A 4-mol ideal gas system undergoes an adiabatic process where it expands and does 28 J of work on its environment. What is its change in internal energy?
a. 28 J
c. zero
b. -28 J
d. -7 J
B
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Most of the larger moons of gas giants were formed at the same time as the gas giants, but somewhere else in the Solar System, and captured by the gas giants later.
Answer the following statement true (T) or false (F)
Monochromatic light is incident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen at 32.5°
What is the wavelength of the incident light? A) 202 nm B) 806 nm C) 452 nm D) 403 nm E) 605 nm
As we grow older, the greatest hearing difficulty is with frequencies that are
A) low. B) mid-range. C) high.
The electron gun in a television tube accelerates electrons (mass = 9.11 × 10^?31 kg, charge = 1.60 × 10^?19 C) from rest to 3.00 × 10^7 m/s within a distance of 2.00 cm. What electric field is required?