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

How did the large influx of immigrants change america?

How can firms use marginal analysis to determine the price of a product? a) profit maximization can occur when the marginal cost exceeds the marginal revenue. b) the total cost of production can determine the individual unit price of a product. c) marginal analysis can be used to determine at what price profit maximization occurs. d) firms can calculate the marginal cost of a product and set the price lower than the cost.

You want free points & brainliest? answer this drivers ed question correctly and i got you in which of the following situations should you use your vehicle's hazard lights? a. you're stopped on the side of the road with an engine that won't start. b. you're driving toward the shoulder because you hear a strange noise. c. you're driving in the rain and your headlights aren't functioning. d. you're driving slowly because you just spilled coffee on your lap.