Essay on The Speed of Reaction.

Essay on The Speed of Reaction.

Length: 1058 words (3 double-spaced pages)

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Method

Step 1 – Remove blazer and put goggles on for health and safety reasons.

Step 2 – Collect the following equipment –
Thermometer – to check the temperate
Conical flask – to hold acid
1 litre breaker – contain water
Measuring cylinders x2 50ml 25ml
Blanco – to weight out the marble chips
Marble chips CaCO3 – which react with Hydrochloric acid
Stopwatch – to time when the reaction starts
Delivery tube – to pass the air
Camp stand – to hold the equipment
Boson – it heats up the water
Tripod – to hold the beaker at a certain height that has the most heat
Ice – to cool down the water of a certain temperate
Test tube holder – so you don’t burn your hand and it is safe.

Step 3 – Set up all the equipment.













A- Clamp Stand. B- Measuring tube (25ml) C- Delivery tube
D- Conical flask E- Reaction “what’s happening” F- Thermometer
G- Beaker H- Boson I- Tripod
J- Water K- 1 litre beaker

Step 4- My partner weighed the marble chips on the Balance, the amount we used was 1g.









Step 5- I poured the Hydrochloric acid into the 50ml measuring tube, the amount we used was 40ml.








Step 6- I filled the measuring tube with water and put my thumb over the top and press hard so there was no air in it.








Step 7- I filled the large beaker up with water and placed it near the clamp stand.








Step 8- I used the measuring tube and turned it over and put it in the beaker which has water in it then made sure there was no air trapped in the measuring tube.







Step 9- Make sure the delivery tube is fitted so the air that been created by the marble goes in the tube and not in the air.




...


... middle of paper ...


...eriment I could improve many things like changing the marble size, time and heat.

The marble we used in the start of the experiment was too large which mean the rate of reaction was dropped really low, to overcome this problem we made sure we had small marble so that the experiment can be relievable and have a good set it result.

Another problem where found that time keeping from the experiment we were doing, the times weren’t spot on or we didn’t stop it in time, or too early.

You can see from the table at 35 the average time did not match the time on after and before temperature the reason could be we didn’t check the temperature correctly or maybe we had large rocks that the surface are is too little or we did not read the time correctly or we didn’t stop it in time, to overcome this problem we be to double check the time and take extra care with timing.

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