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Chapter Menu. Energy and Chemical Change. Section 15.1EnergySection 15.2 HeatSection 15.3 Thermochemical EquationsSection 15.4 Calculating Enthalpy ChangeSection 15.5Reaction Spontaneity. Exit. Click a hyperlink or folder tab to view the corresponding slides.. Section 15-1. Section 15.1 Energy.

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    4. Section 15-1

    5. Section 15-1

    6. Section 15-1

    7. Section 15-1

    8. Section 15-1

    9. Section 15-1

    10. Section 15-1

    11. A B C D Section 15-1

    12. A B C D Section 15-1

    14. Section 15-2

    15. Section 15-2

    16. Section 15-2

    17. Section 15-2

    18. Section 15-2

    19. Section 15-2

    20. Section 15-2

    21. Section 15-2

    22. A B C D Section 15-2

    23. A B C D Section 15-2

    25. Section 15-3

    26. Section 15-3

    27. Section 15-3

    28. Section 15-3

    29. Section 15-3

    30. A B C D Section 15-3

    31. A B C D Section 15-3

    33. Section 15-4

    34. Section 15-4

    35. Section 15-4

    36. Known: S(s) + O2(g) ? SO2(g) ?H = -297 kJ 2SO3(g) ? 2SO2(g) + O2(g) ?H = 198 kJ

    37. 2H2O2(l) ? 2H2O(l) + O2(g) ?H = ? Given: 2H2(g) + O2(g) ? 2H2O ?H = -572 kJ H2(g) + O2(g) ? H2O2(l) ?H = -188 kJ

    38. A B C D Section 15-4

    40. A B C D Chapter Assessment 2

    41. A B C D Chapter Assessment 3

    42. A B C D STP 1

    43. A B C D STP 3

    44. A B C D STP 4

    45. A B C D STP 5

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