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^ https://www.webassign net/web/Student/Assignment Responses/submit/dep 13. [-/6.25 Points] DETAILS SERCP11 10.4.P.037. MY NOTES A weather balloon is designed to expand to a maximum radius of 21 m at its working altitude, where the air pressure is 0.030 atm and the temperature is 200 K. If the balloon is filled at atmospheric pressure and 304 K, what is its radius at liftoff? m Need Help? Submit Answer 14. [-/6.25 Points) DETAILS SERCP11 10.4.P.038. MY NOTES PRACTICE ANOTHER The density of helium gas at 0°C is po - 0.179 kg/m². The temperature then raised to T- 110°C, but the pressure is kept constant. Assuming that helium is an ideal gas, calculate the new density py of the gas kg/m³ Need Help? hote dor 10 PRACTICE ANOTHER 87"F A 4:13 PM 7/11/20