To carefully describe the relationship between the rate of reaction and the temperature, a graph of these two variables is plotted. It can clearly be seen that the rate of reaction gradually increases as the temperature is increase. This is best explained by the principles of chemical kinetics. The increase in temperature results in an increase in the kinetic energy of the molecules. Consequently, these molecules are able to move faster and the probability of collusion with other molecules is increased.
I believe that the higher the light intensity is, increases the rate of photosynthesis as it is would no longer be a limiting factor of photosynthesis and therefore the plant would photosynthesize at a higher rate, which is shown in my results. My investigation has proved evidence to support my hypothesis. Evaluation: Overall, there was an increasing trend, however at 20cm there was an anomaly that occurred as it did not follow the pattern that the other results displayed. However, this could have been due to a number of factors, the plant may have been tired or there could have been another limiting factor, e.g. temperature or carbon dioxide.
Kinetic theory states that molecules are always in constant motion. Kinetic energy and molecule velocity increases as temperature increases. Reactions require collisions between reactant molecules or atoms. In chemical reactions, the reactants change into products when molecule collide with enough energy to break old bonds to make new ones. Collisions increase or become more violent between molecules at higher temperatures or decrease as the temperature is lowered.
The variation of the concentration of sodium bicarbonate will have an effect on the rate of photosynthesis of spinach (Spinacia oleracea). As the amount of sodium bicarbonate increased the rate of photosynthesis also increased, this is because bicarbonate provides carbon dioxide (CO2) for the photosynthetic reaction which was also found in the experiment: An Assay Utilizing Leaf Disks (Guy, 1985). When completing this experiment there was one mane issue with our experiment that might have affected the results. The main issue that was faced was when the leaf disks were being exposed to the higher percentages of sodium bicarbonate while they were being vacuumed in the syringe. We found that the sodium bicarbonate was reacting with the leaf disks before they were placed
This took away Fe3+ from the solution, causing the equilibrium to change to reactant favored. With the reactions that the group did in this experiment the equilibrium changes wherever in order to balance the ratio between the products and reactants. The system changes in favor of the side with the least amount of stuff. When the group added heat to the system resulted in a decrease in the concentration of FeNCS2+. When the increasing the temperature it the reverse reaction of the system was the take away the heat.
and when you add impurities you have free electrons or holes that make it a (poor) conductor. It prevents radiation, because it prevents electromagnetic waves, it also prevents conduction, because it doesn’t conduct heat, so it cannot transfer heat to objects. It prevents convection, because the atoms cannot move through the water in the object. My third material, yarn, is a good insulator, because it doesn’t conduct heat, because the valence electrons are 4 and so join with other molecules to make strong bonds. and when you add impurities you have free electrons or holes that make it a (poor) conductor.
When the temperature becomes low, the cell membrane is less absorbent and does not permit more substance to pass through the membrane. My results supported my hypothesis which was as the temperature increases so does the beets permeability. In this experiment, there is a human error, as we cut the beet the measurement is near each other but not perfect. The amount of water in each tube would also be a reason for an error in this lab because it was not all equal. Another factor would be, temperature because some were long and some were short.
Bottom Chamber gas: When you apply heat to the bottom chamber, the gas increases in pressure because of the evaporated molecules. More molecules in a space means higher pressure. This higher pressure pushes the liquid up the tube to a lower pressure zone. The molecules hit the liquid with so much force and hit it so frequently that the liquid is forced into another area that has molecules that do not hit it so hard or so frequently. Top Chamber
Viscosity of the formulation was determined using Brookfield Viscometer. The viscosity of the formulation increased with an increase in Sodium Alginate and Pectin concentration. This phenomenon is a consequence of increasing chain interaction with an increase in polymer concentration. This change in viscosity is proportion to the change in concentration and polymer ratio. The buoyancy lag time in simulated gastric fluid (0.1 mol L-1 HCL, pH 1.2) varied with the formulation variable.
Background Information: Yeast fermentation is directly affected by the change in temperature, because the rate of chemical reactions is affected by temperature. If the yeast has been exposed to its optimum temperature (66.667 degrees Celsius) then it will give off the highest carbon dioxide production. As the temperature gets higher, the yeast will produce more carbon dioxide, until at some point carbon dioxide production will decrease, that is when the yeast cells have become denatured due to the increase in temperature. Chemical reactions