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Category > Applied Sciences Posted 15 May 2017 My Price 8.00

A fuel gas consisting of 94 mole% methane and 6 mole% nitrogen

A fuel gas consisting of 94 mole% methane and 6 mole% nitrogen is burned with 30%excess air in a continuous water heater. Both fuel gas and air enter dry at 298.15K(25oC). Water is heated at a rate of 34.0 kg/s from 298.15 K(25°C) to 368.15K(95°C). The flue gases leave the heater at 483.15K (210°C). Of the enteringmethane, 70% burns to carbon dioxide and 30% burns to carbon monoxide. Whatvolumetric flow rate of fuel gas is required if there are no heat losses to thesurroundings?

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Alpha Geek
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Status NEW Posted 15 May 2017 04:05 PM My Price 8.00

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file 1494865773-Answer.docx preview (456 words )
A----------- fu-----------el -----------gas----------- co-----------nsi-----------sti-----------ng -----------of -----------94 -----------mol-----------e% -----------met-----------han-----------e a-----------nd -----------6 m-----------ole-----------% n-----------itr-----------oge-----------n i-----------s b-----------urn-----------ed -----------wit-----------h 3-----------0%e-----------xce-----------ss -----------air----------- in----------- a -----------con-----------tin-----------uou-----------s w-----------ate-----------r h-----------eat-----------er.----------- Bo-----------th -----------fue-----------l g-----------as -----------and----------- ai-----------r e-----------nte-----------r d-----------ry -----------at -----------298-----------.15-----------K(2-----------5oC-----------). -----------Wat-----------er -----------is -----------hea-----------ted----------- at----------- a -----------rat-----------e o-----------f 3-----------4.0----------- kg-----------/s -----------fro-----------m 2-----------98.-----------15 -----------K(2-----------5°-----------C) -----------to -----------368-----------.15-----------K(9-----------5°-----------C).----------- Th-----------e f-----------lue----------- ga-----------ses----------- le-----------ave----------- th-----------e h-----------eat-----------er -----------at -----------483-----------.15-----------K (-----------210-----------°C-----------). -----------Of -----------the----------- en-----------ter-----------ing-----------met-----------han-----------e, -----------70%----------- bu-----------rns----------- to----------- ca-----------rbo-----------n d-----------iox-----------ide----------- an-----------d 3-----------0% -----------bur-----------ns -----------to -----------car-----------bon----------- mo-----------nox-----------ide-----------. W-----------hat-----------vol-----------ume-----------tri-----------c f-----------low----------- ra-----------te -----------of -----------fue-----------l g-----------as -----------is
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