Termodinamica Act 5.docx

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Santiago Landeros Bautista U162058M0083 IngenierΓ­a Industrial TermodinΓ‘mica Actividad 5 19 de marzo de 2019

FORMULA βˆ†π‘‰ = (𝑉𝑓 βˆ’ 𝑉𝑖 )

π‘Š = βˆ’628215 𝐽

𝑝 = 1 π‘Žπ‘‘π‘š

𝑄 = 1250 π‘˜π‘π‘Žπ‘™ = 5230000 𝐽

𝑉𝑓 = 18.2π‘š3 = 12000 𝑙𝑑𝑠

βˆ†π‘ˆ = 𝑄 + π‘Š

𝑉𝑖 = 12π‘š3 = 18200 𝑙𝑑𝑠 βˆ†π‘‰ = (18200 βˆ’ 12000)𝑙𝑑𝑠 βˆ†π‘‰ = (6200)𝑙𝑑𝑠 π‘Š = βˆ’π‘(βˆ†π‘‰) π‘Š = βˆ’1π‘Žπ‘‘π‘š(6200)𝑙𝑑𝑠 π‘Š = βˆ’6200 π‘Žπ‘‘π‘š 𝑙𝑑𝑠 101.325 𝑗 π‘Š = βˆ’6200 π‘Žπ‘‘π‘š 𝑙𝑑( ) 1𝑙𝑑 π‘Žπ‘‘π‘š π‘Š = βˆ’628215 𝐽

βˆ†π‘ˆ = 5230000 + ΰ΅«βˆ’628215 𝐽࡯ = 4601785 𝐽

𝑉

π‘Š = βˆ’π‘…π‘›π‘‡(𝑉2) 1

π‘Š = βˆ’ ࡬8.31

𝐽 7π‘š3 βˆ— 𝐾ࡰ (2.60 π‘šπ‘œπ‘™)(290𝐾)𝐼𝑛 ቆ ቇ = βˆ’4343.08 𝐽 π‘šπ‘œπ‘™ 3.5π‘š3

βˆ†π‘ˆ = 0 βˆ†π‘ˆ = 𝑄 + π‘Š 𝑄 = βˆ’π‘Š = βˆ’ΰ΅«βˆ’4343.08 𝐽࡯ = 4343.08 𝐽

π‘π‘œ 𝑖𝑛𝑓𝑙𝑒𝑦𝑒 π‘’π‘›π‘’π‘Ÿπ‘”π‘–π‘Ž π‘π‘œπ‘šπ‘œ π‘π‘Žπ‘™π‘œπ‘Ÿ, π‘‘π‘Žπ‘‘π‘œ π‘žπ‘’π‘’ 𝑒𝑠 𝑒𝑛 π‘π‘Ÿπ‘œπ‘π‘’π‘ π‘œ π‘Žπ‘‘π‘–π‘Žπ‘π‘Žπ‘‘π‘–π‘π‘œ 𝑄 = 0 𝑑𝑒 = π‘Š + 𝑄 𝑄=0 𝑑𝑒 = π‘Š 𝑑𝑒 = 1850 𝐽 𝐸𝑠𝑒 𝑒𝑠 𝑒𝑙 π‘π‘Žπ‘šπ‘π‘–π‘œ 𝑑𝑒 π‘’π‘›π‘’π‘Ÿπ‘”π‘–π‘Ž π‘™π‘–π‘π‘Ÿπ‘’, 𝑒𝑛 π‘’π‘›π‘Ž π‘π‘œπ‘šπ‘π‘Ÿπ‘’π‘ π‘–π‘œπ‘› π‘Žπ‘‘π‘–π‘Žπ‘π‘Žπ‘‘π‘–π‘π‘Ž π‘™π‘Ž π‘‘π‘’π‘šπ‘π‘’π‘Ÿπ‘Žπ‘‘π‘’π‘Ÿπ‘Ž π‘ π‘’π‘’π‘šπ‘π‘Ÿπ‘’ 𝑠𝑒𝑏𝑒

π‘ƒπ‘ž = 1 π‘Žπ‘‘π‘š = 102325 π‘ƒπ‘Ž 𝑉𝑄 = 3.5 𝐿𝑑 = 0.0035 π‘š3 𝑉𝑏 = 1.8 𝐿𝑑 = 0.0018π‘š3 π‘Š = π‘ƒπ‘Ž. π‘‰π‘Ž. 𝑙𝑛

𝑉𝑏 π‘‰π‘Ž

π‘Š = 101325π‘ƒπ‘Ž(0.0035π‘š3 )𝑙𝑛

0.0018π‘š3 0.0035π‘š3

π‘Š = 354.6375(βˆ’0.6649) = βˆ’235.82 𝐽

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