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

Experiment to consider a factor that affects the rate of reaction between marble chips and hydrochloric acid.

Extracts from this document...


Tanya Hughes Experiment to consider a factor that affects the rate of reaction between marble chips and hydrochloric acid. Factor investigated I have chosen to investigate the effect of concentration of acid on the speed of the reaction Calcium Carbonate + Hydrochloric Acid v Calcium Chloride + Carbon Dioxide + Water (Calcium carbonate reacts with the hydrochloric acid to give Calcium Chloride and Hydrogen. Fizzing due to Hydrogen gas is given off.) Preliminary work I carried out a preliminary experiment using a computer simulation programme to give me an idea about what range of concentrations to use in my real experiment. I used a volume of 20cm� hydrochloric acid and a mass of 1.00 grams for the marble chips, varying the concentration of the hydrochloric acid each time. I then repeated the preliminary experiment, using the equipment myself, with a range of different concentrations and masses of marble chips, in order to ensure what range of concentrations and mass of marble chips to use. I put my results into a table, and from it I produced a graph, which enabled me to look at, to give me an idea of what concentrations were reasonable to use. ...read more.


I am doing this, as it will allow me to calculate an average of the three readings, giving me a more accurate result, and later if I need to repeat any experiments I can. An important point is that I must use the right amount of acid and the best-sized amount of marbles. I also need to be accurate when measuring out concentrations especially when measuring out 1.5 and 2.5 as to achieve them concentrations I need to add two concentrations together, making sure I add the exact same amount of each. Plan When doing my experiments I will use the same procedure throughout. I will set out my equipment as shown in the Apparatus section. Throughout the experiment I will be ready with the stopwatch, so that I start and stop it immediately as it is necessary to get accurate readings. Once I have set up the apparatus I will measure out 30 cm� of acid in a measuring cylinder and then pour it into the conical flask. I will then accurately weigh out 3 grams of Calcium Carbonate chips using a top pan balance. I will then quickly place the chips into the acid, insert the bung in the top of the boiling tube and start the stopwatch. ...read more.


* The gas syringe may have got slightly stuck, when Carbon Dioxide (CO ) gas was being produced. - I could have overcome this problem by twisting the gas syringe back and forth before each experiment in hope that the syringe would not get stuck during the experiment, which would affect my results. I think that the procedure I used for my experiment worked quite well. There are no major ways I think I could have improved my experiment as I did not get any major anomolous results, however, if I were to repeat the experiment, I could take more time and care to eliminate sources of error, in order to help me achieve better results. I think that I received enough data to be sure about my conclusion, and also I think that the range of concentrations I finally decided to use in my final experiment were a good range of concentrations. This is because, the results I achieved, produced a reasonably good shaped graph. I do not think that I need to take more readings in between those I have already taken, but if I were to repeat the experiment again, I would use concentrations in between those already used to give me a more accurate outcome. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our GCSE Patterns of Behaviour 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 GCSE Patterns of Behaviour essays

  1. Marked by a teacher

    Marble Chips and Hydrochloric Acid.

    4 star(s)

    However, we are only able to say that our investigation was accurate over the small range of acid concentrations that we tested. Our results show that the speed of the reaction will increase when a higher concentration of hydrochloric acid is used.

  2. Marked by a teacher

    The Effect of Concentration on the Rate of Reaction between Hydrochloric Acid and Calcium ...

    3 star(s)

    are in a higher level of acidic concentration, the more reactions will take place and faster the products are produced. Diagrams to show the particles reacting in a high concentration level and a low concentration level of hydrochloric acid (This diagram shows the highest rate of concentration has a faster rate of reaction).

  1. Chemistry Cwk Rates of reaction: Investigating One Factor Which Affects How Fast Calcium Carbonate ...

    5.5 7 3 5 10 5 7 6 7 11 9 10 6 8 15 7 11 9 11 14 12.5 13 8 10.5 20 11 15 13 15 18 16.5 16 11 13.5 25 16 20 18 20 23 21.5 20 14 17 30 21 24 22.5 25 27

  2. How the temperature affects rate of reaction between marble chips and hydrochloric acid?

    Pour HCL into conical flask carefully, making sure that none is spilt * Simultaneously start the stopwatch when rubber bung has been successfully fitted onto conical flask * Record time taken to collect 30ml�of CO2 * Record results into table * Repeat this method 3* for each temperature (20-60 degrees)

  1. An Experiment To Investigate The Rate Of Reaction Between Marble Chips And Hydrochloric Acid.

    be 20ml and the temperature of the reaction will be kept at room temperature. Also, no catalysts will be used. Because the concentration of acid will be changed, it is likely that the time in which 20cm3 of carbon dioxide will also change, as is proved by the preliminary experiment.

  2. How does varying the concentration of Hydrochloric acid in reaction with Marble chips affect ...

    Hydrochloric acid (aq?) has been set up in order to be ready, so that when the water is heated no time is wasted by jarring liquids and then having to further delay the experiment by adjusting the temperature of the water.

  1. Investigate the effect of changing the concentration of hydrochloric acid and the volume of ...

    I then attached the rubber tubing to each of the capillary tubes and attached the short capillary tube to both ends of rubber tubing. The short capillary tube acted as a connecter between the two lengths of rubber tubing. After setting up the bung I then put the size 45

  2. Investigating how the concentration of acid affects the rate of reaction between hydrochloric acid ...

    0.5 molar 1 molar 1.5 molar 2.0 molar 2.5 molar 0 133.21 125.62 134.08 138.73 82.33 30 13.21 125.6 134.04 138.69 82.26 60 133.21 125.57 133.98 138.64 82.17 90 133.20 125.53 133.93 138.58 82.07 120 133.19 125.50 133.87 138.58 82.07 150 133.18 125.46 133.84 138.48 81.98 180 133.17 125.44 133.79

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