Freon-12,CF₂Cl₂,which Has Been Widely Used in Air Conditioning Systems,is Considered $\times$

question 59

Multiple Choice

Freon-12,CF₂Cl₂,which has been widely used in air conditioning systems,is considered a threat to the ozone layer in the stratosphere.Calculate the root-mean-square velocity of Freon-12 molecules in the lower stratosphere where the temperature is -65°C.

• A)20 m/s
• B)120 m/s
• C)210 m/s
• D)260 m/s
• E)4.4 \(\times\) 10⁴ m/s

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Definitions:

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Conversion Disorder

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