Solve the problem 2. A closed rigid container contains 3 kg of water, initially a two-phase mixture at 120°C.Heat transfer occurs until the tank only has saturated vapor with v = 0.5 m³/kg.a. What is the final temperature and pressure?b.How much heat was added to the water?c. Sketch the process on the P V diagram.PV

Answered: Heat transfer occurs until the tank…

Applications and Investigations in Earth Science (9th Edition)

9th Edition

ISBN:9780134746241

Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Chapter1: The Study Of Minerals

Section: Chapter Questions

Problem 1LR

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Question

Solve the problem

2. A closed rigid container contains 3 kg of water, initially a two-phase mixture at 120°C.
Heat transfer occurs until the tank only has saturated vapor with v = 0.5 m³/kg.
a. What is the final temperature and pressure?
b.
How much heat was added to the water?
c. Sketch the process on the P V diagram.
P
V

Expert Solution

Step 1: Solution of a

a) To find the final temperature and pressure, we need to use the properties of saturated vapor at state 2. We can do this by using the steam tables or thermodynamic software. From the given condition, we know that the specific volume of the saturated vapor is V= 0.5m³/Kg.

Using the steam tables, we can find the properties of saturated vapor at 0.5 m^3/kg. From the tables, we find that at this specific volume, the temperature is T=134.96°C and the pressure is P= 588.61kPa.