Use the worked example above to help you solve this problem


Use the worked example above to help you solve this problem. A cylinder contains2.15mol of helium gas at19.0°C. Assume that the helium behaves like an ideal gas.

(a) Find the total internal energy of the system.

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(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 is4.0010-3kg/mol.

J

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Physics: Use the worked example above to help you solve this problem
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