Estimate the average kinetic energy per molecule

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Reference no: EM13510901

A cylinder contains 2.25 mol of helium gas at 21.0°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.

=?J

Reference no: EM13510901

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