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Transcript

Experiment 1

BACKGROUND

This experiment was designed to test the amount of time each alcohol would last.

Most important things to consider:

  • Atomic Mass:
  • H=1.01
  • C=12.01
  • O=16.00

How many Joules of heat are required to raise the temperature of 365 g of water from 68.0 degrees Celsius to 90.0 degrees Celsius, given the specific heat of water is 4.18 Joules per gram, degree Celsius?

Heat Capacity/Specific Heat:

  • q=(specific heat) x (mass) x (Change in temp.)

Hydroxyl Group (-OH)

Specific Heat Capacity

Methanol: 136.99

Ethanol: 217.39

Propanol: 282.35

Isopropanol: 311.69

Experiment 2

This experiment was designed to test the amount of heat given off by an alcohol over a period of time.

EQ: How does the molecular structure affect the amount of heat an alcohol produces and the burn duration?

~Richard Duque

THESIS:

The results would be that the alcohol with the largest atomic mass will burn for a longer period of time and the alcohol with the smallest heat capacity would exert more heat.

COMBUSTION OF ALCOHOLS

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