Chm_205_Exam_2_Spr_2011 - P r in t y o u r n a m e EX A M...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
E XAM T WO CHM 205 (Dr. Mattson) 23 F EBRUARY 2011 Print your name: Signature: Instructions: Show all work whenever a calculation is required! You will receive credit for how you worked each problem as well as for the correct answer. If you need more space, you may use the back of your periodic table — Write: “See PT” in box and then attach the periodic table. BOX YOUR ANSWERS! Write legibly. 1. Question 1 (all parts, 1a – 1f) refers to the chart on the data sheet. The reaction involved is: 2 A(g) B(g) + 3 C(g) 1a. (2 pts) Write the equilibrium expression for K c . 1b. (2 pts) At what point in time is equilibrium reached? 1c. (9 pts) Create an ICE table for the reaction and fill it in from data obtained from the chart. 2 A(g) B(g) + 3 C(g) I C E 1d. (2 pts) Determine a numerical value for the equilibrium constant, K c . 1e. (2 pts) What is the numerical value for K c for: B(g) + 3 C(g) 2 A(g) 1f. (2 pts) What would happen to [A] and [B] if some C(g) were added to the equilibrium mixture and allowed to re- equilibrate? Circle your choice. (a) [A] would: increase decrease stay the same (b) [B] would: increase decrease stay the same 2. (2 pts) Write a K p expression for the equilibrium: Al 2 O 3 (s) + 3 CO(g) 2 Al(s) + 3 CO 2 (g) 3. (3 pts) Consider the equilibrium: N 2 (g) + O 2 (g) 2 NO(g) Suppose 0.72 mol NO(g) were placed into an empty 1.0
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern