Effect of temperature on raction rate :: essays research papers

Effect of temperature on RXN regulateFactors affecting dictate of reactionSurface area as we ext decision surface area, we growth the reaction rate. The more than(prenominal) the strikings the faster the reaction.Concentration as we increase concentration we increase the reaction rate. In reaction with among gases, increasing the pressure, increase the reaction rate.Temperature as we increase the temperature, we increase the reaction rate. Raising the temperature makes particles collide more often in a reliable time, and makes it more likely that collision results in a reaction.Catalyst - accelerator is a substance, which bucket along up a chemical reaction. At the end of the reaction the catalyst is chemically unchanged.AimEffect of temperature on rate of reaction.HypothesisI predict that the rate of reaction lead increase in speed by increasing the temperature, because Raising the temperature makes particles collide more often in a certain time, and makes it more lik ely that collision results in a reaction.Apparatus required1)4 conical flasks2)An measuring stick of HCl3)An amount of Na2S2O34)Timer (stop-watch)5)A tile with a mark (X) on it6)2 measuring cylinders7)1 empty beaker Procedure2-Use 20cm3 of body of pee with 30cm3 of HCl3-Add the solution to 30cm3 of Na2S2O34-Put a conical flask on a tile with a mark (X) on it.5-Put the beginning(a) solution in the flask.6-Put the flask in a water bath at a controlled temperature of 30C.7-Quickly add the here and now solution and start timing8-Stop timing when you can no longer enamor the mark (X) on the tile.9-Repeat steps 1 to 4 but using a different temperature each time.10-The utmost time use the same amount but at 70C.Fair testChanging VariableTemperature (C)Constant VariablesAmount, and concentration of HCl, and Na2S2O3 ResultsTemperature/CTime/sec202825273022352040164513507ConclusionFrom my results I have concluded that temperature has a great affect on the reaction rate of HCl and Na2S2 O3, because as we see from he graph the slope is increasing gradually, this is because increasing the temperature makes particles collide more often in a certain time and makes it more likely that a collision will result in a reaction. Because on that point are more effective collisions, temperature has a great affect on reaction rate, if you raise the temperature by 10C the time will decrease by nearly 6 seconds indicating the increase in speed of the reaction.