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1. Describe the basic assumptions of the LSW theory and discuss its results and implication.
2. Consider two separate particles with a radius of r and r2, respectively, in a liquid. Draw schematically the solute distributions in the liquid between the particles for diffusion and reaction-controlled growth, respectively. For reaction-controlled growth, are there any differences between the solute distribution in the LSW theory and those in dissolution-controlled growth and precipitation-controlled growth? Explain.
A state runs a lottery in which 6 numbers are randomly selected from 40, without replacement. A player chooses 6 numbers before the state's sample is selected.
superheated steam at 18 mpa. 560 degree c enters the steam turbine. the pressure at the exit of the turbine is 0.06 bar
A centrifugal compressor has 23 radial vanes and an exit area equal to 0.12 m2, where the radial velocity is 27 m/s, and the tip speed of the impeller is 350 m/s. The total-to-total efficiency is 0.83.
an air-standard otto cycle has a compression ratio of 7.5. at the beginning of compression p1 85 kpa and t1 305 k.
Explain why it is difficult to validate a reusable component without the component source code. In what ways would a formal component specification simplify the problems of validation?
A single-stage ideal regenerative steam cycle has a boiler pressure and temperature of 5000 kPa and 500 C, and a condensing pressure of 10 kPa. The extraction pressure is 500 kPa.
The lock is 8 m wide. Calculate the resulting forces on this pair of doors, and draw a free-body diagram of this pair of doors showing the opposing pressure distributions
Find the final velocity (magnitude and direction) of each glider if the collision is elastic.
1. Why does popcorn pop? 2. A plastic milk jug filled with water and stored within a freezer ruptures. Why? 3. Apart from keeping food and beverages cool, what are other uses for dry ice?
a motorcycle moves with a constant speed of v25 ms around a curved track radius r 800m. what is the magnitude and the
vinegar is a solution of acetic acid dissolved in water. a 5.54 g sample of vinegar was neutralized by 30.10ml of .100
hot air steadily enters a gas turbine at 5 bar 900 k and exits at 1 bar 600 k and a velocity of 100 ms. the mass flow
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