Collision Theory Experiment 1. Temperature increasers the number of collisions. When the temperature is increased the particles all move quicker. If they're moving quicker, they are going to have more collisions. [IMAGE] 2. Concentration (or pressure) increases the number of collision. If the solution is made more concentrated it means there are more particles of reactants knocking about between the water molecules, which make collisions between the important particles more likely.
.Experiment for Chemistry Coursework For this investigation I am looking at how the concentration of acid can change the reaction and how I can explain this using collision theory. My Prediction: I predict that the greater amount of concentration the faster the reaction will take place. Therefore, particles in the two compounds will collide faster. Due to my prediction if it is correct, I expect to see the cross on the paper disappear faster. As I already know that increasing one quantity will
paper, I plan on discussing collisions and will relate this to my real life experiences, previous knowledge, movies, books, or tv shows, and personal/ career ambitions. As we discussed in class, collision can either occur in one-dimension or two-dimensions. Collision is based off the concept of momentum. Momentum is conserved in any type of collision. Momentum is found by taking an object's mass and multiplying it by its velocity. There are three types of collisions. There is inelastic, perfectly
I will put the Bunsen burner under the tripod again to try and reach the temperature. Prediction ---------- The collision theory is that for a reaction to occur, particles must collide with each other. An increase in the temperature is an increase in the energy of the particles, and anything that increases the energy, and therefore the frequency of the collisions, will cause an increase of the reaction rate. I predict that when I increase the temperature, the rate of reaction will
Rates of Reaction Experiment Introduction/Aim: This coursework is about the investigation of the effect of concentration on the rate of reaction between Sodium Thiosulphate (Na2S2O3) and Hydrochloric acid (HCL) by simply changing the concentration of Sodium Thiosulphate. I made a set of results which were obtained by using the method of 'precipitation'. This is when the product of the reaction is a precipitate, which clouds the solution. One observes a marker through the solution and
Rates of Reactionsin Marble Chips Investigation Aim --- The aim of this experiment is to discover how the rate of reaction between Marble chips and Hydrochloric acid changes as the concentration of the acid is increased or decreased. Background ---------- This experiment is using Marble chips and Hydrochloric Acid: [IMAGE]CaCO3 + 2HCl CaCl2 + H2O + CO2 Hydrochloric Acid [IMAGE] + Carbon Dioxide Calcium Carbonate + Calcium
Magnesium Ribbon + Hydrochloric Acid → Magnesium Chloride + Hydrogen Mg + 2HCl → MgCl² + H² Hypothesis I think that as the temperature of the hydrochloric acid increases so will the rates of reaction. I think this because of the Collision theory. These theory states that particles, when heated have more energy, and with this higher amount of energy the particles will be moving at a higher rate with more force, when these particles collide a reaction occurs, therefore increasing the heat
The rate law or rate equation for a chemical reaction is an equation that links the reaction rate with concentrations or pressures of reactants and constant parameters (normally rate coefficients and partial reaction orders).[1] For many reactions the rate is given by a power law such as where [A] and [B] express the concentration of the species A and B, respectively (usually in moles per liter (molarity, M)). The exponents x and y are the partial reaction orders and must be determined experimentally…………
The Effect of Concentration on Reaction Rate Introduction: In this experiment, we utilized the ability for the iodide ion to become oxidized by the persulphate ion. Our general reaction can be described as: (NH4)2S2O8 + 2KI Ã I2 + (NH4)2SO4 + K2SO4 (1a) However, we know that in an aqueous solution, all of these compounds except iodine will dissociate into their ionic components. Thus we can rewrite the equation in a more convenient manner: S2O82- + 2I- Ã I2 + 2SO42- (1b)
highest concentration of powder will have the fastest reaction time. Collision Theory: In a reaction between two gaseous substances A&B a molecule of A must collide with B for the reaction to work, but in a concentrated solution there will be a higher percentage of reactants which will have no more energy. Not all collisions cause a reaction, only the ones which reach the activation energy of the reaction. So collision rate is directly proportional to the reaction rate. This is why I
