Hydrochloric Acid And Medium Size Marble Chips example essay topic
298 words
Aim The aim of my investigation is to find out how the rate of the reaction between diloute hydrochloric acid and marble chips will be affected by chngeing things, for example more surface area expose to the dilouted hydrochloric acid. And to report about the findings I made. Investigation Planning Method First of all I will need to get out the following pieces of equipment, a gas syringe, a chronicle flask, a burette, a clamp, a 10 cm cubed measuring cylinder, a set of scales, a beaker, a stop watch, dilute hydrochloric acid and medium size marble chips, we will also need a buns on burner a tripod when I am heating up the diloute hydrochloric acid. The experiment will be set up as show below in the diagram (for most of the experiments). I will weigh out exactly or as close as possible to 1.5 grams of medium sized marble chips. Using a burette I will measure out exactly 25 cm cubed of dilouted hydrochloric acid in a 10 cm cubed measuring cylinder.
I will put the chips into the flask with the acid and immediately place the gas syringe bung over making sure I lose as little gas as possible. I will then take readings at intervals of 30 seconds, and record my results. I will carry on doing the same thing but changing 1 thing as I go along. The things I will be changing in the experiments are, the surface area of the marble that is exposed to the acid, the weight of the marble the size of the marble, I will also change the temperature of the acid. The Variables The factors which might affect how well the investigation will work are: "
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