Reaction rate

Group Members Zoe Ching, Juliet Contreras, Ailly Lam, Aleksi Ska. Background information Enzymes are biological catalysts, which speed up the rate of chemical reactions. The pancreas produces a concentrated solution containing a mixture of enzymes – amylase, lipase and protease. In this experiment you will examine the effect of protease on casein, the protein found in milk. When the protease breaks down the casein, the opaque solution will become transparent. Theoretically, Enzyme activity…

a. Potential Rating or Scoring Errors The following are some of the commonly occurring errors: o Halo effect – tendency to allow a positive (or desirable) quality, trait, or feature of an individual to enhance the appraisal ratings o Horn effect – tendency to allow a negative (or undesirable) quality, trait, or feature of an individual to taint the appraisal ratings o Rater Bias – tendency to allow individual differences (or personal characteristics) such as age, race, religion, disability, and…

Cu Again: Reactions of Copper Lynna Jezek*, Long Nguyen CHEM 111-502 Introduction: The element copper has proven to be of great use to human civilizations through time; from the first bronze smelted by the Sumerians to copper’s practicality in today’s industry-driven world, copper has become essential to human life. Copper’s use in industry (such as its great conductivity of heat and electricity) has driven many scientists to study the Copper Cycle, or how copper behaves as a response to…

solid and is not taken into account when calculating the equilibrium constant. Increasing the pressure by adding argon gas will not affect the system. First of all, argon is an inert gas, which means it will not react with anything involved in this reaction. Since it does not react, it cannot affect the equilibrium constant. Increasing the pressure by decreasing the volume of the container will change the system by causing more solid CaCO3 to form. In order for the system to counteract the…

surface blocking the active surface sites in the LDH. The maximum photodegradation efficiency was obtained at the dye concentration of 1 x 10-5 M. 3.11.4. Recyclability of 2:1 Co/Ti LDH After each degradation cycle, the LDH was separated from the reaction system, was regenerated by washing it three times with de-ionized water followed by drying,…

of an electric current. Electrochemical machining is in general differing to electroplating where the metallic ions wandering through the electrolyte solution set down on the surface of the cathodically connected work piece. The electrochemical reactions taking place in the electrochemical machining process are as…

three variables. The data showed that each variable contained an optimum level at which the enzyme was most effective. Intro: Enzymes are vital to the existence of life. Living organisms have innumerable chemical reactions occurring their bodies at all time and these chemical reactions must be regulated. Enzymes are proteins, or sometimes RNA molecules, whose job is to perform the catalysis that…

and chills. Mrs. Jones can also suffer from the acute hemolytic reaction if she has symptoms such as low back pain, flushing, tachypnea, hypotension, vascular collapse, and bleeding. To manage these reactions, the transfusion needs to be stopped and draw blood samples for testing to avoid hemolysis reaction (Potter, 2014). “A hemolytic transfusion reaction is a serious complication that can occur after a blood transfusion. The reaction occurs when the red blood cells that were given during the…

of an invaluable chemical reaction (The Nobel Prize in Chemistry 1950). The reaction they described was for the formation of carbon-carbon bonds in a six membered ring with exceptional control of its stereochemistry in one step (Diels-Alder Reaction Gains Nobel Prize). This was an important discovery due to the fact that six membered rings are abundant natural products and man-made products. Several new compounds were synthesized as a result of the Diels-Alder reaction including: Reserpine,…

Calcium hydroxide (Ca(OH)2), universally referred to as lime water or slaked lime is formed by reacting hydrated lime (calcium oxide, CaO) with water (H2O)[1] CaO (s) + H2O (l) ⇌ Ca(OH)2 (aq) (ΔHr = −63.7 kJ/mol of CaO) Calcium hydroxide is an economically favorable alkaline reagent to neutralize acid as it yields 2 moles of (OH)2 for every 1 mole of Ca(OH)2 (which is slightly soluble in water) when compared to sodium hydroxide [1] and it may separate from the solution ‘constant agitation must…