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Freon-12, CF2Cl2, which has been widely used in air conditioning systems, is considered a threat to ...

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Freon-12, CF2Cl2, which has been widely used in air conditioning systems, is considered a threat to ...

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.

▸ 20 m/s

▸ 120 m/s

▸ 207 m/s

▸ 260 m/s

▸

4.4 × 10⁴ m/s

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Chemistry: Atoms First

Edition: 4^th

Author: Burdge

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