Determine the change in entropy (in J/K) when 5.00 moles of an ideal gas at 0°C are compressed isothermally from an initial volume of 100 cm3 to a final volume of 20 cm3
a. -191
b. -52
c. -71
d. -67
e. -208
D
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The study of the oscillations of the surface and interior of the Sun is known as ____________________
Fill in the blank(s) with correct word
Although stars much more luminous than our Sun have wider habitable zones, planets around them are unlikely to have developed life because high luminosity stars
A) have extremely short lifetimes of the order of millions of years B) are not expected to form rocky, terrestrial planets C) emit very high levels of short wavelength radiation D) are very unstable
The type of volcanic material that may plug a
volcanic vent causing a buildup of pressure that can result in an explosive eruption is composed of a) high-pressure gases. b) low-silica lava. c) high-silica lava. d) volcanic bombs.
A beam of white light of a certain frequency is incident on a metal surface. If the work function of this surface is 2.20 eV,
what frequency of light would give a maximum kinetic energy of 0.25 eV to the photoelectrons ejected from this surface? A) 2.05 × 1014 Hz B) 1.02 × 1014 Hz C) 2.50 × 1014 Hz D) 3.53 × 1014 Hz E) 5.92 × 1014 Hz