A fish at a pressure of 1.1 atm has its swim bladder inflated to an initial volume of 8.16 mL. If the fish starts swimming horizontally, its temperature increases from 20.0°C to 22.0°C as a result of the exertion. (a) Since the fish is still at the same pressure, how much work is done by the air in the swim bladder? (b) How much heat is gained by the air in the swim bladder? Assume air to be a diatomic gas. (c) If the fish stops and this quantity of heat is lost, by the fish to the water at 20.0°C, how much is the fish and the universe (fish + water) entropy variation?
A fish at a pressure of 1.1 atm has its swim bladder inflated to an initial volume of 8.16 mL. If the fish starts swimming horizontally, its temperature increases from 20.0°C to 22.0°C as a result of the exertion. (a) Since the fish is still at the same pressure, how much work is done by the air in the swim bladder? (b) How much heat is gained by the air in the swim bladder? Assume air to be a diatomic gas. (c) If the fish stops and this quantity of heat is lost, by the fish to the water at 20.0°C, how much is the fish and the universe (fish + water) entropy variation?
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Transcribed Image Text:A fish at a pressure of 1.1 atm has its swim bladder inflated to an initial volume of 8.16 mL. If the fish starts swimming
horizontally, its temperature increases from 20.0°C to 22.0°C as a result of the exertion.
(a) Since the fish is still at the same pressure, how much work is done by the air in the swim bladder?
(b) How much heat is gained by the air in the swim bladder? Assume air to be a diatomic gas.
(c) If the fish stops and this quantity of heat is lost, by the fish to the water at 20.0°C, how much is the fish and the universe (fish +
water) entropy variation?
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