Solution: When a gas was heated under atmospheric
Chapter 14, Problem 15.92(choose chapter or problem)
When a gas was heated under atmospheric conditions, its color deepened. Heating above 150C caused the color to fade, and at 550C the color was barely detectable. However, at 550C, the color was partially restored by increasing the pressure of the system. Which of the following best fits the above description? Justify your choice. (a) A mixture of hydrogen and bromine, (b) pure bromine, (c) a mixture of nitrogen dioxide and dinitrogen tetroxide. (Hint: Bromine has a reddish color and nitrogen dioxide is a brown gas. The other gases are colorless.)
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