Confused about Compressed Water in Constant Pressure Process?

[craglyboy]

Homework Statement

In a constant pressure process ant 1 bar determine how much heat must be added to raise the temperature of 2kg of compressed water at a temp of 50C so that it become superheated steam at a temp of 200C?

u2=2659KJ/Kg

Homework Equations

W=-P(V2-V1) Q+W=U2-U1

The Attempt at a Solution

Not really sure how to work out the volumes and struggling with how to find u1 as its compressed water.

Do i find out the volumes by attaining the specific volume and multiplying by the mass

 

[TaxOnFear]

Ever heard of steam tables?