Large helium-filled balloons are used to lift scientific equipment to high altitudes.                                                                                                               (a) What is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºC and rises to an altitude where its volume is twentytimes the original volume and its temperature is – 50.0ºC ?(b) What is the gauge pressure? (Assume atmospheric pressure is constant.)

Q: Large helium-filled balloons are used to lift scientific equipment to high altitudes. (a) What is…

A: Given T1=10.8° C + 273.15 = 283.95 K T2 = -43.7° C + 273.15 = 316.85 K   Ideal gas law equation…

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A: Given, The absolute pressure, P=7.30×105 N/m2 The initial temprature of gas, T1=21+273.15=294.15 K

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