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Lab Reports

Thin Layer Chromatography Lab Report

Chromatography works on the principle that different impounds will have different solubility and adsorption to the two different phases between which are to be partitioned. Thin Layer Chromatography (TTL) is a solid-liquid technique. The mixture is observed when it is in two different phase; a solid (stationary phase) and a liquid (moving phase). Thin Layer…

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…

Crank And Connecting Rod Mechanism Lab Report

Crank and Connecting Rod Introduction- The motion of assemblies is determined by the configuration of links and joints. Using the configurations the operation of rotational and sliding joints are examined and observed. This kind of mechanism is very commonplace in machines. Machines are made up of a number of parts and relative motion between the…

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Hnd Biomedical Science

Determination of the concentration of ethanol acid in commercial vinegar Introduction: The aim of the experiment was to determine the military of ethanol acid in table vinegar by titrating a sample with alkali sodium hydroxide (Noah) with a known concentration of 0. 1 moll-I _ The equation of the reaction between ethanol acid and sodium…

Francolab

Enzyme Activity Name: Daniel Franco Instructor: Professor Jennifer Freer Date: 0308. 2015 Predictions Sucrose will have the greatest activity at 60 ?co (140 Sucrose activity decreases with increasing sucrose concentration Materials and Methods Effect of pH on Enzyme Activity Dependent Variable amount of product (glucose and fructose) produced Independent Variable pH Controlled Variables temperature. Amount…

Static And Dynamic Balancing Experiment Report

For archiving dynamic balancing, MI , MM, MM and MM need to stay with the same bearing, but also need to have the length of 6. CACM, 15. CACM, 17. CACM and CM respectively from one end of the scale. An object that imparts a vibration to its bearings when it rotates is defined as…

Gas Chromatography Lab Report Essays

Gas chromatography separates the component of a sample based on the ease with which they evaporate into a gas, also known as the volatility. The chemical mixture being analyzed is injected into the injection point and carried through the instrument by an inert gas, in this case Helium. The temperature of the injection point is…

When Will Reactions Proceed To Completion

I concentrated HCI (drops) Discussion Bunsen burner Most chemical synthesis involves separation and purification of the desired product from unwanted side products. Some methods of separation, such as filtration, sedimentation, declaration, extraction, and sublimation were discussed earlier. This experiment is designed as a quantitative evaluation of your individual laboratory skills in carrying out some of…

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…

How Should An Entomology Report Be Written?

In this experiment, the effectiveness of biological control is tested using lady beetles and aphids. Lady beetles are predacious coelenterate that feed primarily on aphids (order hemisphere). Aphids feed on a plethora of plants including peach, plum, and apricot. Aphids are also vectors of plant disease. Eight replicates were conducted. In each replicate a lady…

Swedish Ivy Propagation

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…

Yeast Fermentation Experiment

In this lab, the purpose is to measure whether the changes of substrate concentration will affect the rate of anaerobic respiration. Because the rate of reaction refers to how quickly the reactants are used up or how quickly the products are formed, one method is to measure the volume of gas given off, the more…

Physics Lab Report

Inspire Calculator was connected to the force sensor in order to track and create data that would be shown in graphs on the calculator. Because we had to compare the collision of the cart with the force sensor with and without the plunger, it would force us to run two trials in total (one run…

If You Increased The Agar Concentration To 10% (A Denser Gel), How Do You Think It Would Affect The Rates Of Diffusion

Introduction: The purpose of experiment 1 was to demonstrate the principle of simple diffusion and understand how to make % solutions. Exercise 2 demonstrated the principle of osmosis: observing the movement of water by osmosis from an area of lower concentration of a solute to an area of higher concentration of a solute. Materials and…

Pleurococcus

Leonardo line 8 RAM Lab report Measuring of fluoroscopes Background information fluoroscope is an extensive algae,it depending on the kind of environment an d produces the amount of plectrums depending on the environment. It allows you to use a small plots measuring the distribution and allocation of reality to identify relevant environmental factors organisms. 2….

Inertia Lab

Load is accelerating because weight(Fig=MGM) of the load is bigger than tension on a string so load is not in equilibrium and by Newton’s Second Law (F=ma) resultant Orca creates an acceleration. Resultant force can be calculated by the equation S=0. Data+UT to find acceleration and F=ma. String rotates the spindle which rotates the disc…

Molar Volume Of A Gas Lab Sources Of Error

Mrs…. Wolf Period:3 AP Chem… Lab Report: Determination Of the Molar Volume Of a Gas Objective: TO react MGM and HCI and form hydrogen gas, then after collecting lab data, determine the hydrogen gas’s molar volume at STEP through calculation. Materials: -Labiates data collector ; 3. MM of HCI solution – Ribbon of MGM metal…

