Maddie Sanchez 5-13-13 Period 5 I. Title: Titration Lab II. Purpose: To determine the concentration of an acid or a base exactly by neutralizing the acid or base with an acid or base concentration. III. Materials: The materials needed are a burette‚ boat dish‚ soap‚ beaker‚ ring stand‚ clamp‚ funnel‚ phenolphthalein (indicator)‚ scale‚ 250 mL flask‚ distilled water‚ stirrer‚ acid‚ and base. IV. Procedure: This lab was done in two days. On day one the first thing
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Regents Biology Period _________ Date ______________________ LAB ____. ANATOMICAL EVIDENCE OF EVOLUTION In our studies of the anatomy and development of animals we have discovered that many living creatures that look quite different on the surface have similarities underneath their skin that suggest that they are related to each other. This is evidence that living creatures have evolved‚ or gradually changed over time. In this lab‚ you will learn about homologous‚ analogous‚ and vestigial structures
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Name____________________ Magnet Lab Problems: 1. How does a compass react when moved around a bar magnet? 2. How can you tell that a magnetic field is produced when electricity flows through a wire? 3. As you move further away from a magnet‚ what happens to the magnetic field strength? What is this similar to? Hypotheses: 1. _________________________________________________________________ 2. _________________________________________________________________ 3.
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Tyler Cowan Professor Foltz Biology 181 April 8th 2015 Lab Report: Respiration Abstract: The objective of this lab was to figure out which has a higher cell respiration rate between crayfish and elodea. In order to figure this out we first set up three beakers to represent our control‚ elodea and crayfish and filled them with 75mL of culture solution which were dechlorinated making the solution acidic. We then had to place both the elodea and the crayfish in separate beakers filled with 25mL of
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Nervous System lab was designed to measure reaction times by using a variety of tests that affect the heart rate. These tests were the startle‚ stroop‚ Valsalva maneuver‚ diving reflex‚ and a test of our choice. The test our group chose to measure the heart rate in response to doing a trust fall to anticipate the stress right before the fall. To begin this lab we chose a participant‚ and then hooked their finger up to the pulse transducer sensor. Using the chart 5 program on the lab computer the participant’s
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Week 5- CNDV 5322 Based on Mike’s behaviors and lack of professionalism and work ethic‚ Justin can tell that Mike is not performing his ethical duties. As the ACA Code of Ethics (2005) states‚ Justin should first attempt to resolve the issue informally with his colleague (ACA‚ 2005‚ p.19). Confronting another counselor about unethical behavior may be difficult and cause feelings of discomfort for both counselors involved. This is an ethical responsibility and may be the only action needed to resolve
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results 4. Repeat step 2 5. Place boiled 1mL of boiled potato into 50mL beaker of solution Data KMnO4(mL) | Time(seconds) | | 10s | 30s | 60s | 120s | 180s | 360s | A. Baseline | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | B. Final Reading | 7.5 | 7.5 | 8 | 8 | 8 | 7.5 | C. Initial Reading | 5 | 5 | 5 | 5 | 5 | 5 | D. Amount of KMnO4 Consumed | 2.5 | 2.5 | 3 | 3 | 3 | 2.5 | E. Amount of H2O2 Used | 1 | 1 | .5 | .5 | .5 | 1 | Baseline Calculation
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Module 5 Create a car saying (Bumper Sticker) or a Road Sign (Billboard) that would describe one main point you learned in Module 5. This is an example of a bumper sticker from a former student: ““Driving the right speed is always a good deed. Enjoy your ride and don’t collide!” 1. What would yours say? Fasten your seat belts‚ It Helps. 2. How would it look? It would be a billboard of a family and the driver and the backseat passengers have on seat belts but the front passenger doesn’t 3. Now
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Lab 6 Experiment 2 1. It is important that bass caught and marked are returned to the lake unharmed because if they are harmed them they are less likely to be caught again or they may end up dying if they are returned harmed. 2. I don’t this type of population would be easier to count directly because I don’t think it would be possible to catch all of the bass in the population to conduct this experiment. 3. I think that sample size is relative to population density and will positively
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Couva‚ Trinidad‚ W.I. Program: National Engineering Technician Diploma Course code: ENSC 110D Class: Petroleum Lab Title: Pendulum with a yielding support Instructor: Mrs. Sharon Mohammed Full time Name: Kirn Johnson
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