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

Question 59

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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

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

Multiple Choice

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

Correct Answer:
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