Physical Chemistry Chapter 3 Carnot's Principle H tic 0 Carnot cycle, perf. gas(3. 14) TC TH-TC rev Carnot cycle ( 3.15) H H dg c qH=0 Ca arnot cycle 3.16) C H The smaller Tc is, the larger TH is, the closer e approaches 1(a complete conversion of the heat input into work output)
11 The smaller TC is, the larger TH is, the closer erev approaches 1 (a complete conversion of the heat input into work output) Physical Chemistry Chapter 3 Carnot’s Principle 0 C C H H T q T q T dq Carnot cycle, perf. gas (3.14) H H C H C rev T T T T T e 1 Carnot cycle (3.15) 0 (3.16) H H C C T q T q T dq Carnot cycle
Physical Chemistry Chapter 3 Carnot's Principle hC rev (3.15) H H An upper limit to the efficiency of real heat engines Irev rev (3.7) a reversible heat engine is an idealization of real heat engines
12 A reversible heat engine is an idealization of real heat engines. H H C H C rev T T T T T e 1 (3.15) An upper limit to the efficiency of real heat engines irrev rev e e (3.7) Physical Chemistry Chapter 3 Carnot’s Principle