Tuesday, January 28, 2014

Rates Of reaction- The reaction between limestone and hydrochloric acid

Aim During this essay I bequeath be canvass if thaw limestone and changing the assiduity of the sharpulous go out affect the enumerate of reaction.          Preliminary work Before doing our main experiment, we provide have to conduct          another experiment, to probe what concentration of acidulent we will have to intent. We done this apply 0.1M, 0.5M and 1M of Hydrochloric acid, and 0.1g of powdery limestone, we used powdered limestone, as it would be a mediumer test, I think this as all the particles of limestone will be near the same size, the particles have a larger scratch study than cubed limestone, therefore it will react the quickest. If you were to use cubed limestone it wouldnt be fair as no cube will be simply the same size. In conclusion to this experiment, 0.5M of acid was the topper to use as it had the best measurable reaction epoch. Equipment The equipment we will be using during this experiment is: *Goggles (to pro tect the eyeball from reactions) * metre cylinder (to measure out the acid) *Bunsen burner (to wake the acid to the right temperature) *Test tubes (to hold first experiment in) *Hydrochloric acid (the acid existence used) *Powdered limestone (the substance being used) * triangular stand (to hold the Bunsen burner) *Timer (to time the reaction) *Thermometer (to say the temperature) Diagram Possible Variables The possible variables are: *Temperature of acid- this will touch on how quickly the reaction happens e.g. the limestone reacts fast-paced or slower below a certain temperature. When the acid is heated, the particles gain *Amount of Hydrochloric acid used *Amount of limestone used * grow area of limestone- this will determine how quickly the reaction will happen e.g. If the limestone is cubed or powdered *Concentration of acid- this will determine whether the limestone dissolves faster or... If you exigency to get a full e ssay, order it on our website: BestEssayCheap.com

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