Lab 6.C Hypothesis: If enzyme activity is affected by the pH of a solution‚ then the enzymes will experience the greatest activity at a pH of 6. Variables: Independent Variables Dependent Variable Controls Four different pH values (10‚ 7‚ 6‚ and 3) Change in color of the solution The amount of potato extract‚ pH solution‚ and catechol used (1 cm +/- .1cm) Size of the test tubes Amount of time allowed for the catechol to sit with the potato extract and pH solution (20 minutes with 5
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Example lab report of Synthesis of potassium tris (oxalato) ferrate (III) trihydrate Posted by Nurul Yunaliyana Experiment 5: Synthesis of potassium tris (oxalato) ferrate (III) trihydrate Purpose: to synthesis potassium tris (oxalato) ferrate (III) trihydrate ‚K3 [Fe (C2O4)3].3H2O. Introduction: Ferrous ammonium sulfate‚ Fe(NH4)2(SO4)2.6H2O is dissolved in a slightly acid solution‚ excess oxalic acid‚ H2C2O4‚ is added and the following reaction takes place: Fe(NH4)2(SO4)2.6H2O + H2C3O4
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1/29/2014 Industry-Specific Use of Information Technology Inventions of technology have significantly contributed to the growth and development of IT related organizations in nearly all states globally. Over the years‚ website has influenced a number of benefits for both customers and organizations. Website is substantial because it offers technical information technology services‚ enterprise applications‚ security‚ and data storage services. Website can be described as a considerable concept
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record a thermogram. YOU CAN NOW MOVE ONTO THE STEPS TO RECORD AND DETERMINE THE CALORIMETER CONSTANT FOR EACH OF THE 4 PROVIDED CUPS. 1. Obtain two of the same cup types‚ in example two styrofoam cups‚ and a lid from your instructor or the lab stock room to serve as the calorimeter. Nest one cup inside the other to construct
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temperature of the water it was boiled in. 70°C 3. What was the specific heat of water in J/g°C? 4.186 J/g°C 4. Using the following equation‚ your answers to questions 1-3‚ and your data table‚ determine the specific heat of the metal sample you tested. 5. Identify you metal using the list of specific heat values provided. The metal that was identified was Zinc. 6. Calculate the percent error in the specific heat value that you determined experimentally. Conclusion: The purpose
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Case Study: Specific Learning Disabilities Criteria Name: Jennifer Birthdate: 12/17/92 Jennifer is a 2nd grader being referred for possible learning disabilities in reading. Jennifer has always attended Sand Hill Elementary and has not repeated a grade. She is eight years old. She has been screened for vision and hearing problems and was found to have normal vision and hearing. Her teachers have described her as cooperative and likable. She does not exhibit behavioral problems. Jennifer
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UNIT 75 HSC3029 Support individuals with specific communication needs Learning Outcomes for 1.1/1.2/1.5 will be cross referenced into Unit HSC21 and LD201 1.3 In the table below list features in the environment that may help or hinder communication. Then describe in detail how these features may help or hinder communication. Features in the environment How may this help or hinder communication? Lighting People with a hearing or sight impairment need good lighting as they may need
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Daphnia and Additives Lab Purpose The purpose of this lab is to test what effect of Nicotine‚ Acetylcholine‚ Epinephrine‚ Caffeine‚ and Ethanol on an organism’s heart rate. Materials * Microscope * Eye dropper * Pipet * Cotton balls * Depression slide * Beakers * Daphnia * Water * Five additives: Nicotine‚ Acetylcholine‚ Epinephrine‚ Caffeine‚ Ethanol Procedure 1. Put on safety goggles. 2. Catch a living Daphnia. 3. Transfer to a depression
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correct choice for each question. Answer all questions on the Scantron sheet by filling in the proper bubble with a #2 pencil. If you change an answer‚ erase the undesired mark thoroughly. Be sure to fill in the boxes for your student number‚ name and lab section; then correctly fill in the corresponding bubbles beneath them. A periodic table and other useful information are attached to the back of the exam. There are 4 exam pages and 26 questions. Check to be sure you have answered them all! 1. (zero
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Public Speaking Outline Topic: My Future Career Becoming a Criminal Investigator Specific Purpose: I love to solve mysterious‚ and investing in finding answers. Introduction Attention Material: Reasons for wanting to become a Criminal Investigator‚ what motivated me in wanting to be in the Criminal Justice System. Thesis Statements: What is a Criminal Investigator‚ what are the duties‚ do you have to go to school‚ if you do what classes are required and what kind of degree would you
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