Problem 32P

A 9-m3 container is filled with 300 kg of R-134a at 10°C. What is the specific enthalpy of the R-134a in the container?

ChemistryofSolutions CourseNumber:202-NYB-05 Lectureno.2 Date:Tuesday,August30,2016 Professor:NadiaSchoonhoven TopicsCovered:solutioncomposition,reviewofintermolecularforces, energiesofsolutionformation,effectsoftemperatureandpressureon solubility. SolutionComposition--Continued • It’simportanttonotethatmasspercent,molarity,molality,andthemole fractionarevaluesthatarenotdependentontemperature;achangein temperaturewillnotalterthemassofasolution. • Achangeintemperaturewill,however,changeasolution’svolume. Therefore,molarityistemperaturedependent. • Remember: Molarity=M=molesofsolute/litersofsolution Masspercent=(massofsolute/massofsolution)×100 Mole