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Author Question: The molecular weight of carbon dioxide is 44.0 g/mol. What is the internal energy in 3.00 kg of ... (Read 33 times)

bclement10

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on: Jul 29, 2018
The molecular weight of carbon dioxide is 44.0 g/mol. What is the internal energy in 3.00 kg of carbon dioxide at 300 K? As an approximation, treat the carbon dioxide gas as if it was monatomic.
 
  A) 2.55  105 J
  B) 1.70  105 J
  C) 2.55  104 J
  D) 1.70  104 J
  E) 1.70  106 J

Question 2

A satellite is in a circular parking orbit 6.98  106 m from the center of Earth. To initiate a Hohmann transfer, a rocket gives it an accelerating thrust so that its speed is increased to 8300 m/s.
 
  How far from the center of Earth will the satellite be when it reaches its apogee? The mass of Earth is 5.97  1024 kg and G = 6.67 x 10-11 Nm2/kg2. A) 3.12  107 m
  B) 2.48  107 m
  C) 1.06  107 m
  D) 6.73  107 m
  E) 4.75  107 m


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TheNamesImani

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


bclement10

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Reply 2 on: Jul 29, 2018
Gracias!

isabelt_18

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Reply 3 on: Yesterday
Excellent

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