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Author Question: The molecular weight of nitrogen, N2, is 28 g/mol. What is the rms speed of nitrogen molecules in a ... (Read 93 times)

swpotter12

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The molecular weight of nitrogen, N2, is 28 g/mol. What is the rms speed of nitrogen molecules in a cooler at 8.0C? The Boltzmann constant is 1.38  10-23 J/K and NA = 6.022  1023 molecules/mol.
 
  A) 450 m/s
  B) 500 m/s
  C) 550 m/s
  D) 600 m/s
  E) 650 m/s

Question 2

How much energy does a 100-W light bulb use in 8.0 hours?
 
  A) 13 kWh B) 0.80 kWh C) 0.0080 kWh D) 800 kWh


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juwms

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swpotter12

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Reply 2 on: Jul 29, 2018
Excellent


mochi09

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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