Determine heat input into engine for each mj removed
A heat-engine of 32% thermal efficiency is used to drive a refrigerator having coefficient of performance of 5. Determine the heat input into the engine for each MJ removed from the refrigerated space by the refrigerator.
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How many mL of unknown "X" (density = 0.79 g/mL) needs to be dissolved in 50.0 g of water (Kb=0.512) to make the boiling point of the resulting solution to be 104.5 degree celsius if when unknown "X" dissolves in water to form 3 moles of ions for
Cruising at 20.1 m/s (45 mph), the gage reads 14 inches of Hg (Mercury) vacuum. If the local atmospheric pressure is 99.5 kPa, what is the absolute intake manifold pressure in kPa. Show all your steps clearly.
What kind of distribution does Y have (give name and parameter value(s))? Find the expected daily revenue for the extruder.
Aniline (C6H5NH2, Kb = 4.3 x 10^-10) is a weak base used in the manufacture of dyes. Calculate the value of Kn for neautralization of aniline by vitamin C (ascorbic acid, C6H8O6, Ka = 8.0 x 10^-5). Does much aniline remain at equilibrium?
Evaluate Zeff for a valence electron in the elements Li through Ne and use the result to explain the observed trend in the first ionization energy of these elements.
Explain why, in the base-catalyzed halogenation of acetone, the second and third halogenations occur on the same carbon as the first, and not the carbon of the other methyl group??
How much work does he do during a 100 km race in which his average speed is 12.0 m/s? Often, the work done is expressed in nutritional Calories rather than in joules. Express the work done in part (a) in terms of nutritional Calories, noting that
An article in the Journal of Composite Materials (Vol 23, 1989, p. 1200) describes the effect of delamination on the natural frequency of beams made from composite laminates. Five such delaminated beams were subjected to loads, and the resulting f
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but I would like to discuss to what extent employers should/should not influence or curb political participation in their workplaces.
Suppose you are the head of an island nation with a poor, growing population and the natural resources of the island are being degraded.
Question: What was the economic and political impact, if any protect the health and welfare to citizens ?
Problem: Article 3 of the Texas Constitution sets up the Texas Legislature. It also does which of the following?
Summarize how the ERA can be ratified and explain why this is the most likely way. You will draw on instances that are important to you
Which amendment to the U.S. Constitution is often called the "States' Rights Amendment" and is commonly used by states to challenge
Mechanisms of State-Led Development:** - **Industrial Policy:** Both countries used targeted industrial policies to support specific sectors, such as electroni