Author Question: The molecular weight of carbon dioxide is 44.0 g/mol. What is the internal energy in 3.00 kg of ... (Read 65 times)

bclement10 · **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