Physics
Physics, 13.07.2019 19:10, hardwick744

On a cool morning, when the temperature is 10°c, you use a typical tire pressure gauge to measure the pressure in your car's tires and find it to be 30 psi. the drive to work heats your tires, and the air inside them, to 35°c. what is the pressure now? if you measured it, would you be able to notice the difference? 6. a diver in 50 m deep, 10°c water exhales a 1.0 cm diameter air bubble. the water pressure at this depth is 5.9 10 pa. find the bubble's diameter as it reaches the surface of the lake, where the water is 20°c. you may assume the bubble is in thermal equilibrium with the water. 7. a compressed air cylinder is known to fail if the pressure exceeds 110 atm, as measured with a pressure gauge. it was filled and the pressure measured to be 370 psi at 20°c and stored in a warehouse. unfortunately, the warehouse catches fire and the temperature of the cylinder rises to 900°c. does the cylinder blow up? 8. 10 g of dry ice (solid co2) is placed in a 10,000 cm2 container and the air is quickly pumped out and the container sealed. the container is warmed to 0°c, a temperature at which the co2 is a gas. (a) what is the pressure in the container? give your answer in atm. (b) the gas then undergoes an isothermal compression until the pressure is 3.0 atm. immediately following there is an isobaric compression until the volume is 1000 cm3. what is the final temperature of the co2 gas (in celsius)? (c) show the process on a pv diagram.

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