Acid Base Titration Lab Report

Noah solution will be required to titrate 1. G of potassium hydrogen phthalate to the annihilate endpoint. 3) use brotherly blue or phenolphthalein. Week 2 1) Determine the military of the Noah prepared from precedent week. 2) Estimate how many mils of Noah solution will be required to reach the brotherly blue endpoint. 3) Identify…

Vitamin C Lab Report

None Of the final colors were similar to that With distilled water, showing that all of them had some amount of ascorbic acid. Quantitative Data In the following table, the test-tube with distilled water will not be taken into account as the DUCKPIN was not decolonize. Table 2: amount of volume required to discourses DUCKPIN…

Soil Lab Report Example

Observations/Data Record the observations and/or data you collected here. Describe the color, feel, and appearance of each soil sample. Sample 1: Play ground sand: khaki colored, feels rough, has more sand than rocks. Sample 2: Potting soil: black/brown-sis colored, feels some what soft, has little pieces of bark (woody stem, branches, and roots of plants….

Planaria Lab Report

One Planarian Labels Scalpel Pipette Petri Dish Ruler (mm) Spring Water Safety Concerns: Sharp Objects Proper Attire Procedure: 1) Wear proper attire before starting the experiment. 2) Pick up the planar Ian with a pipette and put in the Petri dish with spring water in the dishes. 3) Label the Petri dish with the names…

Diffusion Lab

Osmosis is the dispersion of water. Our cells are capable of absorbing nutrients because, the cell membrane is selectively permeable (some molecules can effuse freely through the membrane while others cannot). In this experiment we used dialysis bag as a model of the cell membrane. Our hypothesis was that the glucose will diffuse out of…

Cemetery Demography Lab

Patterns of survival vary depending upon the environment. Age is also an important component for many populations because fecundity and survivorship frequently vary with age. Humans are one species whose fecundity and survivorship are affected by age and the environment. One way that biologists attempt to distinguish patterns in survivorship rates is to use a…

Candle Experiment Lab Report

Record as many observations as you can. . After that, light the candle. Observe the candle when it’s burning for at least 5 minutes. Record. 4. Blow the candle out. Observe the candle until no more changes are taking place. Observation before burning: + white *solid + the wick is black (got burned) +smell fresh…

Penny Lab Report

Research Question: What is the percent composition of Copper and Zinc in a positive penny? Aim: The purpose is to determine the percent composition of Zinc and Copper metals in a post-1983 penny with the use of HCI. Variables: Independent Variable: percent composition of Zinc. Dependent Variable: percent composition of Copper. Controlled Variable: Military of…

Physical And Chemical Changes Lab Report

Sodium Bicarbonate, Sodium Chloride, Sugar, Sand, and Magnesium. Place small samples of each in the appropriate dishes. 2. Examine each sample with a magnifying glass and magnet and record your observations in the data table. 3. Put small samples of each substance in a test tube along with 3 ml of water to determine their…

Creep Test Lab Report

Support the beam by raising the support screw (l) until it slightly lifts the beam 3. Close the doors of the test area and switch on the main power 4. Adjust the temperature to a desired value by using the temperature controller S. Switch on the heater (E), 6. Wait for the temperature inside the…

Stroop Effect Essay

The ‘Strop Effect’ suggested that the word meanings were extracted when the participants were not attempting to process it. The original ‘Strop Effect’ was illustrated using color. Flowers et al. Developed another version of the ‘Strop Effect’ in 1979. Instead of using color the new version was illustrated using numbers. The task was to say…

Phenolphthalein Lab

The breasted-Lowry theory defines an acid as a hydrogen-ion donor, which basically means the element would donate an ion. Unlike a bas is a hydrogen-ion acceptor which takes on an ion. I learned ammonium is very soluble in water and accepts a hydrogen ion, so it would be a breasted-Lowry base whereas water is a…

Cellular Respiration Lab Report

The complex chemical reactions Of photosynthesis and cellular respiration help meet the energy needs of living things. (Cellular Respiration) In this experiment you will be testing the amount of carbon dioxide and oxygen produced or consumed during photosynthesis and cellular respiration. The weight of each of the insects was also a factor in determining the…

Density Lab Report

The density of water is 1, so in order to keep the film container from inking, the density of the sand-filled film container must be less than 1. The equation for density is D=m/V, where m is mass and v is volume. To find the volume of the film container, use the equation V=3. Array,…

Yeast Respiration Lab

The experiments tested yeast respiration in both, warm water at 42 degrees Celsius and at room temperature. The outcome of the experiment indicates the warm water is optimal for yeast respiration in comparison to cold water. Introduction Respiration is the process that converts sugar known as glucose to energy, in this case TAP (Adenosine Troposphere)….

