Topical Questions
These questions are keyed to the major topics in the chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
Dry Ice (solid carbon dioxide) sublimes (changes from solid to gas without forming liquid) at -78.6 °C. Suppose you had a sample of gaseous carbon dioxide and the temperature was 30 degrees Fahrenheit below zero (-30 °F, a very cold day). Would solid carbon dioxide form? Explain briefly how you answered the question.
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