作者angeliawendy (wendy)
看板Physics
标题[题目] 热物理/热力学 两题问题
时间Wed Nov 10 23:59:06 2010
[题目]
1:Calculate the critical temperature of helium if the critical pressure
is 2.26atm and density is 0.069g/立方公分
2:1kg of water is boiled under a pressure of 2atm at 393k,if the volume
occupied by water and steam under given condition are respectively
0.001立方公尺 and 0.824立方公尺,calculate workdone and the increase
in internal energy.L=2.20*10J kg(-1次方)
[瓶颈]
这学期第一次接触热力学,这两题是老师自己出的题目.想请问一下要用什麽方法或公式
来计算,答案都算不出来..有人算出答案那更感谢了!!
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