CE479/579:AirQuality
Spring2016
Homework#4
NOTES: Read/refer to De Nevers Ch. 6 in completing this assignment. Use the appropriate number of significant
figures and always show units when reporting your boxed answers. I expect you to complete all of these

Spring, 2016
x10^6
SOLUTIONS
ug/m^3
Mean (x_bar) = 1.57 h
Standard deviation (sigma) = 0.84 h
n= 28
CI = 1.57 +/- 1.96*(0.84)/sqrt(28) = 1.57 +/- 0.31 h
95% CI range = [1.26 h, 1.88 h]
t-value is 1.96, but for a relatively large sample (N>~20) often an as

COLLEGE OF ENGINEERING
NORTH CAROLINA STATE UNIVERSITY
CE 479/579
AIR QUALITY
Spring Term 2016
Wednesday, Friday: 8:30 to 9:45 AM, Mann Hall 321
Instructor: Dr. Andy Grieshop
Course Website: https:/moodle1516-courses.wolfware.ncsu.edu/course/view.php?id=5

CE 479/579: Air Quality
Spring 2016
Homework #3
Due Wednesday, February 17th, in class
NOTES: Use the appropriate number of significant figures and always show units when reporting your boxed
answers.
_
1) (50 pts) Emission of methane to the atmosphere is

CE 479/579: Air Quality
Spring 2016
Homework #1 (Covers Lecture 1-3)
Due Friday, January 22nd in class
NOTES: Use the appropriate number of significant figures and always show units when reporting your boxed
answers. ppm refers to parts per million, and i

CE 479/579: Air Quality
Spring 2016
Homework #2 (Covers Lecture 3-5)
Due Friday, February 5th, in class
NOTES: Use the appropriate number of significant figures and always show units when reporting your boxed
answers.
_
1) [35] In this problem you will ca

CE 479/579: Air Quality
Spring 2016
Homework #4 (Due Wednesday, February 24th, in class)
NOTES:Read/refertoDeNeversCh.6incompletingthisassignment.Usetheappropriatenumberofsignificant
figuresandalwaysshowunitswhenreportingyourboxedanswers.Iexpectyoutocompl

CE 479/579: Air Quality
Spring 2016
Homework #5 (Due Wednesday, March 23rd, in class)
This sequence of problems explores the chemistry of Peroxyacetylnitrate (PAN), which acts as a major
reservoir species for NOx (see Seinfeld and Pandis Section 6.7.2 if