A container with rigid walls is filled with 4.00 mol of air at 17°C with CV = 2.5R. What is the final temperature of the air if its internal energy is increased by 28 kJ? (R = 8.31 J/mol ? K)
A) 337°C
B) 354°C
C) 337 K
D) 354 K
E) 610 K
B
You might also like to view...
If Galaxy A is found to have a recessional velocity four times greater than Galaxy B, what can you say about their relative distances from Earth?
a. Galaxy A is four times closer than Galaxy B. b. Galaxy A is four times further away than Galaxy B. c. Galaxy A is twice as distant than Galaxy B. d. Galaxy A is twice as close than Galaxy B.
The diagram is of a simple spectroscope. If lens #1 were omitted, the resulting spectrum would be
1) much dimmer. 2) upside down. 3) no different. If, instead, the slit were opened too wide, the middle of the spectrum would appear 4) white. 5) much narrower. 6) black. 7) a broader yellow.
Explain how Kepler's laws allow us to use the motion of an asteroid to find its average distance from the Sun
What will be an ideal response?
If a camera lens aperture is set to f/4, then
A) the diameter of the lens aperture is 4 times its focal length. B) the radius of the lens aperture is ¼ the focal length. C) the radius of the lens aperture is 4 times its focal length. D) the diameter of the lens aperture is ¼ the focal length. E) the focal length of the lens is 4 mm.