Chemical kinetics

Abstract: An enzyme, a protein, is a catalyst, which increases the rate of the chemical reaction. The results of this experiment showed how different temperatures could affect the chemical reaction between the enzyme and the hydrogen peroxide. The temperatures tested in this lab were 30, 35,40,45 Celsius, which are close to the average body temperature which is 37 Celsius. Catalase is an enzyme which breaks down hydrogen peroxide into oxygen and water. Different temperatures were measured to see…

Microwave (MW) assisted Esterification of Benzoic Acid (BA) offers the advantage of transformation of energy and heating throughout the volume efficiently in a shorter period and eliminates the use of excess solvent, during the course of reaction. The present study aims to assess the conversion and selectivity for the production of methyl benzoate compounds by esterification of benzoic acid using microwave irradiation. Effects of operating parameters such as reaction time, feed composition,…

A chemical reaction is the change of a molecule from one arrangement to another. Our whole bodies are made up of cells, which are chemical systems. To sustain life there must be chemical reactions all throughout the body (Barnhart and Hopper 2011). At what rate the reaction can occur is dependent on the activation energy. Activation energy is the amount of energy the reactant molecules must surpass for the reaction to occur (Mathew Bui et al. 2006). Temperature and catalysts are the most basic…

There are thousands of diverse amylase and each has different optimal temperatures in which they complete their reaction faster and for this case the percentage used was 1% bacterial amylase and 3% Fungal was used. In order to find the optimal temperature we had to conduct an experiment on this two amylases. By observing the effect temperature has on the amylases we found the optimal temperature. As the temperature increases the reaction the amylase is undergoing increases therefore the…

which is special for high moisture substances6. Supercritical water, which is serve as the solvent and the reactant in these reactions, mainly decreases mass transition restrictions in ambient condition water; therefore, it helps to accelerate the chemical reactions largely9. However, the vaporization of water along with raw materials is required by traditional pyrolysis and gasification method to convert high-moisture substances, which causes lowering thermal efficiency2. Recent researches have…

at y-axis. Also, Cinnamic acid is competitive inhibitor; therefore the Vmax is decrease (#1 Lehninger). This lab used the Lineweaver- Burk plot to calculate the Km and Vmax. The graph was obtained by taking the reciprocal of the Michaelis-Menten Kinetics equation, which give you a linear line (chemwiki.ucdavis.edu). The linear data is easier to read and easier to calculate Vmax, Km than the sigmoidal graph of Michaelis-Menten plot. Refer to table 9, the Vmax of ‘without inhibitor” was 3.335x104…

temperature rises. The aim of this experiment was to test if the temperature affects the rate of reaction between hypo and dilute hydrochloric acid? How does temperature affect the rate of reaction between hypo and dilute hydrochloric acid? The kinetic particle theory explains the properties of different states of matter. The particles in solids, liquids or gases have different amounts of energy. As they are arranged differently and move in different ways. Solids vibrate on the spot and also…

Effect of temperature on alkaline phosphatase activity | |Enzyme Activity | |Temp |(nmoles pNP.min-1.mL-1) | |((C) | | |25 |15.43 | |30 |16.83 | |37 |19.61 | |45 |24.11 | |60 |14.73…

The Earth is covered by about 70% of water and naturally, water is the only material that exists in three different states (solid, liquid and gas). This highlights that water is an important component as a chemical substance and this is due to its unique properties. Structure of water is one of the main features of water that allows it to carry out its job and that determines its functions and properties. Structure of water Water the molecule In a water molecule, there is one oxygen that has…

enzymes and how environmental factors like pH and temperature affected enzyme activity. Enzymes are proteins that speed up chemical reactions. For this particular experiment, we studied the enzyme catalase, which is found in potatoes. Catalase reacts with hydrogen peroxide to break it down into its water and oxygen parts. Due to the fact that oxygen is a product of this chemical reaction, it can be concluded that the more oxygen bubbles there are, the quicker the reaction is occurring, and the…