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    pawel's Avatar
    pawel Posts: 12, Reputation: 1
    New Member
    		  
    #1

    Oct 16, 2007, 05:11 AM
    Heat and Thermodynamics
    Please tell me about the useful work done by a gas.And Why expansion work is not useful
    hyperspace's Avatar
    hyperspace Posts: 1, Reputation: 1
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    #2

    Oct 22, 2007, 06:00 PM
    Temperature of steam
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