During a physics experiment, helium gas is cooled to a temperature of 20.0 K at a pressure of 0.110 atm.What is the mean free path in the gas?Express your answer with the appropriate units.▸ View Available Hint(s)HAA= 9.881 107 mSubmitPrevious Answers?× Incorrect; Try Again; 3 attempts remainingPart BWhat is the rms speed of the atoms?Express your answer with the appropriate units.▸ View Available Hint(s)SubmitPart CValueUnitsWhat is the average energy per atom?Express your answer with the appropriate units.▸ View Available Hint(s)I baito?回?

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a. Compute the specific heat capacity at constant volume of nitrogen (N2) gas. The molar mass of N2 is 28.0 g/mol. b. You warm 1.15 kg of water at a constant 1L volume from 20∘C to 30∘C in a kettle. For the same amount of heat, how many kilograms of 20∘C air would you be able to warm to 30∘C? Make the simplifying assumption that air is 100% N2. What volume would this air occupy at 20∘C and a pressure of 1 atm ?
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