Energy Sciences

CONTENTS OF CURRICULUM UNIT 13.05.07

  1. Unit Guide
  1. Introduction
  2. Background
  3. Implementation Strategies
  4. Content Objectives
  5. Curriculum Strategies
  6. Lesson 1: Carbon Content of Fuel Combustion
  7. Lesson 2: Ethanol Production and the Pros and Cons of Biofuels
  8. Lesson 3: Biobutanol vs. Bioethanol
  9. Appendix 1
  10. Delaware Science Standard 8
  11. Appendix 2
  12. Appendix 3
  13. Works Cited

It Don't Come Easy: The Promises and Challenges of Biofuel Production

Robert McDowell

Published September 2013

Tools for this Unit:

Appendix 3

image 13.05.07.02

image 13.05.07.03

Average Bond Energies (kJ/mole)

C-C 348

C-H 413

C-O 358

O-H 463

Fundamental Ideas:

1) Using the above table of bond energies, calculate the total energy within one mole of Ethanol and one mole of Butanol.

2) Describe the relative amounts of energy as a ratio.

3) Compare the calculated energy content of Ethanol and Butanol to that of Gasoline.

4) Explain why one of the biofuels would be a better replacement for gasoline, based on energy content per mole.

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