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Lab Reports Essay Examples

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Coordination Lab Report

The elution was heated on a hot plate to 90 degrees Celsius. A sample of potassium oxalate moderate (10. Jag was dissolved in water (50. Ml). The heated copper sulfate solution was added to the potassium oxalate solution and rapidly stirred, A blue substance formed in the mixture. The mixture was cooled in an ice…

Condumetric and Gravemetric Lab Report

Another way to calculate the molar concentration of barium hydroxide would be to calculate the number of moles of the insoluble barium sulfate by gravimetric determination. Data Analysis: 1. 7. 6 ; 10-4 mol HASPS 2. 0. 076 M 3. 0. 008351 mol Bass 4. 0. 0835 M 5. Equivalence Point: 24% error, Gravimetric determination:…

Cell Membrane Lab Report

Methyl Blue 5 Celsius Total Diameter (mm) * Distance diffused = diameter Of each reading minus initial diameter Rate = distance in mm/elapsed time (min) Double click the chart below. A spreadsheet will open. Enter the data from the table above into the spreadsheet in the areas provided. When you are finished, click into another…

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Paste your answers to questions 1 through 16 from the lab below, (. 25 points each) Task 2: Now that you have practiced the subletting process, please complete the problems below. Be sure to show your work: a. You have been given the address 201. 1 11120. 0 by your ISP. You need to create…

Drosophila Melanogaster Lab Report

Over the next four days, the body is completely remodeled to give the adult winged form, which then hatches from the papal case and is fertile within about 12 hours. Fruit fly has four pairs of chromosomes: the WY sex chromosomes and the outcomes 2, 3, and 4. The fourth chromosome is very tiny and…

Chemistry Lab Report Conductimetric

The aim of this experiment it to analyze the solution of Baa(OH)2 of an unknown concentration. In order to obtain the quantitative analysis, the exact amount of a particular compound or element present in sample, two procedures were performed. The first procedure was by conductivities titration and by gravimetric determination. The conductivity was analyzed during…

Newton Lab Report

Procedures of experiment: All groups had to complete two types of labs. The first lab our group had to complete was completed like so: using a car one had to tie a piece of string approximately 80 centimeters in length to a toy car on a ramp. This string was then feed one top of…

Biology Beetroot Lab Report

Lastly carbohydrate molecules of the membrane are relatively short-chain polysaccharides, which has multiple functions, for example, ell-cell recognition and acting as receptor sites for chemical signals. The plasma membrane is a permeable membrane. An important role of the plasma membrane is to maintain the integrity of the cell, holding the cell contents together. Membrane permeability…

Ib Biology Lab Report

You, the student, are expected to come up with the independent variable. Use the independent variable and the dependent variable to phrase your research question. You should also include a brief description of your experiment. Egg. What is the effect of a changing glucose concentration on cell respiration in yeast? Five different concentrations of glucose…

Concrete Lab Report

The proportions must be so selected as to produce a concrete mixture of desired workability, strength, durability, and economy. The most common aggregates are gravel and crushed stone, although cinders, blast-furnace slat, burned shale, crushed brick, or other materials may be used because of availability, or to alter such characteristics of the concrete such as…

Paper Cone Lab Report

Use glue to create paper cones but don’t cut out any sections, because that way the mass is going to change For the first circle stick three sections together and for the others, each time increase the number of sections stocked together by three. Hold the paper cones Let the paper cone fall. CM from…

Termite Lab Report

To test the behavior f termites in relation with the presence of ink, we outlined two shapes with two different writing utensils and timed how long out of a sixty second time period that the termite spent on each path. The results showed that termites spend a substantially longer amount of time following the path…

Lab Report Zea Mays

Lethal alleles are those that fail to successfully code for the proper production of a functional protein that is vital for life. Recessive lethal alleles are mutations that are only lethal to homozygous individuals with two copies of the mutated allele (Castle, 1910) . In humans cystic fibrosis and sickle cell anemia are two examples…

Test Tube Mystery Lab Report

Solubility can be determined through reacting two chemicals together and see if a precipitate is created. Previous knowledge of the solubility rules will help disclose whether two chemicals will or will not create a precipitate. When two chemicals do create a precipitate, it will be easy to determine which chemicals they are. In the end,…

Osmosis Lab Report

The resulting weights were recorded and the data was graphed. We then could draw conclusions on the lab. Introduction Diffusion and Osmosis are two concepts that go hand in hand with each other. Diffusion is simply described as the movement of a substance from a region of high concentration to a region of low concentration….

