By North G.R., Erukhimova T.L.

This textbook provides a uniquely built-in process in linking either physics and chemistry to the learn of atmospheric thermodynamics. The e-book explains the classical legislation of thermodynamics, makes a speciality of a variety of fluid platforms, and, spotting the expanding value of chemistry within the meteorological and weather sciences, devotes a bankruptcy to chemical thermodynamics inclusive of an summary of photochemistry. even though scholars are anticipated to have a few historical past wisdom of calculus, basic chemistry and classical physics, the publication presents set-aside refresher containers as priceless reminders. It includes over a hundred diagrams and graphs to complement the discussions, and an analogous variety of labored examples and workouts, with options incorporated on the finish of the booklet. it truly is perfect for a single-semester complicated direction on atmospheric thermodynamics, and should organize scholars for higher-level synoptic and dynamics classes.

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8 A particle falls from outer space to the Earth’s surface. Far away its potential energy is zero. 1). What is the velocity of the mass when it strikes the Earth’s surface? (This is exactly the vertical velocity it would have to have if it were to escape the Earth’s gravity field after being projected upwards from the surface. , no kinetic energy is lost in the collision: vafter = −vbefore ). How long does the round trip take? 1 Ideal gas basics Gases are a form of matter in which the individual molecules are free to move independently of one another except for occasional collisions.

A) Compute the circumference of the Earth at the Equator in km. (b) How many km are there per degree of longitude at the Equator? (c) How many km are there per degree of longitude at 30◦ N? A numerical model of the atmosphere has horizontal resolution (grid boxes) 2◦ × 2◦ . What is the area of one of these boxes at the Equator, and at 30◦ N? 81 m s−2 ). 7 Newton’s Law of Gravity says that the force on a particle of mass M is F =− GME M . 1). 8 A particle falls from outer space to the Earth’s surface.

48) After noting that the volumes are the same for ρi and ρ, we can write Reff = M1 M2 R1 + R2 + · · · M M [effective gas constant for a mixture]. 49) Note that the coefficients in the last equation are mass fractions, not mole fractions. It might be necessary to calculate the effective molecular weight of a mixture (as we have used Md = 29 g mol−1 for dry air). 50) where M is the molecular weight (kg mol−1 ). 49) and set Reff = R∗ . 51) This leads to Meff = R∗ Reff [effective molecular weight for a mixture].

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