a$.$ Preparing for an exam

b$.$ Writing a term paper

c$.$ Planning a vacation

$7\mathrm{.}425.$ Discuss how sustainability might be incorporated into a process or value chain improvement initiative. Try to find an example and summarize it in a man$-$

$7\mathrm{.}529$

ner similar to that in the box feature on Alfa Laval.

OMPUTATIONAL PROBLEMS AND EXERCISES

nese exercises require you to apply the formulas and methods described in $t$

$30.$ Carbon dioxide emissions associated with a onenight stay in a hotel room are calculated at $29\mathrm{.}53kg$ of $C{O}_2$ per room day for an average hotel. The $200$ rooms of your hotel are all occupied for two days during a college football game.

a$.$ How much $C{O}_2$ did the guests and hotel release into the atmosphere?

b$.$ What work, leisure activities, and processes in the hotel generate $C{O}_2$ emissions? Provide three examples and explain how carbon dioxide is emitted.