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# Research questions: what determines the amount of energy given off by a Bunsen burner? Is there any correlation between the colour of the Bunsen flame and the amount of energy it supplies? How exactly is the Bunsen burner supplying energy?

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Introduction

AIM: To determine the amount of energy supplied by a Bunsen burner       per second.

Research questions: what determines the amount of energy given off by a Bunsen burner? Is there any correlation between the colour of the Bunsen flame and the amount of energy it supplies? How exactly is the Bunsen burner supplying energy?

Apparatus: 100ml of water

Beaker

Thermometer

Heat proof gauze

Stop watch

Bunsen burner

Balance

Method:

1. Using balance scale, determine the dry mass of the beaker
2. Pour 100ml of water into the beaker
3. Using balance scale, determine the mass of the beaker containing    water.

4) Determine and record initial temperature of water

5)

Middle

8) Record all data Collected.

9) Process Data collected in an appropriate manner.

10) Clean up the work area.

Literary review: The specific heat capacity of a substance, according to answers. Com is the amount of heat energy that must be added to, or removed from, a unit of mass of a given substance to change its temperature by 1°C. A Bunsen burner, according to answers.com, is a small laboratory burner consisting of a vertical metal tube connected to a gas source and producing a very hot flame from a mixture of gas and air let in through adjustable holes at the base

DATA COLLECTED.

Initial temperature of water: 20 degrees Celsius

Final temperature of water: 27 degrees Celsius

Change in temperature: 7 degrees Celsius

Specific heat Capacity of water: 4200 Joules

Conclusion

Kept a fire extinguisher nearby in case of fire.

Conclusion: The Bunsen burner provided 9800 Joules of energy to the water per second. The Bunsen burner provides this energy by means of the complete combustion of  methane gas in air (CH4 (g) + 2O2 (g)  2H2O (g) + CO2 (g) )this reaction is highly exothermic, meaning it gives off large amounts of energy in the form of heat. The heat and intensity of the Bunsen flame can be adjusted my means of adjusting the regulating sleeve( or throat holes) on its tube. When the sleeve is closed letting in less air, a smoky, luminous flame is produced, when it is opened, a hotter, cleaner, non-luminous blue flame is produced. The Bunsen burner can provide large quantities of heat.

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