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A gas expands from I to F along the three paths indicated in the figure below. Calculate the work done on the gas along each of the following paths. P(atm) 12 10 8 (b) IF 6 4 2 0 I B A F 1 2 3 4 5 J V (liters) (a) IAF -2020 x Your response differs from the correct answer by more than 10 %. Double check your calculations. J Ⓡ (c) IBF -303 X Your response differs from the correct answer by more than 10%. Double check your calculations. J

A heat engine operates in a Carnot cycle between 84.0°C and 355°C. It absorbs 20,800 J of energy per cycle from the hot reservoir. The duration of each cycle is 2.00 s. (a) What is the mechanical power output of this engine? kW (b) How much energy does it expel in each cycle by heat? kJ Need Help? Read It Master It

One mole of neon gas is heated from 364 K to 426 K at constant pressure. Note that neon has a molar specific heat of c = 20.79 J/mol K for a constant-pressure process. (a) Calculate the energy Q transferred to the gas. 1.288 kJ (b) Calculate the change in the internal energy of the gas. 0.773 kJ (c) Calculate the work done on the gas. 0.515 You may have made one or more sign errors in your calculation. kJ Need Help? Read It Master It .