Need help on how to figure out the problems (Steam)

In summary, the problem involves determining various values related to steam at different pressures and temperatures. The values to be determined include the boiling point at a pressure of 5MPa, the pressure at a boiling point of 195°C, the enthalpy of evaporation at a pressure of 2800kPa, and the total enthalpy required to produce 2kg of wet steam with a dryness factor of 0.7 at a pressure of 4MPa. The equations needed to solve the problem can be found using steam tables, but the specific equations to use may not be clear.
  • #1
Sl1ver
11
0

Homework Statement


Determine by using steamtables for 2kg of steam
- Boiling point if pressure is 5MPa
- pressure if the boiling point is 195°C
- enthalpy of evaporation at pressure 2800kPa
- total elathapy in MJ required to produce 2kg of wet steam with dryness factor of 0.7 at a pressure of 4MPa

What equations would I need to solve the problem?


Homework Equations



What equations would I need to solve the problem?

The Attempt at a Solution


My book isn't very descriptive and its the first time in 5 years I am doing physics, long distance learning as well.

I just need help in the right direction to solve the problem
 
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  • #2
What equations would I need to solve the problem?

Doesn't the problem ask you to use the steam tables?
Or is an answer to that question part of the problem also?
 
  • #3
Yes it does ask to use the steam tables. I am just more lost as to use which equations with the steam tables to help with my problem
 

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