Abstract This lab is performed in order to determine the total energy in a reaction between zinc and hydrochloric acid. The reaction is done twice‚ once to measure the heat of the reaction and again to determine the work done in the system. This is because Enthalpy equals heat plus work (∆H= ∆E+W). Heat and work can be broken down further into separate components so the equation used in lab is ∆H=mc∆T + PV. Many calculations are used in the lab to find out what cannot be measured directly (ex:
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franciscana are known to live in high salinity lakes that are often basic (Biology 108 Lab Manual 2015). Furthermore‚ A. franciscana feed on photosynthetic phytoplankton which inhabit areas of light availability but are also more susceptible to predation in highly-lit areas (Biology 108 Lab Manual 2015). Also‚ A. franciscana can withstand a broad range of temperature except extreme values may affect survival (Biology 108 Lab Manual 2015). In this experiment‚ the habitat
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Organismic Lab Lab1- Dichotomous Key Introduction A dichotomous key is a series of paired statements or questions that are used to categorize organisms with their similarities in characteristics and or structure. The word dichotomous comes from two Greek words that translate to “divided in two parts.” In a Dichotomous key each step has two choices: whether a particular characteristic is present or absent. The questions
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The purpose of this lab was to determine the effects of changes in variables such as temperature‚ pH and concentration on catalase enzyme activity. Proteins are organic compounds made up of amino acid subunits consisting of carboxyl and amino functional groups‚ linked together by peptide bonds through condensation reactions. They are an essential part of all living organisms. Enzymes are “biological catalyst used to speed up chemical reactions (Athanasopoulos‚ 2014). Normally‚ for chemical reactions;
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et al Abstract: The purpose of this lab was to determine how light affected photosynthesis‚ specifically the production of O2 bubbles. It was predicted that when the light was more intense the O2 bubble production will be high. Conversely‚ when the light was less intense the O2 bubble production will be lower. Basically the plant that is closer to the light will produce more bubbles than the plant that is placed farther away from the light source. In this lab the independent variable is the light
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compared to predicted values based on the patient ’s age‚ gender‚ and height. For example‚ a young adult in good health is expected to have the following FEV values:•FEV-0.5-50-60% of FVC•FEV-1-75-85% of FVC•FEV-2-95% of FVC•FEV-3-97% of FVCIn general‚ a normal result is 80-100% of the predicted value. Abnormal values are:•mild lung dysfunction-60-79%•moderate lung dysfunction-40-59%•Severe lung dysfunction-below 40% (SSO‚ 2). In the Schneider ’s Physical Test‚ the subject final test score number
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Carbohydrate Lab Report Introduction Qualitative identification of a substance is of significant importance in chemistry. Physical constants such as melting points have traditionally been used by organic chemistry for identification of unknown compounds. As for inorganic substances‚ the precipitation of a solid‚ results of a flame test‚ or the formation of a colored substance could all be keys to identifying a sample. Chromatography and spectra are amongst the newer techniques
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for Simpson`s diversity index‚ D = N (N-1) / Σ n (n-1)‚ where N is total number of organisms‚ while n is sum of individuals within a specie‚ we can see that sum of all individuals and total number of organisms of particular species affect the biodiversity index. Variables Dependent variable Biodiversity of ecosystem. Dependent variable is key of the study and it will be tested on independent and controllable ones. It will be derived from sufficient collection of data and using Simpson`s index. Finally
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GOVERNMENT OF INDIA LAW COMMISSION OF INDIA Humanization and Decriminalization of Attempt to Suicide Report No. 210 OCTOBER 2008 LAW COMMISSION OF INDIA (REPORT NO. 210) Humanization and Decriminalization of Attempt to Suicide Forwarded to Dr. H. R. Bhardwaj‚ Union Minister for Law and Justice‚ Ministry of Law and Justice‚ Government of India by Dr. Justice AR. Lakshmanan‚ Chairman‚ Law Commission of India‚ on the 17th day of October‚ 2008. 2 The 18th Law Commission was constituted
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Arnesh Kaewloyma 9/30/14 Enzyme Catalase under optimum conditions‚ speeds up the decomposition of hydrogen peroxide The students have studied that Hydrogen peroxide is a jeopardy to metabolism if it’s not obliterated. Enzymes are proteins produced by living cells of that act as catalysts which affects the rate of biochemical reaction by speeds up the breakdown of hydrogen peroxide into water and oxygen gas. The students have formed a hypothesis toward this experiment. If the speed of
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