Starting out on a triple into the mountains, you inflate the tries on your automobiles to a recommended pressure of 3.21 × 105 Pa on a day when the temperature is -5.0°C. You drive to the beach, where the temperature is 28.0°C. Assume that the volume of the tire has increased by 3%. What is the final pressure in the tyres?

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350 Pa

3500 Pa

3.5×105 Pa

None of these

answer is C.

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Detailed Solution

Because the number of moles is constant.PiViTi=PfVfTf; Pf=PiViTfVfTiPf=PiViTfVfTi=3.21×105Pa×Vi1.03Vi×(273+28.0)(273−5.00)=3.50×105Pa

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