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Enthalpy change definitions past paper questions

Chemistry 9701 · Chemical energetics. Exothermic and endothermic, reaction pathway diagrams and standard enthalpy changes

In Cambridge A Level Chemistry 9701, Enthalpy change definitions came up in 77 of the 139 papers on Paperstreak, for about 2 marks a paper when it does. It last came up in October/November 2025.

Often set with Hess’s law, Formulas, Structure and properties, Calorimetry.

98 questions, newest first

  1. 9701/12/O/N/25 Question 15 · 1 mark
  2. 9701/11/M/J/25 Question 5 · 1 mark
  3. 9701/11/M/J/25 Question 33 · 1 mark
  4. 9701/12/M/J/25 Question 13 · 1 mark
  5. 9701/13/M/J/25 Question 6 · 1 mark
  6. 9701/13/M/J/25 Question 12 · 1 mark
  7. 9701/11/O/N/24 Question 10 · 1 mark
  8. 9701/12/O/N/24 Question 9 · 1 mark
  9. 9701/13/O/N/24 Question 10 · 1 mark
  10. 9701/11/M/J/24 Question 10 · 1 mark
  11. 9701/12/M/J/24 Question 10 · 1 mark
  12. 9701/13/M/J/24 Question 10 · 1 mark
  13. 9701/21/M/J/24 Question 4 parts (a) (b(i)) · 4 marks
  14. 9701/22/M/J/24 Question 2 part (a) · 2 marks
  15. 9701/23/M/J/24 Question 3 parts (a) (b) · 4 marks
  16. 9701/12/F/M/24 Question 10 · 1 mark
  17. 9701/22/F/M/24 Question 3 part (c(i)) · 2 marks
  18. 9701/11/O/N/23 Question 9 · 1 mark
  19. 9701/11/O/N/23 Question 10 · 1 mark
  20. 9701/13/O/N/23 Question 9 · 1 mark
  21. 9701/13/O/N/23 Question 10 · 1 mark
  22. 9701/13/O/N/23 Question 15 · 1 mark
  23. 9701/21/O/N/23 Question 1 part (e(i)) · 2 marks
  24. 9701/22/O/N/23 Question 3 part (b(i)) · 2 marks
  25. 9701/23/O/N/23 Question 1 part (e(i)) · 2 marks
  26. 9701/13/M/J/23 Question 10 · 1 mark
  27. 9701/13/M/J/23 Question 19 · 1 mark
  28. 9701/21/M/J/23 Question 2 parts (a) (c(ii)) · 3 marks
  29. 9701/23/M/J/23 Question 3 parts (a) (c(ii)) · 3 marks
  30. 9701/12/F/M/23 Question 10 · 1 mark
  31. 9701/22/F/M/23 Question 3 part (d(iii)) · 2 marks
  32. 9701/12/O/N/22 Question 9 · 1 mark
  33. 9701/12/O/N/22 Question 10 · 1 mark
  34. 9701/11/M/J/22 Question 10 · 1 mark
  35. 9701/12/M/J/22 Question 9 · 1 mark
  36. 9701/21/M/J/22 Question 1 part (f(ii)) · 3 marks
  37. 9701/22/M/J/22 Question 1 part (b(iii)) · 2 marks
  38. 9701/12/F/M/22 Question 9 · 1 mark
  39. 9701/12/O/N/21 Question 9 · 1 mark
  40. 9701/21/O/N/21 Question 1 part (b(i)) · 2 marks
  41. 9701/21/O/N/21 Question 3 part (a(ii)) · 1 mark
  42. 9701/22/O/N/21 Question 1 part (b) · 2 marks
  43. 9701/23/O/N/21 Question 1 part (b(i)) · 2 marks
  44. 9701/23/O/N/21 Question 3 part (a(ii)) · 1 mark
