determine the reaction time of the test participant and using the subtractive method identify the selection time and identification time of the participant. The experiments had one participant who participated in a total of 6 experiments; two experiments required a simple reaction with a single stimulus and 4 experiments that required a more complicated reaction. Keywords Subtractive method – the procedure of estimating the time it takes to perform various cognitive operations. Simple reaction – this
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SN1 Reactions For SN1 reactions it’s important to have a good leaving group because this reaction occurs in two steps. Because alcohol is such a poor leaving group it needs to be helped by silver nitrate to help promote the ionization of the alkyl halide. This helps form the products of the SN1 reaction. 2-chlorobutane This reaction didn’t occur because the carbocation isn’t stable enough for an SN1 reaction. 2-bromobutane This reaction occurred in 32 seconds. This reaction occurred quickly
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Alissa L. Munez Dr. Trinidad MBA- Colegio de San Juan de Letran Portfolio Management Reaction Paper Natural Disasters and the Philippine Stock Exchange Index: A Garch-M Analysis by Adrian P. Gallido‚ Ph.D. and Martites A. Khanser‚ D.B.A This study examines the effect of earthquakes‚ tropical cyclones and volcanic eruptions on the Philippine Stock Exchange index (PSEi) over the period of 2 January 1985 to 30 December 2010. In the context of the Philippine Market‚ the composite index can be seen
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Aldol In this preparative lab‚ an aldol (trans-p-anisalacetophenone) was produced from the reaction between p-anisaldehyde and acetophenone with the presence sodium hydroxide. The reaction also showed the importance of an enolate and the role it played in the mechanism. Sodium hydroxide acts as a catalyst in this experiment and is chosen because of its basic conditions and pH. The acetophenone carries an alpha hydrogen that has a pKa between 18 and 20. This alpha hydrogen is acidic because of its
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Properties and Reactions of Hydrocarbons Abstract Introduction Hydrocarbons are organic materials that contain only carbon and hydrogen atoms‚ these molecules can be saturated or unsaturated and acyclic‚ cyclic‚ or aromatic. In this experiment we used a variety of methods to examine the physical and chemical properties of hydrocarbons. The first experiment we tested a variety of solvents to see if they dissolved our alkane (Decalin). One would expect that non-polar solvents will dissolve
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Coursework Rates of Reaction Research The rate of reaction tells us how quickly a chemical reaction takes place. It is important for people in industry to know how fast a reaction goes. They have to know exactly how much of their product they can make each hour‚ day or week. In a shampoo factory‚ the rate might be 100 bottles per minute. We can’t work out the rate of a reaction from its chemical equation. Equations can only tells us how much product we can get. They don’t say how quickly
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BIOL2220 Lab 3: Hill Reaction Introduction In 1937‚ Robert Hill discovered that isolated chloroplasts can generate oxygen when they are illuminated in the presence of a suitable electron acceptor‚ even in the absence of carbon dioxide. This finding was a landmark in the study of photosynthesis because it established that the source of the electrons used in the light reactions is water. It also confirmed that the released oxygen is derived from water instead of carbon dioxide. In chloroplasts
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Reaction Paper Elizabeth Bishop’s “The Hanging of the Mouse”‚ places animals in the roles of humans in reference to an execution. The writer uses animals to replace humans to possibly convey a message or point of view towards the death penalty. In the story‚ the mouse is being executed for what we believe is some sort of crime. It isn’t clear whether or not the mouse actually committed a crime‚ but we are led to believe that an act occurred in which caused the mouse to be executed on this
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How to Chair a Meeting Effectively Many of you will chair meetings as part of your role and those that don’t may in the future or will in someone’s absence. Here are some points to remember: What Makes a Good Chair Below are some general pointers about what makes a good Chair of a meeting. Some of you will have these skills‚ possibly without realising them‚ other will have some but not all. They are things to think about and focus on as you develop your role of a Chair to optimise your abilities
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There are good meetings and there are bad meetings. Bad meetings drone on forever‚ you never seem to get the point‚ and you leave wondering why you were even present. Effective ones leave you energized and feeling that you have accomplished something. Every day people have different types of meetings‚ whether it is formal/informal‚ social gatherings‚ job focused or community based. All of which are mainly to give information‚ get information‚ develop opinions and make decisions. Meetings are established
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