Bài 20: Một kg không khí có trạng thái ban đầu p1 = 6 bar, t1 = 25 0C. Sau khi giãn nở đoạn nhiệt thể tích tăng lên hai lần. Hãy xác định:
a. Biểu diễn quá trình lên đồ thị p-v và T - s
b. Các thông số trạng thái cuối
c. Công kỹ giãn nỡ và công kỹ thuật
d. Độ biến thiên entanpi, độ biến thiên nội năng

Like many students at university, you may be unhappy about the results you attain in exams. you may feel that even with all you are doing there must be something more -- or different-- you could be doing to get better grades. we have all at some time or other heard of that student who only studies a couple of hours for final exams and scores a's every time. we stand in awe of those who seem to breeze through without undue effort and seem to need very little in the way of studying to nail an exam. the reasons for success, in what i think are the vast majority of cases, are less esoteric than many students think: successful students consistently apply a series of productive strategies with view to attaining clearly identified learning and grade goals throughout the academic term.

It's more opinion based, so it really depends on your personal views of the topic of religion, there is no wrong answer, with the exception of irrelevant answers.hope that .

You're funny