An ideal monatomic gas cools from 455.0 K to 405.0 K at constant volume as 831 J of energy is removed from it. How many moles of gas are in the sample? The ideal gas constant is R = 8.314 J/mol ? K
A) 2.50 mol
B) 2.15 mol
C) 1.50 mol
D) 1.33 mol
E) 0.725 mol
Answer: D
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Fill in the blank(s) with the appropriate word(s).
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A. I. B. II. C. III. D. IV. E. V.
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