13.2 Boltzmann's Equation
Get the Assessment: FA13.2.docx
The Assessment Solved: (These videos are not the same problems, just the same type of problems)
1. Convert 77 K to oC (-196 oC) Convert 72 oF to oC (22.2 oC) Convert -40.0 oC to oF (???!???)
Temperature Conversion Example 2 Temperature Conversion Example 4 You are on your own for this one. Show your work.
2. What is the average kinetic energy of a molecule of an ideal gas at 20.0 oC? What is the total internal energy of 1.00 moles (6.02x1023 molecules) of an ideal gas at this temperature? (6.07x10-21 J, 3650 J)
3. At what temperature in Celsius is the average kinetic energy of an ideal gas molecule 5.00x10-21 J? (-31.6 oC)
4. What is the RMS speed of a nitrogen molecule (m = 2x14 = 28.0 u) at 30.0 oC? (519 m/s)
5. At what temperature in Celsius is the RMS speed of oxygen molecules (m = 2x16 = 32 u) 470. m/s? (10.5 oC)
The Instruction for this unit: