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    Enthalpy Lab Report

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    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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    Unknow Lab Report

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    Introduction The purpose of this lab was to identify unknown bacteria cultures using various differential tests‚ and my unknown bacteria is #17. The identification of these unknown cultures was accomplished by separating and differentiating possible bacteria based on specific biochemical characteristics. Whether the tests performed identified specific enzymatic reactions or metabolic pathways‚ each was used in a way to help recognize those specifics and identify the unknown cultures. The differential

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    Tetraphenylcylopentadienone Post-Lab Report Purpose- This experiment illustrates the use of adol condensation for the synthesis of a five-membered carbocylic ring. It is also a good demonstration of the impact extended conjugation has on the absorption of visible light. The reactants are bright yellow in color while the products are a very deep purple color appearing almost black. Introduction- The synthesis of Tetraphanylcyclopentadienone was a further example of the adol condensation reaction. Tetraphenylcyclopentadienone

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    reaction report 2

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    Effective communication is key to making any relationship work. Communication can be verbal (speaking)‚ as well as non-verbal (facial expressions‚ body language‚ etc.)‚ and can dictate how compatible two people are‚ and how long a relationship may last. Communicating includes expressing emotions‚ interaction‚ touch and others that dictate how the relationship between two people will develop. Being able to open up to your partner‚ and covey your feelings allows for a better understanding‚ and greater

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    Ecoli lab report

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    Mallory Charland  February 9‚ 2015  Mutations of ​ E. coli​  Lab Report  Advanced Biology      Deducing Mutations of the Lac Operon​  ​ of ​ E. coli     Abstract:    In this lab we determined a possible mutation in unique bacterial strains of ​ E. coli ​ by observing  the proper responses of wild­ type ​ E. coli ​ Lac Operon as a control group. Mutated strains of​  E. coli  were placed in four test tubes‚ each containing a different substance (lactose‚ glucose‚ water and lactose  and glucose)

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    Lab report: Extraction

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    Lab report for Experiment #2: Extraction Your Name: Name of TA: Lab Partner’s Name: Lab Section: Title: Experiment #2: Extraction Purpose: What is the purpose of this lab? In your OWN words! Observations: Weighed out 3.2568 grams of chemical mixture that was yellow in color. Dissolved dry chemicals in 38 ml CH2Cl2 with gentle heating. Poured the yellow solution into sep funnel. Added 10 ml CH2Cl2 to flask to rinse‚ poured solution into sep funnel. Added 15 ml 3 M

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    Enzymes: Lab Report

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    2011 Lab Number: 3 Title: Cell Energetics: Enzyme Role in Biological Reactions Name: Brandon Moore Student Number: 100819124 Lab day and time: Wednesday pm Date: Wednesday November 23‚ 2011 Introduction Enzymes are a key aspect in our everyday life and are a key to sustaining life. They are biological catalysts that help speed up the rate of reactions. They do this by lowering the activation energy of chemical reactions (Biology Department‚ 2011). In chemical reactions bonds

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    Concrete Lab Report

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    Engineering B45 Concrete Lab Report Introduction: Concrete is a mixture of sand and rock or similar inert material (aggregates) held together by a cementing material. Usually the cementing material is Portland cement‚ but sometimes binders such as asphalt or gypsum are used‚ in which case the concrete may be called asphaltic concrete or gypsum concrete. Properties of concrete are governed not only by the properties of its ingredients (cement‚ water‚ sand‚ and coarse aggregate) but also‚ to a great

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    Stoichiometry Lab Report

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    Stoichiometry lab 1 Purpose: The purpose of this lab is to find the limiting reactant‚ also to find the percentage yield and percentage purity of the reaction that happens between Calcium Chloride and Sodium Carbonate. The other purpose was to know how the reaction can be balanced and created. Hypothesis: In this lab we are going to see a precipitation reaction. This is a reaction where two soluble salts Sodium Carbonate and Calcium Chloride are added together and the result is the precipitation

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    Lab Report Help

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    Created By: Andrew Weeldreyer Mrs. Wolf Period:3 AP Chem Lab Report: Determination of the Molar Volume of a Gas Objective: To react Mg and HCL and form hydrogen gas‚ then after collecting lab data‚ determine the hydrogen gas’s molar volume at STP through calculation. Materials: -LabQuest data collector - 3.0 M of HCl solution - Ribbon of Mg metal - Gas pressure sensor

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