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Saturday, November 30, 2013

Science-chemistry practical-To find out how the concentrations of the reactants affect the rate of reaction

Aim: To find go forth how the concentrations of the reactants affect the station of response Variables: Possible variables that could speed up the judge of a reply ar; Temperature Catalyst Surface area tautness chosen Variable= Concentration=Independent Variable Scientific acquaintance: Reactions can go at any sorts of different range e.g. a slow answer would be the rusting of agitate and a really fast reaction is an explosion. The speed of a reaction can be find either by how quickly the reactants are r tabuined or how quickly the products are forming. For this look into I depart be observing how quickly the reactants are forming (how quickly the stem turns opaque white), this is because this method is a forget me drug easier to measure. This is called the precipitation method. It is when the product of the reaction is a precipitate, which clouds the solution and is carried out by observing a marker through the solution and measure how long it takes to disap pear. opposite methods include finding out the change in plentifulness by using a mass balance and running(a) out the volume of gas prone off with the use of a gas syringe. Reaction rank are explained by the bang Theory, which explains that the rate of reaction depends on how often and how hard the reacting particles bump around with each other.
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The particles contrive to collide with each other, hard decent in rule to react. Therefore more collisions increase the rate of reaction. The factors that affect rate of reaction include temperature, increasing the temperature hits the particles stir up fast and collide more. At a higher temperature thithe! r will be more particles colliding with enough aught to make the reaction happen. The initial energy is known as the activating energy and its needed to break the initial bonds. However in this experiment... If you wish to get a full essay, order it on our website: OrderCustomPaper.com

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