A sample of ideal monatomic gas is cooled by 50.0°C at constant volume by removing 831 J of energy from it. How many moles of gas are in the sample? (R = 8.31 J/mol ? K)
A) 2.50 mol
B) 1.50 mol
C) 1.33 mol
D) 1.00 mol
C
You might also like to view...
The excess deuterium in Venus' atmosphere indicates that Venus currently has substantial amounts of water on its surface
a. True b. False Indicate whether the statement is true or false
A blackbody's emission as observed through a low-density gas will produce a ____________________ spectrum
Fill in the blank(s) with correct word
What is the ultimate fate of an isolated pulsar (not in a binary system)?
A) It will spin ever faster, becoming a millisecond pulsar. B) As gravity overwhelms the neutron degeneracy pressure, it will explode as a supernova. C) As gravity overwhelms the neutron degeneracy pressure, it will become a white dwarf. D) It will gradually cool, and it will become too dim to detect. E) It will gradually turn into a white dwarf.
A nonrelativistic electron is confined to a length of 500 pm on the x-axis
What is the kinetic energy of the electron if its speed is equal to the minimum uncertainty possible in its speed? h = 6.626 × 10-34 J ? s, mel = 9.11 × 10-31 kg, 1 eV = 1.60 × 10-19 J) A) 0.015 eV B) 0.15 eV C) 1.5 eV D) 15 eV E) 150 eV