Question: A light, plastic sphere with mass m = 9.00 g and density r = 4.00 kg/m 3 is suspended in air by thread of negligible

A light, plastic sphere with mass m = 9.00 g and density r = 4.00 kg/m³ is suspended in air by thread of negligible mass.

(a) What is the tension T in the thread if the air is at 5.00^oC and p = 1.00 atm? The molar mass of air is 28.8 g/mol.

(b) How much does the tension in the thread change if the temperature of the gas is increased to 35.0^oC? Ignore the change in volume of the plastic sphere when the temperature is changed.

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