問題詳情

49. A cylinder contains n mol of helium gas (ideal monatomic gas) at a temperature of 300 K. Theuniversal gas constant is R (R=

) , where

is Avogadro’ number and

isBoltzmann’s constant. If the gas is heated at constant pressure, how much energy must betransferred by heat to the gas after it is heated to 500 K?
(A) 200n?
(B) 300nR 
(C) 500nR 
(D) 800nR 
(E) 1000nR

參考答案

答案：C
難度：計算中-1
書單：沒有書單，新增