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Radon gas is considered a health hazard because of its radioactivity. A sample of radon gas...

Radon gas is considered a health hazard because of its radioactivity. A sample of radon gas starts at a volume of 10.0 kL and a temperature of 120oC. If its final temperature is 110oC, volume is 18.1 kL, and pressure is 302 kPa, what was its original pressure?

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