  45. 9701/11/M/J/21 Question 32 · 1 mark
  46. 9701/22/F/M/21 Question 1 part (c(i)) · 2 marks
  47. 9701/11/O/N/20 Question 6 · 1 mark
  48. 9701/11/O/N/20 Question 32 · 1 mark
  49. 9701/13/O/N/20 Question 6 · 1 mark
  50. 9701/13/O/N/20 Question 32 · 1 mark
  51. 9701/11/M/J/20 Question 5 · 1 mark
  52. 9701/11/M/J/20 Question 34 · 1 mark
  53. 9701/12/M/J/20 Question 32 · 1 mark
  54. 9701/21/M/J/20 Question 3 part (a) · 2 marks
  55. 9701/22/M/J/20 Question 3 parts (c(iii)) (d(i)) · 4 marks
  56. 9701/23/M/J/20 Question 3 part (c(i)) · 2 marks
  57. 9701/12/F/M/20 Question 33 · 1 mark
  58. 9701/22/F/M/20 Question 1 part (g(ii)) · 2 marks
  59. 9701/11/O/N/19 Question 8 · 1 mark
  60. 9701/12/O/N/19 Question 6 · 1 mark
  61. 9701/12/O/N/19 Question 34 · 1 mark
  62. 9701/13/O/N/19 Question 8 · 1 mark
  63. 9701/21/O/N/19 Question 3 part (b(ii)) · 2 marks
  64. 9701/23/O/N/19 Question 3 part (b(ii)) · 2 marks
  65. 9701/11/M/J/19 Question 18 · 1 mark
  66. 9701/11/M/J/19 Question 33 · 1 mark
  67. 9701/12/M/J/19 Question 8 · 1 mark
  68. 9701/13/M/J/19 Question 6 · 1 mark
  69. 9701/13/M/J/19 Question 33 · 1 mark
  70. 9701/12/F/M/19 Question 9 · 1 mark
  71. 9701/22/F/M/19 Question 2 part (c(iii)) · 2 marks
  72. 9701/11/O/N/18 Question 33 · 1 mark
  73. 9701/12/O/N/18 Question 1 · 1 mark
  74. 9701/13/O/N/18 Question 33 · 1 mark
  75. 9701/22/O/N/18 Question 2 part (b(ii)) · 2 marks
  76. 9701/12/M/J/18 Question 7 · 1 mark
  77. 9701/12/M/J/18 Question 33 · 1 mark
  78. 9701/13/M/J/18 Question 34 · 1 mark
  79. 9701/21/M/J/18 Question 1 part (c) · 3 marks
  80. 9701/12/F/M/18 Question 8 · 1 mark
  81. 9701/11/M/J/17 Question 7 · 1 mark
  82. 9701/11/M/J/17 Question 33 · 1 mark
  83. 9701/12/M/J/17 Question 7 · 1 mark
  84. 9701/12/M/J/17 Question 33 · 1 mark
  85. 9701/21/M/J/17 Question 2 part (c(iii)) · 2 marks
  86. 9701/23/M/J/17 Question 3 part (a(i)) · 2 marks
  87. 9701/11/O/N/16 Question 15 · 1 mark
  88. 9701/11/O/N/16 Question 33 · 1 mark
  89. 9701/12/O/N/16 Question 2 · 1 mark
  90. 9701/13/O/N/16 Question 15 · 1 mark
  91. 9701/13/O/N/16 Question 33 · 1 mark
  92. 9701/21/O/N/16 Question 2 part (a(i)) · 3 marks
  93. 9701/22/O/N/16 Question 2 part (a) · 2 marks
  94. 9701/23/O/N/16 Question 2 part (a(i)) · 3 marks
  95. 9701/13/M/J/16 Question 1 · 1 mark
  96. 9701/13/M/J/16 Question 25 · 1 mark
  97. 9701/21/M/J/16 Question 3 part (b(i)) · 2 marks
  98. 9701/12/F/M/16 Question 5 · 1 mark

More in Chemical energetics: Bond energies, Calorimetry, Hess’s law.

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