Determine the entropy change of the irreversible process
Water at 3 MPa and 160°C is produced from water at 2.5 MPa and 40°C in an irreversible process. The mass of the water is 5.6 kg. Find the entropy change of the process (kJ/K).
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If the compressor consumes 1.2 kW off power, determine the COP of the heat pump and the rate of heat absorption from the outside air. Show work.
Determine the empirical formula of a 100 g sample of acompound found to contain 63.50 g of silver. 8.25 g of nitrogen,and the remainder of oxygen.
An interstellar dust grain, roughly spherical with a radius of 3e-07 m, has acquired some negative charges such that the potential on its surface relative to infinity is -16 V. Assuming that the charge is spread uniformly, what is the surface charg
How many grams of solid ammonium chloride would you have to add to2.5 L of .125 M NH3 to obtain a buffered solution of pH= 8.350? (Kb of NH3 = 1.8 *10-5)
A projectile is fired horizontally with an initial velocity of 9.00 m/s near the earth's surface. Assume that the projectile does not collide with anything. a. What is the horizontal displacement of the projectile at t1 = 0.550 s.
The average sodium content per packet of a certain brand of soup in a cup is 780 milligrams and the standard deviation is 45 milligrams. Assume that the sodium content in this variety of soup in a cup is normally distributed.
An inventor claims to have developed a food freezer that at a steady state requires a power input of .5 kW to extract energy by heat transfer at a rate of 3000 J/s from freezer contents at 270 K.
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Compared to other racial minorities, Asian Americans are Group of answer choices better integrated into American society, with higher incomes.
Research a current issue in your community that affects/has affected the police and civilians in your community. Provide an overview of the issue.
Social class has both superficial and deep impacts on body, leading scholars to argue that class is "readable" on the body.
Look through several magazines, or research ads on line and select an advertisement that you believe uses sex, race, gender, family roles
Question: Which function of deviance is served by candlelight vigils following acts of mass violence?
compare/discuss violence in contemporary American and how that history has been carried forward over time. Violence: An American Tradition:
Identify a gender role (or a pair of gender roles) that you think has changed in the culture(s) you grew up in over the past fifty years.