A 2009 L tank contains 20 kg of R-134a at 320 KPa. The tank valve is opened until the volume is one-half its original size while keeping the pressure constant. Based on these information, Determine the total internal energy 340.41 KJ/kg O -146.65 KJ/kg O -128.85 KJ/kg O 193.76 KJ/kg

A 2009 L tank contains 20 kg of R-134a at 320 KPa. The tank valve is opened until the volume is one-half its original size while keeping the pressure constant. Based on these information, Determine the total internal energy 340.41 KJ/kg O -146.65 KJ/kg O -128.85 KJ/kg O 193.76 KJ/kg

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Concept explainers

Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substance as long as the chemical composition is the same for all phases. These substances mainly have a constant/ uniform composition. The substances also have fixed boiling and melting points. A pure substance takes part in a chemical reaction to form predictable products.

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A 2009 L tank contains 20 kg of R-134a at 320 KPa. The tank valve is opened until the volume is
one-half its original size while keeping the pressure constant. Based on these information,
Determine the total internal energy
O 340.41 KJ/kg
O -146.65 KJ/kg
O -128.85 KJ/kg
O 193.76 KJ/kg

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A 2009 L tank contains 20 kg of R-134a at 320 KPa. The tank valve is opened until the volume is one-half its original size while keeping the pressure constant. Based on these information, Determine the final temperature 2.46 °C O -3.5 °C O 5.8 °C O 10.5 °C