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Lab Reports Essay Examples

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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…

Ib Enzyme Lab Report

Investigating the effect of changing substrate concentration on the activity of the enzyme catalane The aim of this experiment is to examine how the concentration of a substrate (hydrogen peroxide) affects the rate of reaction of an enzyme catalyst (found in liver cells) Research Question: how does changing the concentration of the substrate affect the…

Unknown Bacteria Lab Report

The two streak plates made from the mixture of unknown bacteria showed two different colony morphologies. Colonies of Bacteria A were translucent in color, circular in form, with entire margins and a smooth surface. Colonies of Bacteria B were cream colored, irregular in form, with undulate margins and an ambulate surface. Two different morphologies allowed…

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Bioinformatics Lab Report

Using a classicist approach, we constructed a hypothetical phylogeny tree of many different plant tax by comparing their morphologies. We first decided to sort the various types of plants into groups based on morphological features. After sorting these plants into five different groups we began to determine how the plants differed from catheter in the…

Enthalpy Lab Report

The theory behind this experiment is the heat of a reaction (AY) plus the work (W) done by a reaction is equal to the enthalpy (AY-A) of said reaction. The purpose of this lab is to calculate the enthalpy of a reaction between zinc and hydrochloric acid through the equation AY+W, which can also be…

Formal Lab Report Graphing Anaylsis

Fire is a chemical process. Three elements are needed for this process: oxygen, heat and fuel. Without one of those elements a fire cannot start or continue. Purpose: The aim of the laboratory exercise is to determine the time it takes for the flame of a candle to die out. The purpose of the experiment…

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

Orca is a proprietary software tool suite used primarily for electronic design automation. The software is used mainly to create electronic prints for manufacturing of printed circuit boards, by electronic design engineers and electronic technicians to manufacture electronic schematics and diagrams, and for their simulation. The name Orca is a portmanteau, reflecting the software’s origins:…

Osmosis Lab Report

The progress in which a cell is in its balanced state is called equilibrium. Diffusion is a functioning way for cells to reach their equilibrium. Equilibrium is reached by controlling what enters and exits the cell through a cell membrane that selectively filters molecules by slowing down their movement, allowing them to pass through, or…

Lab Report

In this experiment, we used the law of definite proportions to find the chemical formula for a hydrated compound containing copper, chlorine, and water molecules locked in the crystal structure of the solid compound of Copper Chloride Hydrate. First we will gently heat a sample of the compound to drive off he water of hydration….

Lab Report on Microbes Are Everywhere

I would define an addiction as a behavior or activity that is psychologically and/or physiologically habit forming that a person chronically feels compelled to repeat. 2. Name three examples of common, socially acceptable addictions. Backbone, Coffee, Shopping. 3. Name three examples of common, socially unacceptable addictions. LSI, Cocaine, Heroin 4. What are three common challenges…

Diels Alder Lab Report

Be sure to address any questions posed in the lab procedure as well as any additional questions that your TA wants you to answer. You should also analyze any NORM spectra that you have from the reaction (if applicable). Spectra of starting materials are available on the Vista site. This reaction was carried out using…

Dna Extraction Lab Report

The mount of egg yolk in test tube, the drops of enzymes. Procedure : 1. The egg is cracked open and gently separate the yolk from the white into a small bowl. 2. Then add a spoonful of salt and a few drops of water to the yolk. 3. Use a glass rod and mix…

Proof of Alcohol Lab Report

Proof of the Alcohol Solution: (Percent of Alcohol Based on Volume) (2) = Proof of the Alcohol Solution = (17. 6 96) (2) = 35. 2 Conclusion The experiment was very successful. The experiment went exactly as planned in all three parts. In part I and II of the lab, density of ethanol and water…

Egg Lab Report

The purpose of this experiment is to show the effects of osmosis on the De-shelled egg. I hypothesize that the egg will increase in size in the vinegar and shrink in the syrup, staying relatively the same size in the water. Methods: Fresh boiled and shelled eggs is used in this experiment. The eggs were…

