Lab Report " Which fuel is the better source of energy?

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Lab Report – Which fuel is the better source of energy?

Question: What happens to the temperature of the water when a different fuel is being used to heat it?

Aim: To find out which fuel is a better energy source by heating 100ml of water and recording the temperature of the water every 30 seconds.

Hypothesis: The greater the number of carbons in the fuel, the more energy will be released.

Variables:

MV – type of fuel (Methanol, Ethanol, Butanol, Pentanol)

RV – the temperature of the water

CV – amount of water (100ml), burning time (3 minutes), beaker, aluminum foil around beaker, digital scale, thermometer and stopwatch

Equipment: 

  • Safety mat
  • Tripod
  • Stop watch
  • Digital scale
  • Spirit burners (Methanol, Ethanol,

Butanol, Pentanol)

  • Small beaker
  • Big beaker
  • Aluminum foil
  • Gauze
  • Tongs
  • Thermometer
  • Matches
  • Long pieces of thin wood
  • Safety goggles

Method:

Abstract: In this experiment we will boil 100ml of water for 3 minutes and record the temperature every 30 seconds.  This will test which fuel is a better source of energy.

Procedure:

  • Firstly set up all the equipment, cover the big beaker with aluminum foil, place it onto the safety mat and put the tripod on top of it.  Fill the small beaker with 100ml of water and put the thermometer inside it.

  • Measure the weight of all the spirit burners before burning them, also way just the crucible alone and then the lid alone.

  • Place one of the spirit burners into the large beaker, light the match and then transfer the fire onto the long piece of thin wood and turn on the spirit burner.  
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  • Then place the gauze on the top of the tripod and put the small beaker with the thermometer on the gauze.

  • Allow the water to heat from the spirit burner for 3 minutes and record the temperature of the water every minute, record your results.  

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