A liquid R-134a bottle has an internal volume of Initially

Chapter 5, Problem 178P

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A liquid R-134a bottle has an internal volume of \(0.0015 \mathrm{~m}^{3}\). Initially it contains \(0.55 \mathrm{~kg}\) of R-134a (saturated mixture) at \(26^{\circ} \mathrm{C}\). A valve is opened and \(\mathrm{R}-134 \mathrm{a}\) vapor only (no liquid) is allowed to escape slowly such that temperature remains constant until the mass of R-134a remaining is \(0.15 \mathrm{~kg}\). Find the heat transfer necessary with the surroundings to maintain the temperature and pressure of the R-134a constant.

Equation Transcription:

R-134a

26°C

Text Transcription:

R-134a

0.55 kg

26 degree celsius

0.15 kg

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