1. Work done = press x vol change

2. Work done(J) = 200,000 Pa x 100 x10 -6 m 3 =

3. Work done = press x vol change Work done(J) = 200,000 Pa x 100 x10 -6 m 3 = 20 J

4. Work done = press x vol change Work done(J) = 200,000 Pa x 100 x10 -6 m 3 = 20 J 100,000 x 250 x10 - 6

5. Work done = press x vol change Work done(J) = 200,000 Pa x 100 x10 -6 m 3 = 20 J 100,000 x 250 x10 - 6 = 25 J

6. Work done = press x vol change Work done(J) = 200,000 Pa x 100 x10 -6 m 3 = 20 J 100,000 x 250 x10 - 6 = 25 J

7. Work done = press x vol change Work done(J) = 200,000 Pa x 100 x10 -6 m 3 = 20 J 100,000 x 250 x10 - 6 = 25 J 100,000 x 250 x10 - 6 2

8. Work done = press x vol change Work done(J) = 200,000 Pa x 100 x10 -6 m 3 = 20 J 100,000 x 250 x10 - 6 = 25 J 100,000 x 250 x10 - 6 2 = 12.5 J

9. Work done = press x vol change Work done(J) = 200,000 Pa x 100 x10 -6 m 3 = 20 J Work done(J) = area under graph = 37.5 J 100,000 x 250 x10 - 6 = 25 J 100,000 x 250 x10 - 6 2 = 12.5 J

11. D to A Work done on the gas (compression)

12. Work done = press x vol change D to A Work done on the gas (compression)

13. Work done = press x vol change B to C Work done by the gas (expansion)

14. Work done = press x vol change B to C Work done by the gas (expansion)

15. Cold isotherm Hot isotherm volume Pressure

16. Cold isotherm Hot isotherm volume Pressure

17. Cold isotherm Hot isotherm volume Pressure

18. Cold isotherm Hot isotherm volume Pressure

19. Cold isotherm Hot isotherm volume Pressure

20. Cold isotherm Hot isotherm Work done during the cycle = the enclosed area volume Pressure

21. The Carnot cycle - only has isothermal and adiabtic changes Which curves are isothermal and adiabatic? volume Pressure Heat energy can enter or leave the gas

22. The Carnot cycle - only has isothermal and adiabtic changes Which curves are isothermal and adiabatic? volume Pressure Heat energy can enter or leave the gas Heat energy can not enter or leave the gas Work done in expanding comes from the gas’ internal KE so it cools

23. The Carnot cycle - only has isothermal and adiabtic changes Which curves are isothermal and adiabatic? Which curves are expansion – work done by gas ? volume Pressure

24. The Carnot cycle - only has isothermal and adiabtic changes Which curves are isothermal and adiabatic? Which curves are expansion – work done by gas ? Which curves are contraction – work done on the gas ? volume Pressure

25. The Carnot cycle - only has isothermal and adiabtic changes volume Pressure

26. The Carnot cycle - only has isothermal and adiabtic changes volume Pressure

27. The Carnot cycle - only has isothermal and adiabtic changes volume Pressure

28. The Carnot cycle - only has isothermal and adiabtic changes volume Pressure

29. The Carnot cycle - only has isothermal and adiabtic changes volume Pressure

30. The Carnot cycle - only has isothermal and adiabtic changes volume Pressure Work done during the cycle = the enclosed area