Equilibrium chemistry

Nucleophilic Acyl Substitution: The Synthesis of Esters Razon, Valjean Paulo Mella Rico, Fatima Sarah Rogel Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101 Philippines…

carried out by utilizing organic chemistry techniques, such as heating under reflux, extraction, and simple distillation. The acid and alcohol would be combined and heated under reflux; which heats/speeds up the reaction without having the reactants/products evaporate or explode. During reflux, the heating and condensing of the vapor prevents any loss of solvent. As a result, reflux keeps the volume of the solution consistent while inducing reactions. Since equilibrium is not in favor in the…

The role of enzymes play a large role in the survival of organisms through catalysis of reactions that keep them alive and functioning. The purpose of this experiment was to measure reaction activity over time and how substrate concentration affects their activity level. A supernatant was made through the dilution of blended potato extract. Then the supernatant was mixed with catechol and the reaction rate was measured in units of absorbance through a spectrophotometer every 30 seconds for ten…

container will do absolutely nothing to the system, as it is a 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…

Reservoir Systems consist of a hollow inner core and a polymer membrane, there to control the rate of drug diffusion. Drug diffusion across the membrane is rate limited and controls general drug release rate (Bajpai et al. 2008). For reservoir systems drug release normally remains steady resulting in a zero order profile (Raval, Parikh and Engineer, 2010). Another technology is called the Multiparticulate drug delivery system which consists of microencapsulated granules/beads containing drug…

Introduction Enzymes are specialized proteins that act as catalysts. Enzymes are a key part of many biological processes because they are capable of lowering the activation energy of a chemical reaction. By lowering the activation energy enzymes are able to speed up reactions allowing for multiple chemical processes to occur at a faster rate in many living organisms. Enzymes work by binding to specific molecules called substrates. The enzyme observed in this experiment was amylase and its…

Introduction Equilibrium is the concept that in a chemical reaction where both the forward and reverse reactions occur, equilibrium is reached when both reactions are occurring at the same rate, thus once a reaction is at equilibria both the forward and reverse reactions are occurring at the same rate. For a given Chemical Equilibrium at a given temperature, keq can be calculated that will be constant no matter the initial values of the reactants and products. For a reaction: the equilibrium…

his work in mathematics. While Nash is at a bar with some of his fellow students, they try to come up with a strategy to talk to some woman there. As they discuss some possible approaches, Nash creates an idea, which becomes known as the Nash Equilibrium and publishes a piece on it. This game theory basically states that if there are two people in a situation and one person has taken the other person's perspective into account and is a making the best decision that they can; and the second…

The second argument Dawkins makes is that religion and God create a false hope to all those who put their faith in it (Dawkins 2014). He believes religion in the face of God encourages people to believe in a higher being who oversees everything and plays are part in the lives of each person on earth (Dawkins 2014). God and religion also creates a false hope that there will be white gates waiting for the after death (Dawkins 2014). Dawkins believes that God is a being that controls and influences…

topography and the reduction reaction rate of the deposition. According to Nernst equation [10], the conversion relationship between the equilibrium electrode potential and the standard electrode potential is as…