Chapter 20: Problem 15
List the properties of CFCs, and name four major uses of these compounds.
Chapter 20: Problem 15
List the properties of CFCs, and name four major uses of these compounds.
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Get started for freeBriefly discuss two industrial processes that lead to acid rain.
A concentration of \(8.00 \times 10^{2}\) ppm by volume of \(\mathrm{CO}\) is considered lethal to humans. Calculate the minimum mass of CO in grams that would become a lethal concentration in a closed room \(17.6 \mathrm{~m}\) long, \(8.80 \mathrm{~m}\) wide, and \(2.64 \mathrm{~m}\) high. The temperature and pressure are \(20.0^{\circ} \mathrm{C}\) and \(756 \mathrm{mmHg}\), respectively.
Assume that the formation of nitrogen dioxide: $$ 2 \mathrm{NO}(g)+\mathrm{O}_{2}(g) \longrightarrow 2 \mathrm{NO}_{2}(g) $$ is an elementary reaction. (a) Write the rate law for this reaction. (b) A sample of air at a certain temperature is contaminated with \(2.0 \mathrm{ppm}\) of \(\mathrm{NO}\) by volume. Under these conditions, can the rate law be simplified? If so, write the simplified rate law. (c) Under the conditions described in (b), the half-life of the reaction has been estimated to be \(6.4 \times 10^{3} \mathrm{~min} .\) What would the half- life be if the initial concentration of NO were \(10 \mathrm{ppm} ?\)
Deforestation contributes to the greenhouse effect in two ways. What are they?
The \(\mathrm{HO}_{3}\) radical was once thought of as a temporary reservoir of atmospheric OH radicals. Draw a Lewis structure of the species.
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