A saturated mixture is heated, volume is doubled and pressure remains the same.

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Homework Statement



A saturated water mixture is heated.

P1=200kPa
m=0.5kg
V1=0.3m^3
V2=0.6m^3

find
T1
T2
Internal Energy

2. The attempt at a solution

Using the pressure tables and interpolation I found T2=120.12

stuck on T2 and internal energy.
 
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Answers and Replies

  • #2
rock.freak667
Homework Helper
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2. The attempt at a solution

Using the pressure tables and interpolation I found T2=120.12

stuck on T2 and internal energy.

Since you have the mass, for state 2, you can get the specific volume v2 by using v2=V2/m and read that off from the table.

Your table will also have values for specific internal energy, which when multiplied by mass, gives the internal energy.
 

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