Sodium thiosulphate and hydrochloric acid coursework

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Sodium Thiosulphate And Hydrochloric Acid

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Sodium Thiosulphate + Hydrochloric Acid Coursework

Go to first unread. Skip to page:. Aclarke55 Badges: 3. Report Thread starter 3 years ago 1. I don't think it is. Do you?

Not what you're looking for? Stiff Little Fingers Volunteer Team. Badges: Report 3 years ago 2. Increasing the acid concentration increases the rate, so yes it is.

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When you measure the reaction, you're measuring the rate of precipitate formation, and that precipitate is elemental sulfur S 8 - which is formed by the intermediate HS 2 O 3 - - so what would be the equation for the formation of that in the thiosulfate-acid mixture? Pigster Badges: Report 3 years ago 3.

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Report 3 years ago 4. Original post by Stiff Little Fingers Increasing the acid concentration increases the rate, so yes it is. Report 3 years ago 5. Original post by Pigster Not like I like arguing with people with more qualifications than I do, but no it isn't. Quick Reply. Submit reply. Attached files. Write a reply Back to top. Related discussions. Related articles. Related university courses.

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Poll Join the discussion. Yes I know where I'm applying. No I haven't decided yet. Yes but I might change my mind. After the beaker is heated I will use a folded up paper and wrap it around the beaker and hold it tightly at the end to make sure I don't find it too hot and let go of it. Detailed method: The temperatures I am going to use are 15, 30, 45, 60, and 75 degrees Celsius. I will use this range because it seems like a good temperature to use and I will get a wide variation of results. I have started with 15 degrees because that is quite a low temperature so I can see the difference of results.

I will need to get an average of a few results of the same temperature, to get meaningful results. I am going to use 50ml of Hydrochloric acid, 20ml of Sodium Thiosulphate and 0ml of water. I will make accurate measurements.

The reaction between sodium thiosulphate and HCL

I will do this by using a pipette or a burette To measure 50ml of Sodium Thiosulphate I will use a burette to measure this and 20ml of Hydrochloric acid I will use a pipette to measure it, to measure 5ml of distilled water I will use a ml measuring cylinder. Fair Test - In order for my findings to be official the experiment must be a fair one.

I will use the same standard each time for judging when the X has This website uses cookies to ensure you have the best experience. Got it! Learn more. Therefore I predict that the graph will be curved Aim: - My aim is to see the effects of a change in temperature on the rate of a reaction.

Subsequently at the end of the experiment our results will be more reliable Basic Method: I will first place out all the apparatus I need. Read more. GCSE Science Coursework - Investigating the factors that affect the reaction between sodiumthiosulphate and hydrochloric acid words - 2 pages Investigating the factors that affect the reaction between sodiumthiosulphate and hydrochloric acidAim:To investigate the differences in rate of reaction between sodiumthiosulphate and hydrochloric acid as the concentration of sodiumthiosulphate is either raised or lowered while keeping the total volume of the sodiumthiosulphate solution at 50cm.

The chemical reaction for this experiment is:Method:I start with 5cm of hydrochloric acid to which I. In order to measure the rate of the reaction, the conventional method would be to measure the species in question at certain times. However, this would be inconvenient, especially for a three hour laboratory period. Since the iodide ion can be oxidized by the persulphate ion, we can use sodium thiosulphate to be an. Therefore, this experimental study is designed to determine the effects of varying heart rates upon CRT within a young, physically active male population.

Purpose The aim of this experiment is to investigate the effect heart rate has on reaction time. The information that is obtained will be of interest to athletes. The experiments I chose to conduct are: 1 Heat an ordinary pop can on a hot plate and then putting the can upside down in cold water to see the effect of a fast change in temperature. The aim of this study was to investigate the rate of reaction of succinate dehydrogenase, an enzyme extracted from chicken hearts.