Use the worked example above to help you solve this problem. A cylinder contains 2.15 mol of helium gas at 18.5°C. Assume that the helium behaves like an ideal gas. (a) Find the total internal energy of the system.  J (b) What is the average kinetic energy per molecule?  J (c) How much energy would have to be added to the system to double the rms speed? The molar mass of helium is 4.00  10-3 kg/mol.

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A: Step 1:Step 2:Step 3:

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Q: ABCDA. (Enter your answers in J.) HINT (b) BC 0 P(105 Pa) 5.00 (d) DA 0 2.00 J (e) ABCDA (a) AB…

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Q: A beaker with a metal bottom is filled with 17 g of water at 20 °C. It is brought into good thermal…

A: A beaker with a metal bottom is filled with 17 g of water at 20 °C. It is brought into good thermal…

Q: Please refer to the picture when answering the questions.  0.05 mole of helium is expanded from 1…

A: a) Work done by gas in isobaric process is given by W=PVfinal-Vinitial=1.013·1052-1=101300 Joules

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