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.
A sample of gas has a volume of 2.50 L at a pressure of 670. mm Hg and a temperature of 80. °C. If the pressure remains constant but the temperature is decreased, the gas occupies 1.25 L. What is this new temperature, in degrees Celsius?
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