Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống
1
/ 101 trang
Thông tin tài liệu
... number of moles of gas in the bubble is n = p1V1/RT1 = (p0 + ρgd)V1/RT1, where V1 is the volume of the bubble at the bottom of the lake and T1 is the temperature there At the surface of the lake... is the heat of vaporization and N is the number of molecules per gram The molar mass of atomic hydrogen is g/mol and the molar mass of atomic oxygen is 16 g/mol so the molar mass of H2O is (1.0... from Vf to Vi Now Vf = piVi/pf, so æ p V ửữ W = p f ỗỗỗVi - i i ÷ = ( p f - pi )Vi = (1.013´ 105 Pa - 2.04´ 105 Pa )(0.14 m3 ) ÷ ữ ỗố pf ứ = - 1.44 104 J The total work done by the gas over the entire