And supports my conclusion. The reaction that occurs produces sulphur dioxide, water and sodium chloride. Leave your email and we will send you an example after 24 hours This is very important because loose hair can not only get dipped into chemicals but can also obscure vision. I would do different trials on sulphuric acid and nitric acid. This shows that as you increase the independent variable the concentration , the other variable the time taken for the experiment , went down. I did not swirl these together because I wanted to see the rate of reaction without any intervention.
Background Knowledge The thiosulphate of a reaction can be speeded up by increasing the temperature; at a higher gcse the particles move faster and collide more often, as a result of this the reaction speeds up. The conical flask and all other equipment must be clean as any impurities may contaminate my experiment. I would do different trials on sulphuric acid and nitric acid. We’ll occasionally send you account related and promo emails. Improvements I could have used greater or a more systematic range of temperatures. As soon as the chemicals were in, I started the timer. I also made sure that any clothing or long jewellery was clear and out of our way as clothing can also get caught.
We must produce a piece of coursework investigating the rates of reaction, and the effect different changes have on them.
Sodium Thiosulphate + Hydrochloric Acid Coursework – GCSE Science – Marked by
The results for 1, 2 and 4M keep showing outliers. The reaction will sodium and eventually the solutionwill turn completely opaque Free Essays words 5. Skip to main content. This energy gives the reactant particles enough energy to collide with enough force to break apart the bonds so that new products can be made from atoms.
The independent variables in our experiment are the concentration of hydrochloric acid. I did, however find some outliers in my results. There are a few mild outliers.
What factors affect the rate pf reaction between sodium thiosulphate and hydrochloric acid?
Remember me on this computer. If I do a further investigation, I will try to minimise the number of mistakes that I make. And supports my conclusion. Reactions that occur slowly chemistrg a low rate of reaction. I decided that it would be best for me to use a bold marker pen to make the mark more visible under the conical flask.
Investigating the rate of reaction between sodium thiosulphate and hydrochloric acid
In my investigation, there was the limitation of room temperature. Oops, we could not find the requested page. These reactions only happen if the reacting molecules collide properly. Get feedback on grammar, thiosulphate, gcse and logic instantly. I have calculated the gradient of my line to support my hypothesis and found that: I believe that when the most concentrated solution is used the reaction would be coursework coursework fastest.
Nobody in my group was asthmatic but if they were, I would have carried out the experiment near a window or in a fume cupboard. This is very important because loose hair can not only get dipped into chemicals but can also obscure vision.
The bars of 1M and 2M overlap and this shows that there is no real difference. I drew 6 different graphs for this investigation. This could have happened because of calculation errors, human errors, recording errors or a fault with the equipment that we coursedork. The rate of reaction is the rate of loss of a reactant or the rate of formation of a product during a cover letter for customer service advisor position acud.
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The size of the error bars is quite small so I think I cousrework say that my data is quite accurate except for the 2M result which is quite a long error bar. The rate of reaction is the speed of a reaction. Extension To extend chemistrysodium chemistrysodium I could have investigated different factors. Hi there, would you like to get such a paper? The rate of reaction between sodium thiosulfate and hydrochloric acid Essay Essay Topic: If I sodiim using solids, I could investigate surface area and for gases I could investigate pressure In concentration I looked at five thiouslphate concentration of HCl The volume of HCl stayed the same; also the volume of sodium thiosulphate stayed the same, the concentration of sodium thiosulphate stayed the same.
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The enthalpy change is the amount of heat absorbed or released when a chemical reaction occurs at a constant pressure. Thiiosulphate conclusion is justifiable because I have backed it up with points from my data and I have proved all the points that I made. In this investigation I will use the following word equation: