Social Aspects of the 1920s The 1920’s were the time in American history where there was rapid change in culture‚ artistic innovations were happening‚ rebellious behavior occurred‚ and a huge economic boom. After being exhausted with trying to be noble and having proper behavior‚ America‚ in the 1920’s had a decade of this social outbreak from the moral restrictions of the past generations. In the 1920’s‚ on top of the social status were the upper class‚ or Fitzgerald referred to
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Name Mole Lab Exercises I. Pre Lab Questions Answer the following questions. (Hint: Your textbook will be helpful.) 1. ‘s number is the number of carbon atoms that are present in 12 g of 12C. 2. How many molecules of a compound are in one mole of that compound? 3. Write out the formula for finding percent by mass. 4. Write out the formula for finding Molarity. 5. The Formula Weight of a compound is equal to mole of that compound.
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Conductivity Lab | Did conduct | Did not conduct | Solid sodium chloride | | | Solid sucrose | | | Distilled water | | | Alcohol | | | Tap Water | | | Distilled water and sodium chloride | | | Distilled water and sucrose | | | Alcohol and sodium chloride | | | Alcohol and sucrose | | | Questions: 2). Did any of the liquids conduct an electric current? If so‚ which one(s)‚ and please explain why or why not thoroughly? The tap water contains ions
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In the 1500’s and 1600’s‚ some startling discoveries radically changed the way Europeans viewed how and why things happened in the physical world. Three scientists who contributed to these changed were Nicolaus Copernicus‚ Galileo Galilei and Isaac Newton. These scientist changed some beliefs of which many had been believed for all of time. For almost all of time‚ the geocentric theory was believed to be true. This theory suggested that all planets revolved around the Earth. In 1543‚ Polish scholar
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Section______________________________ Virtual Lab: Enzyme Controlled Reactions Worksheet Go to the following website to complete the virtual lab: http://www.mhhe.com/biosci/genbio/virtual_labs_2K8/pages/EnzymeControlledReactions.html Due: Wednesday‚ March 28‚ 2012 during your respective lab time 1. Which of the following does NOT apply to an enzyme: a. Catalyst b. Inorganic c. Protein d. All of the above apply to an enzyme 2. When an enzyme catalyzes a reaction: a. Substrate(s) bind in the active site
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Name Lab Section GTA Station # 5. Extraction Pre-lab questions Complete the following questions and submit before beginning the experiment. 1. Which layer will be the aqueous layer when using dichloromethane (methylene chloride) as the solvent (i.e.‚ top or bottom)? Which layer will be the aqueous layer when using ether as the solvent? 2. When everything has been separated in Part D‚ which compounds will be in test tubes 1‚ 2‚ and 3?
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Chemical Reactions Note: Lab reports are to be completed by each student individually and in their own words Observations: (This part is to be completed in class) Part 1: Physical Change- Heat of Solution for Sodium hydroxide (NaOH) 3.2 grams NaOH Result: Temperature of DI water = ____22.8 °C Temperature after addition of NaOH = ______31.8 °C Part 2: Chemical Change- Reaction between acid and base Result: Temperature of HCl = ___21.4 °C Temperature after addition of pellets of NaOH = ____26.4 °C Part
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BIOLOGY LAB REPORT (UNIT 7: ENZYMES) GENERAL Enzymes are protein that acts as catalyst‚ lowering the activation energy need for reactions to progress in cells. The reaction can still occur without the presence of the enzyme‚ but at a much slower rate. The activation energy is the minimum amount of energy need for a chemical reaction to occur‚ yielding from a given set of reactants. In enzymatic reactions‚ we have substrates which are reactants of reaction bound to an enzyme. While an active site
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department Data security – Lab # 1 Lab Description Set-UID is an important security mechanism in Unix operating systems. When a Set-UID program is run‚ it assumes the owner’s privileges. For example‚ if the program’s owner is root‚ then when anyone runs this program‚ the program gains the root’s privileges during its execution. Set-UID allows us to do many interesting things‚ but unfortunately‚ it is also the culprit of many bad things. Therefore‚ the objective of this lab is two-fold: • Appreciate
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flows through the wires‚ a magnetic field is induced in the space surrounding the loops of wire. This magnetic flux is designated by Bi . The strength of the magnetic field induced by the current at the center of the loops of wire is given by Amperes law: Induced Bi = [pic]. where μo is the permeability of free space and has the value of 4π x 10-7 N/A2‚ N is the number of turns of wire‚ I is the current through the wire‚ and R is the radius of the loop. When the wire loops of the tangent galvanometer
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