4
84-102
7-2
nores@eqmail.
Full conc in
mol/dm³
7-2
10.
13.29
+ Cl₂.
1.8.
(²+1.8) 1.2.
3.0/10
1-2
10.
= 0-72
0.30.
012.
kc = [PC13 ] [C1₂] = [03][012]=K=00
[PCL5]
En = takes in
Ex = gives
+
out.
ma

Solution

by Bartleby Expert

SEE SOLUTION

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions