E1-s09-Form1-key

E1-s09-Form1-key - Answer Key Name Signature ID# TA Lab Day...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Answer Key Name Signature ID# TA Lab Day and Time Lab Room CHE 327 Exam 1 Spring 2009 Form 1 This exam is worth 41 points. It has 5 pages, including this cover page, and contains both multiple- choice and short-answer questions. Follow the directions for each question. For full credit, write each short answer in the space provided. You may use a calculator for this exam. If you do not have a calculator, set up all calculations as clearly as possible and write “No Calculator” at the top of the page. You may not use a cell phone in any way during this exam.
Background image of page 1

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

View Full DocumentRight Arrow Icon
1. Consider the following two distillation phase diagrams, which show temperature vs. composition for mixtures of A and B (left) and X and Y (right). 10 pts A/B Phase Diagram 71 72 73 74 75 76 77 78 79 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Temperature/ °C X/Y Phase Diagram 75 80 85 90 95 100 105 110 115 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 a) Which of these two mixtures forms an azeotrope? (circle one) A/B X/Y At what molar ratio does the azeotrope form? b) What is the boiling point of compound A?
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

E1-s09-Form1-key - Answer Key Name Signature ID# TA Lab Day...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online