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
Physics & Space Science
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An ideal diatomic gas has a molar specific heat at constant pressure Cp of:
A. R B. 3R/2 C. 5R/2 D. 7R/2 E. 9R/2
Physics & Space Science
The "billiard ball model" of the atom is associated with a scientist named ______________
Fill in the blank(s) with correct word
Physics & Space Science
A proton is accelerated from rest through a potential difference of 150 V. It then enters a region of uniform magnetic field and moves in a circular path (radius = 12 cm). What is the magnitude of the magnetic field in this region?
a. 18 mT b. 12 mT c. 15 mT d. 22 mT e. 10 mT
Physics & Space Science
Two nonzero vectors have unequal magnitudes of X and Y. Which of the following could be the length of their sum?
(i) 0 (ii) X+Y (iii) X (iv) Y
1.(ii) only 2.Any of them could be the length of the sum. 3.(i), (iii), and (iv) 4.(ii), (iii), and (iv)
Physics & Space Science