When doing numerical calculations involving temperature, you need to pay particular attention to the temperature scale you are using. In general, you should use the Kelvin scale (for which T = 0 represents absolute zero) in such calculations. This isbecause the standard thermodynamic equations (i. e., the ideal gaslaw and the formula for energy of a gas in terms of temperature)assume that zero degrees represents absolute zero.
If you are given temperatures measured in units other thankelvins, convert them to kelvins before plugging them into theseequations. (You may then want to convert back into the initialtemperature unit to give your answer.)
Part A) The average kinetic energy of the molecules of anideal gas at 10 ^\circ {\rm C} has the value K_10. At what temperature T_1 (in degrees Celsius) will the average kinetic energy ofthe same gas be twice this value, 2K_{10}?
Express the temperature to thenearest integer.
Part B) The molecules in an ideal gas at10 ^\circ {\rm C} have a root-mean-square (rms) speed v_rms. At what temperature T_2 (in degrees Celsius) will the molecules have twice therms speed, 2v_{\rm rms} ?
Answers: 2
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When doing numerical calculations involving temperature, you need to pay particular attention to the...
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