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A vessel contains 10-3 m3 of helium gas at 3 K and 103 Pa. Take the zero of internal energy of helium to be at this state.
(a) The temperature is raised at constant volume to 300 K. Assuming helium to behave like an ideal monatomic gas, how much heat is absorbed, and what is the internal energy of the helium? Can this energy be regarded as the result of heating or working?
(b) The helium is now expanded adiabatically to 3 K. How much work is done, and what is the new internal energy? Has heat been converted to work without compensation, thus violating the second law?
(c) The helium is now compressed isothermally to its original volume. What are the quantities of heat and work in this process? What is the thermal efficiency of the cycle? Plot the cycle on a PV diagram.
How do the writers see themselves and other creatures including plants, trees, water and animals in their formulation of nature?
What were the exteral threats to Islam between 950 and 1250? Policy: What were the defining characteristics of Islam by 1100?
Write a Research paper on Silva video. Next, construct your written assignment to meet the content and written communication expectations stated below.
post your response under this thread for discussion question. respond in 250 words each question references is a
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What is the entropy change of the universe? The same current is maintained for the same time in the same resistor, but now thermally insulated, with the same initial temperature. If the resistor has a mass of 109 and a specific heat of 836 J/kg . ..
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Write a 1,050- to 1,400-word paper to include the following: Information about each of the thinker's unique contributions to society.
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Your Final Project will consist of two parts. Part One will involve critiquing research that has been performed by others. You will need to critically evaluate the researcher's work by identifying strengths, weaknesses, areas to improve, and possib..
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