What is the internal energy of 50 moles of neon gas (molecular mass = 20 u) at 20.0°C? (R = 8.31 J/mol/K)
a. 1.8E+5 J
b. 8.1E+5 J
c. 2.1E+3 J
d. 1.2E+4 J
e. It depends on the container size, which is not given.
a
You might also like to view...
A set of twins, Andrea and Courtney, are initially 10 years old
While Courtney remains on Earth, Andrea rides on a spaceship which travels away from Earth at a speed of 0.60c for five years (as measured by Courtney), then immediately turns around and comes back at 0.60c. When Andrea returns, Courtney is 20 years old. How old is Andrea upon her return? A) 10 y B) 12 y C) 15 y D) 18 y E) 20 y
The amount of light received at Earth from a star is called luminosity
a. True b. False Indicate whether the statement is true or false
An electron moves in a region where the magnetic field is uniform, has a magnitude of 60 ?T, and points in the positive x direction. At t = 0 the electron has a velocity that has an x component of 30 km/s, a y component of 40 km/s, and a z component of zero. What is the radius of the resulting helical path?
A. 4.7 mm B. 18 mm C. 3.8 mm D. 2.8 mm E. 5.7 mm
A 4.00 kg solid sphere (I = 2/5 
) is spinning with an angular velocity of 23.0 rad/s. The diameter of the sphere is 20.0 cm. The angular kinetic energy of the spinning sphere is
A. 3.02 J. B. 3.52 J. C. 3.75 J. D. 4.02 J. E. 4.23 J.