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Order now or Free inquiry. About us Pricing Our writers More. Be sure your information will be kept confidential due to our secure service. You can always request a refund if you are not satisfied with the result. Prices for our service depending on your academic level and deadline. To demonstrate how changing the temperature at which a reaction takes place affects the rate of the reaction, the reaction between calcium carbonate and 1.
The 5 varying temperatures are targeted towards being at 10? The rates of reaction will be obtained using an apparatus that will guide the carbon dioxide gas being produced from the reaction between the 1.
This experiment will be performed by placing about 3. This flask is called the reaction chamber because it is the flask that contains the actual occurring reaction. The reaction between calcium carbonate and hydrochloric acid creates carbon dioxide as one of its products.
When the carbon dioxide goes through the tube connected to the plug that seals the reaction chamber it enters the flask containing the water the water will be pushed up a different tube and will displaced into a 50 mL graduated cylinder where you can measure how long it takes for the water to be displaced up to a certain mark on the graduated cylinder using a stopwatch. In this specific experiment you will measure how long it takes for 15 mL of water to be displaced by the carbon dioxide gas being produced from the actual reaction.
The rate of a chemical reaction is inversely related to time. This means that the longer a reaction takes, the lower its rate.
Rate can either be measured by the increase of product concentration divided by the time taken to achieve that concentration or by the decrease of reactant concentration divided by the time taken to reach that concentration of reactant An Introduction to the Collision Theory in Rates of Reaction.
The collision theory states that a chemical reaction is dependent on the collisions between reacting molecules An Introduction to the Collision Theory in Rates of Reaction. But, for a reaction to occur, these molecules must collide in the correct orientation and they must collide with sufficient energy to be able to overcome the activation energy needed for a reaction to take place An Introduction to the Collision Theory in Rates of Reaction.
Factors that have an effect on the rate of a reaction include the concentration of reactants at the beginning of a reaction, the surface area of the reactants, pressure at which the reaction held, the use of a catalyst, and the temperature at which a reaction is held An Introduction to the Collision Theory in Rates of Reaction.
Increasing the concentration of the reactants at the initiation of a reaction increases the rate of the reaction because as the concentration increases, the frequency of successful collisions between reacting particles increases as well Ford Therefore, lowering the concentration of the reactants decreases the rate of the reaction.
Decreasing the particle size, or increasing the surface area of the reactants increases the rate of the reaction because by subdividing the reactants you allow for more of the reactant to be exposed and that will lead to higher probability that the reactants will collide and react Ford Increasing the pressure will increase the rate of reaction, only if the reactants are in a gaseous form because increasing the pressure will decrease the volume which will then increase the concentration of the gases and lead to more successful collisions Ford The use of a catalyst will always increase the rate of a reaction because it provides a lower activation energy for a reaction to undergo successfully Ford Temperature affects the rate of a reaction immensely.
Increasing the temperature will increase the rate of all reactions because temperature is a measure of the average kinetic energy of the particles and so the higher temperature represents an increase in their average kinetic energy Ford This also means that there will be a larger amount of particles exceeding the activation energy needed to collide successfully and react; this translates into an increase in the rate of the reaction Ford Many reactions tend to double their reaction for every 10?
But, by lowering the temperature at which a reaction takes place you lower the rate of reaction just as much as you increase the rate when you increase the temperature. Being able to control the temperature at which a reaction takes place is important because by being able to control the temperature you are also able to control the rate at which reactions happen, but most importantly you are able to control how fast you yield the product from the reaction.
By using a low temperature the equilibrium of the solution shifts to the right and yields more product, but using too much of a low temperature and the reaction will take an extraordinarily long time to create ammonia as a product. To solve this problem pressure and concentration of reactants are increased in order to be able to use a higher temperature so that the rate of the reaction is high, yet still produces a good amount of ammonia The Haber Process for the.
In this experiment the reaction between 1. The equation for the reaction between these two substances is: In this experiment the rate of the production of the carbon dioxide will be indirectly measured through the timing of how long it takes for 15 mL of water to be displaced.
But, if we are measuring how long it takes for 15 mL of water to get displaced into the 50 mL graduated cylinder we are also measuring how long it takes for 15 mL of carbon dioxide gas to displace the 15 mL water into the 50 mL graduated cylinder.
If the temperature at which the reaction between 1. According to the collision theory, if the temperature at which any reaction is held is increased then the rate of that reaction will always increase An Introduction to the Collision Theory in Rates of Reaction. Temperature is a measure of the average kinetic energy of the particles and so a higher temperature represents an increase in their average kinetic energy Ford But, temperature and the rate of a reaction are directly proportional. If you increase the temperature of a reaction the rate will increase as well, but if you decrease the temperature the rate will decrease too.
The temperature at which the reaction between 1. In the experiment we change the temperature of the 1. The 5 varying temperatures are to be approximately: We are able to change the temperature of the 1. By changing the temperature of the 1. The rate of the reaction between the 1. By changing the temperature at which the reaction is held you will either increase or decrease the rate, depending on whether you increased or decreased the temperature at which the reaction is held. To measure the rate of the reaction between the 1.
M hydrochloric acid and the calcium carbonate, we will time how long it takes for the CO2 gas that is produced from the reaction between the hydrochloric acid and the calcium carbonate to displace 15 mL of water. To displace the water and measure the amount of time it takes to displace it we will use a water displacement apparatus that will allow us to take the carbon dioxide gas produced to enter a water chamber and displace the water from that chamber into a 25 mL graduated cylinder, and we will use a stopwatch to time how long it takes for 15 mL of water to be displaced.
Therefore you should only use 1.
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Set up the water displacement apparatus for the next trial. Repeat steps 4 more times until you have done a total of 5 trials for the rate of the reaction between 1. 0 M hydrochloric acid and calcium carbonate at 30? C. Reaction at 40? C Fill up a mL beaker of water and heat it up until boiling on a hot plate. Custom Chemistry Write Ups custom chemistry write ups Jan 18, A level Chemistry write ups.
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