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Physics sph 212

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A person takes in a breath of 0 degrees celsius air and holds it until it warms to 37 degrees celsius. The air has an initial volume of 0.700L and a mass of 9.00*10^-4kg. Determine
a. the work done by the air on the lungs if the pressure remains constant at atm,
b.the change in internal energy of the air,and
c.the energy added to the air by heat. Model the air as if it were the monatomic gas

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