Design of Electronic Circuits Lab Report

The ability to analysis a circuit gives a potential electrical engineer the ability to learn how o problem solve in a theoretical and practical sense which in turn develops industry skills in which will follow them for life, and allow a solid knowledge base for the rest of their career. This report covers the analysis…

Volumetric Analysis Chemistry Lab Report

It must be understood that the number of moles of the reacting Noah and the number of moles of the product Nag acid, must both equal (in this case 1 11) in order for the calculation to find the molar mass to work. Procedure: Begin the procedure by first making sure all glassware has been…

Neurophysiology Lab Report

Continue to increase voltage by 0. V and click single stimulus until you find Max voltage. Maximal Voltage = 10. V Record data Activity 2 Mechanical Stimulation 1. Clear the oscilloscope. 2. Drag the glass rod over the nerve, and release it to indicate the rod is touching the nerve. What do you see on…

Steam Distillation

Water was largely used as a solvent. A polar solvent used was Decontaminated. The drying agent used was Calcium Chloride. An acid and a base used were hydrochloric acid and Sodium Hydroxide, respectfully. The equipment used were a thermometer & holder, separators funnel, classes adapter, 3-way adapter (distillation adapter), triple neck round bottom flask, west…

Miracle Gro Lab Report

Two days after “planting,” my group measured the seed with the greatest rate of growth: 0% exhibited 2. 5 CM of growth, 1. 25% had 0. 9 CM, 2. 5% showed 1. 2 CM, 3. 75% displayed 0. 8 CM, and 5% had 0. CM of growth. As evidenced by the data collected, the height…

Determining the Stoichiometry of Chemical Reactions

Mole ratios are used as conversion factors between products and reactants in many chemistry problems. The optimum ratio, which is the psychometric ratio in the equation, arm the greatest amount of product, and, if the reaction is exothermic, generate the most heat and maximum temperature change, Double replacement reactions are generally considered to be irreversible….

Projectile Motion Lab Report

The two pictures below demonstrate the calculations from Trial 1 at 00 and Trial 1 at 450. In this experiment we did five separate shots from the cannon at 00, and 3 separate shots at 450. We determined the average distance of the shots from each angle by using a meter stick. We were then…

Tlc Lab Report

Food color additives are dyes, pigments or substances that impart color when applied to a food, drug, cosmetic, or the human body. The Food and Drug Administration (FDA) is responsible for regulating all color additives used in the United States. All color additives permitted for use in foods are classified as “exempt from certification” or…

Asexual Propagation Lab Report

In this process, adventitious roots are seen in the growing cycle. Adventitious roots are those that grow form parts of the plant that they normally would not grow from. The cuttings must do this in order to form a completely new plant. There are multiple methods of asexual propagation; some include cuttings, layering, division, and…

Osmosis Lab Report

The result was that the more sucrose in the bag, the greater the final mass. Introduction: The reasons for doing this lab are so that we can learn about osmosis with a model similar to a cell and so that we can have a better understanding of the process and nature of osmosis. Osmosis is…

Biology Osmosis Lab Report

The results illustrated that increased incineration gradient increases the rate of diffusion of water in the tubes. We concluded that as concentration of the solution increases, the diffusion rate of water out of the tubes increases proportionally. Introduction The cell membrane serves many purposes, such as regulating the transport of material into and out of…

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…

Lab Report Compound Pendulum in Different Medium

Pendulum in different medium Rural Corselets Oasis Introduction An oscillating object is a mass that follows a pattern that causes the mass to return to its initial position after completing one complete oscillation in a constant certain amount of time. This experiment aims to show how the medium that a simple pendulum is traveling though…

Pill Bug Lab Report

In this experiment we tested the pill bug Armadillos vulgar to see if it had he ability to make two consecutive right turns. We expected the pill bugs to go on either path; one path with all left turns and the other with all right turns, to prove the turn alternation theory wrong. I expected…

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