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Biofuels: Investigating Ethanol Production and Combustion Kit

Biofuels: Investigating Ethanol Production and Combustion Kit
Biofuels: Investigating Ethanol Production and Combustion
Developed by SEPUP

SCIENTIFIC CONCEPTS / PROCESSES
  • Chemical reactions that release energy, such as the burning of fuels, occur all around us.
  • Students conduct scientific investigations, use mathematics to improve investigations, and formula models using evidence.
  • Human resource consumption places stress on the natural processes that renew some resources and depletes those resources that cannot be renewed.
  • Decisions about new research and technology, such as those related to energy issues, involve assessment of alternatives, risks, costs, and benefits. Students should understand the costs and trade-offs of various decisions.

This activity includes three major parts.

  • Investigation One is a demonstration of the fermentation of corn and cane sugar, the two food sources used most commonly to produce ethanol, and the distillation of the fermented stillage to produce fuel.
     
  • Investigation Two - students investigate the energy released by the combustion of ethanol and kerosene and compares the results.
     
  • Investigation Three - students measure and compare two by-products~CO2 and particulate matter - of the two fuels. Students compare results and discuss the trade-offs of biofuels and fossil fuels as sources of energy.

This LAB-AIDSĀ® kit is designed for use with six groups of four, or at most five, students.

Contents List

  • 1 Teachers Manual with MSDS
  • 28 Student Worksheets and Guides
  • 12 30-mL graduated cups
  • 6 glass fuel burners
  • 6 pieces of aluminum foil
  • 6 180-ml plastic bottles with caps
  • 6 15-mL dropper bottles with bromothymol blue solution (BTB)
  • 6 15-mL dropper bottles of 0.05 M sodium hydroxide (NaOH)
  • 3 45-cm pieces of clear plastic tubing
  • 2 LAB-AIDS Condensers
  • 2 1-holed #3 rubber stoppers (for condensers)
  • 2 2-holed #7 rubber stoppers (for flasks)
  • 2 plastic funnels
  • 1 50-mL graduated cylinder with base
  • 1 240-mL bottle of ethanol
  • 1 240-mL bottle of kerosene
  • 1 Transparency 1: Energy Results for Ethanol and Kerosene
  • 1 Transparency 2: Combustion Equations
  • 1 Transparency 3: Hydrocarbon Combustion
Catalog # LA39S
Shipping Weight 6.00 lbs
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