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i'm trying to figure out how much water i need to heat and to what temperature, to end up with 1 cubic meter of steam at 70atm.

i used the calculator found here:

http://www.efunda.com/materials/water/steamtable_sat.cfm

i punched in 70atm, and got the following data:

Temperature (T) 286.72 C

Saturated Vapor (g) 37.067 kg/m3

is it correct that i need to get 37.067 liters of water to 286.72 celsius to get 1 cubic meter of steam at 70atm?

eventually, i'm trying to find how much energy is needed for this process, but i'm guessing that's more of an engineering question.

i just want to get the quantities right first.

thanks in advance to anyone taking the time to help me with this!

:-)