than there would be with little sodium thiosulphate and more water – taking in account the amount of hydrochloric acid is the same. The reason why I think this is because the particles in the solution that will collide. There is a theory called the collision theory, and some of the factors from this, may affect the reaction rate in my experiment. The first factor is the concentration. The concentration rate is decided whether how strong the solution is. For an example, if there is a lot
faster or slower by changing a number of factors. In order for a reaction to occur certain things are necessary: particles must collide with each other and the collision must have enough energy for the reaction to occur. If this happens the original bonds are broken and new bonds are formed - so that new products are formed. Successful collisions (those with sufficient energy) can be increased (or decreased) by a number of factors. These key variables consist of temperature, concentration, surface area
The variables I plan to control 1. Surface area: The surface area of each marble chip should be kept relatively the same because due to collision theory if more surface area is available the number of particles of solid reactant available for collision will increase. Therefore more collisions can occur, and it is likely there will be more collisions with sufficient energy to successfully lead to a reaction. I might not be able to keep the surface area of my marble chips exactly the same
a concentrated acid there are more particles in it this means that there is a more chance of successful collisions occurring. If the acid was diluted, there are not many acid particles, which means that there is not much chance of an acid particle hitting a magnesium atom. At the start, there are plenty of Magnesium atoms and acid particles but they get used up during successful collisions. After, a time there a fewer Magnesium atoms and the acid is less concentrated so the reaction slows down
experiment, I will be adding 0.5 moles of hydrochloric acid and recording the volume of gas given out during the testing and record the time it takes to give the reaction needed. A reaction is taken place within the experiment because there is a collision of particles in each element. When these two elements collide with each other they form a chemical reaction ( a change which is irreversible) we know this because a gas is given of too show a change, this is why we record the amount of gas given
is because if there is more particles in the total substance of 75ml, there is less surface area free. Twice the amount of particles, in the same total volume, means twice the chance of collision therefore in theory half the time on reaction, due to a high concentration. This is the 'Collision Theory.' This means that my overall prediction is that when the strongest amount of Sodium Thiosulphate is added to the Hydrochloric Acid, it will react faster. This also, proved above means that
temperature of the sodium thiosulphate the faster the reaction of the two liquids. Information. According to the kinetic theory all matter is made up of tiny, invisible particles that move all the time. When the temperature is increased around or on these particles, the faster they move. Heavier particles move more slowly than light ones at a given temperature. This theory defines the differences between solids liquids and gasses; in a gas the particles move freely and at random in all the
surface area is increased (more powdered) the rate of reaction also increases. This means that there are more collisions between the solid and liquid.) * Amount of tap water H2O used, i.e. volume (ml). * Amount of Alka-Seltzer tablets used, i.e. quantity of tablets. (one is used) * Number of times the solution is stirred. (If the solution is stirred more there are more collisions between the particles therefore the reaction is speeded up.) * Temperature of Water-°C. (As the temperature
Rates of Reaction Reactions Reactions can only occur when two different particles come together. The theory for the way the reaction occurs is called The Collision Theory. The collision theory states that that the different particles need to collide with each other in order to react. However, they do not react if they collide without sufficient energy, and therefore the more energy a particle has, the more likely it is to react. The activation energy is the minimum amount of energy
H2SO4 à H + ZnSO4 This reaction is catalysed by Copper sulphate (CuSO4) Ionic Equation - Cancel Spectator ion (SO42-) Zn + 2H+ à Zn2+ + H2 For this reaction to work there must be hard collisions between the zinc and the hydrogen ions (acidity ion) from the acid, The faster the harder and the more often the collisions happen so I predict the more catalyst the faster the reaction. Planning Safety * Sulphuric acid at 2M is a corrosive substance but diluted to 1M it is an Irritant, so wear a Lab coat