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What volume of Hydrogen peroxide breaks down yeast?

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Introduction

What volume of Hydrogen peroxide breaks down yeast? AIM My aim of this experiment is to find out what concentration of hydrogen peroxide breaks down yeast quicker, I will achieve this by doing a practise test, then 2 sets of results and then find out an average. I predict that the higher the concentration of hydrogen peroxide the faster the break down of yeast. The higher the concentration of hydrogen peroxide the higher the rate of reaction. I know this because of the 'COLLISION THEORY'. The collision theory tells me that the higher the temperature of a substance the higher the rate of reaction you will get. The temperature in my case depends on the concentration hydrogen peroxide. ...read more.

Middle

so the higher the better for a higher rate of reaction, and the faster they go the harder they collide and they will collide more often if they are going fast. I also know that there are enzyme particles in the yeast, an enzyme looks like this: The enzyme is now at the right shape. For an enzyme to do the job right it needs to be at the right shape, and for this it needs to be at the right temperature, the right temperature is usually about 40oc. The variable I changed was the concentration of the hydrogen peroxide; the variable I measured was the gas (cm3) I collected, I measured it every 15 seconds. ...read more.

Conclusion

peroxide Add them both and divide by 2 9ml hydrogen peroxide 1ml water 9ml hydrogen peroxide 1ml water Add them both and divide by 2 8ml hydrogen peroxide 2ml water 8ml hydrogen peroxide 2ml water Add them both and divide by 2 7ml hydrogen peroxide 3ml water 7ml hydrogen peroxide 3ml water Add them both and divide by 2 6ml hydrogen peroxide 4ml water 6ml hydrogen peroxide 4ml water Add them both and divide by 2 DIAGRAM For safety I wore goggles and I consulted a teacher before and after we set up the experiment. CONCLUSION CALCULATION I calculated my averages by adding my 10 ml of hydrogen peroxide for results 1 with my hydrogen peroxide for results 2; I then divided them by 2. So I should end up with 5 different averages. PATTERN EVALUATION ...read more.

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