An ideal gas is at a pressure of 2.00 atmospheres and a temperature of 35.0
What is the molar density?
A. 84.3 
B. 78.9
C. 70.2
D. 66.7
E. 60.4
B. 78.9
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Indicate whether the statement is true or false
Fusion is often called a "thermonuclear reaction" because
A) it is a nuclear reaction that consumes, or uses, more thermal energy than it creates. B) it is a process that converts thermal energy into nuclear energy. C) it is a nuclear reaction that is self-sustaining a sufficiently high temperatures. D) it produces nuclear energy. E) it is a nuclear reaction that produces more total energy than it consumes.
A Young's interference experiment is conducted with violet argon laser light (? = 409 nm). The separation between the slits is 0.66 mm, and the interference pattern appears on a screen 3.8 m away. What is the spacing between the bright fringes? (1 nm = 10?9 m)
a. 1.5E–3 m b. 2.4E–3 m c. 1.5E+4 m d. 4.7E–3 m e. 1.6E–3 m
The natural frequencies for a stretched string of length L, and wave speed v, are Nv/(2L) where N equals
A) 0, 1, 2, 3, ... B) 2, 4, 6, 8, ... C) 1, 2, 3, 4, ... D) 0, 1, 3, 5, ... E) 1, 3, 4, 5, ...