Lab Report

The rotor speed is denoted as Nor and the phenomenon that the rotor is continuously falling behind the stator rotating miff is called slip. The mathematical expression is shown as below [pica] (Equation 3) 3. APPARATUS Three-phase induction motor 1 unit DC generator Power Converter Power Analyzer Tachometer Three-phase variable resistive load bank Three-phase load…

Post Lab Report

This process aids in determining affinity. 3 The most polar compound is always the absorbent; however, the polarity of the compounds in the mixture in addition to the solvents found in the mixture differs in polarities. We use chromatography, or more specifically TTL, to determine the relative amounts of components in a mixture. Additionally TTL…

Lab Report Banana Dna

DNA is organized into genes and stores genetic information. DNA molecules are long, slender molecules that carry the heritable information of organisms on to future generations. Because of their size, it is impossible to see a single DNA molecule with the naked eye. It would take about 300,000 DNA molecules side by side to make…

Introduction to Prokaryotes Lab Report

Prokaryote are the oldest known life-forms, having existed for the last 3. 5 billion years. Microscopic in size, they are single-celled organisms. Prokaryotic species can survive in extreme habitats that the other life-forms are not capable of inhabiting. Prokaryote have different shapes, the three most common shapes are spherical (Cisco), rod shaped (bacilli), and spiral…

Bio Lab Report Heart Rate

The weekly laboratory exercises are designed not only to stimulate your curiosity and heighten your powers of observation, but also to introduce you to and allow you to practice the scientific method. This laboratory activity will allow you to learn about and practice the scientific method as you study the impact of physical exercise on…

Biology Vitamin C Lab Report

It is crucial for essential diet. It breaks down easily hen the food is heated or let around too long on our shelf. Vitamin C is one of the most popular supplements, great thanks to the dedication of the Nobel prize winner – scientist named Lines Palling. He took up to about 25 grams of…

Lab Report Biology

Though goldfish are one of the easier species f aquatic life to care for, their respiratory systems are just as complex as any other fish. Like other aquatic animals, goldfish have a one-way flow respiratory system. This means that their respiratory system pumps water through their gills and back into the water supply to absorb…

Enzyme Lab Report

Enzymes are proteins produced by living cells that act as catalysts, which affect the rate of a biochemical reaction. They allow these complex biochemical reactions to occur at a relatively low temperature and with less energy usage. In enzyme-catcalled reactions, a substrate, the substance to be acted upon, binds to the active site on an…

Lab Report

Osmosis happens when water diffuses across the membrane from the region of lower solute concentration (higher free water concentration) to that of higher solute concentration (lower free water concentration) until the solute concentrations on both sides of the membrane is equal. (Reese, 2011). Active Transport is the type of transport of molecules where energy is…

Lab report-acid rain

A buffer is a special solution that stops massive changes in pH levels. Every buffer that is made has a certain buffer capacity, and buffer range. The buffer capacity is the amount of acid or base that can be added before the pH begins to change significantly. It can be also defined as the quantity…

Lab Report on Heredity of eye colour

Diagram: Brown eye Black eye Method: Call up my relatives. Ask their eye color. Record their answers in the table below. Analyze the data and graph it. Analyze my graph and conclude which eye color is dominant. Scientific Inquiry and Processing Data (Criteria D & E) Data Collection: Family member Eye color Father Brown Mother…

Lab report ultrasound

Apply coupling gel to the scanning surface. 2. Position the transducer above the vertical plane target and perpendicular to the wires. Do not apply excessive pressure as this may temporarily compress the target and skew the measurement. 3. Adjust the instrument setting as for a “normal” liver technique. Record these settings for used on subsequence…

Informal Lab Report :Chemical Reactions

Types of Chemical Reactions Data: Reaction Observations Evidence It turned a reddish brown and the liquid went clear. The color change proved it was a chemical change. The reaction turned yellow and it separated and created a fog. The solid formed precipitation and had a color change during the reaction proving it to be a…

Biophysical Lab Report

After arriving at Masc.. Gregg Park and analyzing the temperatures of four microcircuits within woo habitats with infrared thermometers, the temperatures were compared between the microcircuits. Then, one habitat was chosen to analyze the temperatures between temperatures of isotherms using I-buttons that were placed inside Peeps. After the five Peeps were placed in each microcircuit…

Lab Report on Solubility

In our findings, we were able to determine the mass of the determined and the percent recovery of matter. The outcome of the experiment was that we made the correct calculations which gave us the confidence to know how to do an analysis of mixture. Introduction A mixture is a material that is not uniform…

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