its sign (which we identify as negative as a result of the discussion in §18-8). The total (ornet) heat transfer is Qnet= [(–40) + (–130) + (+400)] J = 230 J. By the First Law of Thermodynamics (or, equivalently, conservation of energy), we have ()netnet230J080Jaccbba
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.