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Thursday, March 21, 2019

Investigation looking At the Speed of Reactions :: GCSE Chemistry Coursework Investigation

Investigation looking At the Speed of Reactions universeThe aim of this audition is to find out how a variable flock affectthe results from a scenario set up in scientific environment. Theexperiment is to see how a certain variable will affect the pith ofGas produced from a calcium Carbonate and Hydrochloric Acid Reaction.The Sciencecalcium Carbonate is a generally white or colourless mineral that istranslucent. When compressed or exposed to great heat the mineralbinds in concert in small to large clumps forming calcium CarbonateChips, however left(p) in its formed state it is powder, a chalk likesubstance. I could use either forms of the atomic number 20 Carbonate for theexperiment.Hydrochloric Acid, is a clear, colourless to somewhat yellow liquidwith a sharp, pungent and irritating odour. It is a sloshed racylycorrosive red-hot, soluble in water and alcohol further insoluble inhydrocarbons.The reason I am using atomic number 20 Carbonate and Hydrochloric Acid for myexpe riment is due to the reaction when they are throw together. Afizzing reaction takes place letting loose Calcium Chloride, CarbonDioxide and Water.Word Equation=============Calcium carbonate + Hydrochloric Acid === Calcium Chloride + Water +Carbon DioxideSymbol Equation===============CaCO3 + 2 HCl --- CaCl2 + H2O + carbon dioxidePredictionMy prediction is that if the parsimoniousness of the acid sum ups at that placewill be an increase in output of Carbon Dioxide from the reaction forexample the highest compactness produce the most gas in the giventime. I employ a preliminary test to help in the prediction. I went and hustling marble chips and concent yardd acid we tried the experiment,the results was clear that as in a few seconds it was almost finished.When we used very dilute acid it took so long for it to react and theamount of bubbles were much less than the get-go one. By using theresults I can make the prediction of that, the rate of reaction isaffected by concentratio n.HypothesisIf the concentration of an acid increase than output of gas will alsoincrease. When the acid has a high concentration that means in thatsolution, compared to a dilute one there are more particles availableto react with therefore the amount of measure they will collide with theeach other is more.Factors-------There are galore(postnominal) different factors, which action the rate of reaction.Below is most of the known factors which effect the rate of areaction1. The size of the particles of a solid reactant2. The concentration of the reactants solution3. Temperature of experiment4. step of time available for reaction5. Amount of solid reactant6. Amount of reactant solutionParticle sizeThe reaction in the midst of calcium carbonate and dilute hydrochloric acid is

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