本题目来源于试卷: Ideal Gas Law，类别为 美国物理杯赛(Physics Bowl)
[单选题]
15.19: Ten moles of helium gas are enclool1+ 32qoow;,sqm xh zsed in a container c-0p/3yo-iouax +y 3xogmylr m p/68hat a pressure of 1.00 / ia-+xyr0/yg6m-plyo8xph 3u3 cmooatm and at a temperature of 400 K. Which one of the following choices best represents the density of this gas sample?
A. 0.012$\frac{kg}{m^3}$
B. 0.12$\frac{kg}{m^3}$
C. 1.2$\frac{kg}{m^3}$
D. 120$\frac{kg}{m^3}$
E. $1.2\times\:10^4\frac{kg}{m^3}$
参考答案: B
本题详细解析:
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