A vessel filled with gas is divided into two equal parts I and 2 by a thin heat-insulating partition with two holes. One hole has a small diameter, and the other has a very large diameter (in comparison with the mean free path of molecules). In part 2 the gas is kept at a temperature η times higher than that of part 1. How will the concentration of molecules in part 2 change and how many times after the large hole is closed?
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A rigid tank is divided into two equal parts by a partition. One part of the tank contains 2.5 kg of compressed liquid water at 400 kPa and 60°C while the other part is evacuated. The partition is now removed, and the water expands to fill the entire tank. Determine the entropy change of water...
A 0.9-m3 rigid tank is divided into two equal compartments by a partition. One compartment contains Ne at 20°C and 100 kPa, and the other compartment contains Ar at 50°C and 200 kPa. Now the partition is removed, and the two gases are allowed to mix. Heat is lost to the surrounding air during...
A 0.9-m3 rigid tank is divided into two equal compartments by a partition. One compartment contains Ne at 20oC and 100 kPa, and the other compartment contains Ar at 50oC and 200 kPa. Now the partition is removed, and the two gases are allowed to mix. Heat is lost to the surrounding air during this...
Thunderstorms severe enough to produce hail develop when an upper-level low (a pool of cold air high in the atmosphere) moves through a region where there is warm, moist air at the surface. These storms create an updraft that draws the moist air into subfreezing air above 10,000 feet. Data from the...
Titan Mining Corporation has 7.3 million shares of common stock outstanding, 220,000 shares of 4.5 percent preferred stock outstanding, and 120,000 6.5 percent semiannual bonds outstanding, par value $1,000 each. The common stock currently sells for $46 per share and has a beta of .95, the...
Find the death rate of 19-year-olds per 100,000 people during the year. How many 19-year-olds would be expected to die out of 10,000 people? Vital Statistics. For Exercise, use the data in the following table, which consists of some vital statistics for people in the United States aged years.
On March 1, 20Y1, Larry Kinyon established Valley Realty, which completed the following transactions during the month: a. Larry Kinyon transferred cash from a personal bank account to an account to be used for the business in exchange for capital stock, $20,000. b. Purchased supplies on account,...
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Halifax Fitness Consulting completed the following petty cash transactions during February 2020: Feb. 2 Prepared a $360 cheque, cashed it, and gave the proceeds and the petty cash box to Nick Reed, the petty cashier. 5 Purchased paper for the copier, $22. 9 Paid $38 COD charges on merchandise...
An ideal gas of molar mass M is enclosed in a vessel of volume V whose thin walls are kept at a constant temperature T. At a moment t = 0 a small hole of area S is opened, and the gas starts escaping into vacuum. Find the gas concentration n as a function of time t if at the initial moment n (0) =...
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Why do economists pay little attention to the algebraic sign of the elasticity of demand for a good with respect to its own price, yet pay careful attention to the algebraic sign of the elasticity of demand for a good with respect to another good\'s price?