Ice-cream Posted May 30, 2005 Share Posted May 30, 2005 can any1 give me some help on this question: What pressure would have to be applied to steam at 300 degrees C to condense it into liquid water (delta H(vap) = 40.7 kJ/mol)? Ans. 97.6 atm I really have no idea wat to do, i can't even start it!! i don't even know which formulae would be used...any1 got any ideas? Link to comment Share on other sites More sharing options...
swansont Posted May 30, 2005 Share Posted May 30, 2005 can any1 give me some help on this question: What pressure would have to be applied to steam at 300 degrees C to condense it into liquid water (delta H(vap) = 40.7 kJ/mol)? Ans. 97.6 atm I really have no idea wat to do' date=' i can't even start it!! i don't even know which formulae would be used...any1 got any ideas?[/quote'] I'd guess that you need a formula that relates T, P and H Try this page Link to comment Share on other sites More sharing options...
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