• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Checking the purity of water by boiling

Extracts from this document...

Introduction

Bunsen Burner Before boiling: Heating water readings: Boiling point: 104 Cooler water readings: Boiling point: 101 Tap water readings: Boiling point: 104 After boiling: Heating water readings: Boiling point: 102 Cooler water readings: Boiling point: 101 Tap water readings: Boiling point: 102 Therefore it is noticed that the samples of water we took are not pure but not too impure. The water obtained from the cooler (blue star) is the purest of them all with a boiling of 101°C which is very close to the boiling point of pure water which is 99.98°C. Therefore it is safe to consume this water. The other types of water are not consumed therefore it does not have an adverse effect on human lifestyle; the experiment was carried out only for comparison basis. ...read more.

Middle

water obtained from the cooler does not change because boiling it is too small a method to make it purer since it is already very pure. Different methods need to be taken up to make it purer which will include the addition of chemicals which is not too good for the humans anyway. The reason the tap water is already so pure is because the water is obtained from a tank fitted on the top of the school which uses purification methods such as a sand filter (to remove the dust particles) and UV lights to kill the germs as stated in the ESS survey. Initially we conducted the experiment on the water used to keep the food warm is because it is known that if water is impure then it takes more time to heat it up hence the energy required to heat it up is also higher. ...read more.

Conclusion

and that making the water pure would not have as significant an effect in conserving energy. Therefore the water section of the canteen does not cause any harm to the students as shown by this experiment and the survey conducted, hence it is not required to make changes in this sector. In theory if we were to apply this experiment on a large scale for the entire school, we would put large, more powerful solar panels on the roof of the building to boil the water. The experiment was conducted on a smaller scale. We managed to heat water through a solar panel. The concept thus applies when heating water on a large scale. We would use the solar panels to boil the water. This is a way of using a renewable resource, making Ecole Mondiale World School one step closer to becoming a ?Green School?. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our International Baccalaureate Chemistry section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related International Baccalaureate Chemistry essays

  1. A comparison of various proprieary antacids

    * On addition of sodium hydroxide, there was a colour change from transparent lime green to light brown. Zolicid Gel: * There was a moderate reaction between hydrochloric acid and Zolicid gel, and a cream suspension was formed. * On addition of sodium hydroxide, the phenolphthalein indicator experienced a colour change from cream to pinkish white.

  2. Percentage of Water In Popcorn

    So the longer the beaker is heated, the more gas escapes and the lower the mass will be, which will increase the percentage of water in the popcorn. Also, while the beakers were cooling off, some of the moisture could have been collected back in the beaker since the foil was not always taken off immediately.

  1. The Drop of Water

    This manner of measurement would keep the experiment more controlled. Another important change I would make would be to change my research question to ascertain the approximate volume a drop of water. In order to achieve this, one would have to test many different methods of production of a drop

  2. Dissolved Oxygen in water

    Step 1: Rinse the glass bottle 3 times with water sample and fill to overflow. Insert stopper and ensure that a small part of the sample spills over. 6. Step 2: Remove the stopper and add 5 drops each of Manganous Sulphate Solution and Alkali-Azide reagent.

  1. Investigate the effect of one factor on the boiling temperature of a liquid

    water used for the experiment Tap water for the science lab will be used for this experiment The point at which the water temperature will be recorded The temperature of the water will be recorded when the whole surface of the water is boiling and bubbling The length of time

  2. The chemistry of atmospheric and water pollution.

    Use di, tri, tetra when there is more than one atom of any halogen. Identify the longest carbon chain Number the carbon chain giving the lowest set of numbers to the halogens present Consider the compound C5H10BrCl. These are some of its isomers: Point 4.10 ? Discuss the problems associated

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work