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Category > Applied Sciences Posted 02 May 2017 My Price 15.00

An insulated piston–cylinder

1. An insulated piston–cylinder device contains 100 L of air at 400 kPa and 25°C. A paddle wheel within the cylinder is rotated until 15 kJ of work is done on the air while the pressure is held constant. Determine the final temperature of the air. Neglect the energy stored in the paddle wheel.

2. A spring-loaded piston-cylinder device contains 1 kg of carbon dioxide. This system is heated from 100 kPa and 258C to 1000 kPa and 300°C. Determine the total heat transfer to and work produced by this system.

Answers

Alpha Geek
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Status NEW Posted 02 May 2017 10:05 AM My Price 15.00

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file 1493720644-answer1.docx preview (90 words )
1-----------. A-----------n i-----------nsu-----------lat-----------ed -----------pis-----------ton-----------–-----------cyl-----------ind-----------er -----------dev-----------ice----------- co-----------nta-----------ins----------- 10-----------0 L----------- of----------- ai-----------r a-----------t 4-----------00 -----------kPa----------- an-----------d 2-----------5°-----------C. -----------A p-----------add-----------le -----------whe-----------el -----------wit-----------hin----------- th-----------e c-----------yli-----------nde-----------r i-----------s r-----------ota-----------ted----------- un-----------til----------- 15----------- kJ----------- of----------- wo-----------rk -----------is -----------don-----------e o-----------n t-----------he -----------air----------- wh-----------ile----------- th-----------e p-----------res-----------sur-----------e i-----------s h-----------eld----------- co-----------nst-----------ant-----------. D-----------ete-----------rmi-----------ne -----------the----------- fi-----------nal----------- te-----------mpe-----------rat-----------ure----------- of----------- th-----------e a-----------ir.----------- Ne-----------gle-----------ct -----------the----------- en-----------erg-----------y s-----------tor-----------ed -----------in -----------the----------- pa-----------ddl-----------e w-----------hee-----------l. ----------- 2.----------- A -----------spr-----------ing------------lo-----------ade-----------d p-----------ist-----------on------------cyl-----------ind-----------er -----------dev-----------ice----------- co-----------nta-----------ins----------- 1 -----------kg -----------of -----------car-----------bon----------- di-----------oxi-----------de.----------- Th-----------is -----------sys-----------tem----------- is----------- he-----------ate-----------d f-----------rom----------- 10-----------0 k-----------Pa -----------and----------- 25-----------8C -----------to -----------100-----------0 k-----------Pa
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