Vitamin C Lab Report

The following graph shows this relationship even more clearly. The plots were joined using a trend line so that the trend can be seen more clearly, Graph 2: Concentration of ascorbic acid (M) against Volume added to decolonize DUCKPIN The following graph shows that the concentration of ascorbic acid (5) in the rest fruits (indicated…

Pharmacology Lab Experiments

The functional studies provided information regarding the presence of musician cholesterol that mediate contraction only. Thus radioing binding techniques were also employed to determine which musician cholesterol subtypes were present and their relative densities. In vitro functional studies: Experimental protocol l: The intent of this experiment was to determine the relative potteries of selected incurring…

Cardiovascular Lab Report

The heart rate, blood pressure (arm), and oxygen saturation (finger tip) are automatically monitored; however the nurse takes the patient’s pulse in the dorsal piped manually. Explain why the nurse is doing this and what are two major cardiovascular issues the nurse is looking for? Remember- think of the clinical setting (acute, NOT chronic). 3….

Colleus

The hormone again is applied to where the cut was made, and promotes adventitious root growth. If your cutting has adventitious root growth and a merriest it shall form into an entire new plant. 2. After taking our cutting we proceeded to remove leaves from it. We do this in order to fully maximize the…

Campus Area Network

The issue is that there is not sufficient time to obtain the right of way permission from the two entities who own the road and highway separating the buildings. Equipment Selection Radio Frequency Option After looking a few different radio wireless vendors I have found the following; Cambium Networks ePMP1000 to have the best implementation…

Sieve Analysis Lab Report

The objective of this experiment is to obtain the grading curve for both fine and coarse aggregate. 1. Balance – balance or scale used in testing fine and coarse aggregates shall have readability and accuracy as follows: For fine aggregate, readable to 0. 1 g and accurate to 0. 1 g or 0. 1 %…

Biosphere Lab

The purpose of building this was to measure survivability and to obtain useful research that could be helpful in furthering ecological understanding. There were two missions in which “Biospheres” were sealed inside to accomplish these goals. However, after the second mission it became a place solely for scientific research, not about human survival. For our…

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…

Rat Dissection Lab Report

The Public Meeting and Watchtower Study are often led on Sundays. The first is a 30-minute Bible-based lecture that is designed to be of interest both to members of the congregation and to visitors. The context of the bible based lecture was talking to your children about sex, the speakers started to explain how talking…

Distillation Lab Report

The purpose of this experiment is to observe what happens when two liquids with a boiling point of 79 and 100 degrees centigrade are heated together and allowed to boil over a specific period, to use the density to determine regenerate composition of ethanol and water and also to understand the process to separating a…

Metabolism Lab Report

The purpose of this lab was to see how the changes in exercise intensity affect the rate of metabolism within the body. Methods: In this lab, indirect calorimeter was used to measure metabolic rate by calculating caloric expenditure by the measurements of oxygen consumption. The variables measured were the fraction of oxygen expired, the fraction…

Quadrant Lab

The string has also been made sure that it is taut. . The biotic factors of the site is observed, such as whether the area is located in full sun or shade, or whether the soil is moist or dry. 4. An the square of 10 m, measure tapes are put on the ground at…

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…

Yeast Lab Report

The yeast breaks down sugars in the dough through glycoside and alcohol fermentation and produces a small amount of AT P, will also release carbon dioxide. The carbon dioxide produced by alcoholic fermentation causes the dough to rise. Carbon dioxide is made by yeast as a waste product and the quantity of carbon dioxide is…

How Is The Following Passage From A Cause-and-effect Essay Organized? When The Dominoes Were Placed On A Slanted Table, They Naturally Fell In The Pattern They Were Placed. First, The Red Set Of Dominoes That Were In The Shape Of Flower Petals Fell. Second, The Green Set Of Dominoes That Represented The Stem Fell.

Then the dominoes were tipped over, the time was recorded and laced on the data sheet. For the first trial (0. 5 CM) the length of all the dominoes were 29. 1 CM. It took . 32 seconds for the tow to fall, the average speed was 90. 9 CM/s. For the second trial (1….

Human Traits Lab

There are two types of genes, the dominant and the recessive genes. The dominants, often represented by a capital letter, are that when present, the living thing will have the characteristic. Recessive genes, represented by a lower case letter can be together with a dominant gene or another recessive gene. For example: suppose that in…

Seed Labs

There are steps that vary in germination, what first happens is the seed’s radical comes out and then the roots also come out. The next step is the embryonic shoot that includes the seed leaves. The rate of germination depends on the species of plant being grown and its environmental factors. In the experiment, students…

Acceleration Due To Gravity Lab Report

This lab was designed to calculate the acceleration of gravity using the Smart Timers. The theory predicts that g = CACM/so. In the class, the “g” most time is considered to be 9. Mm/so. Materials Yellow plastic ball The Smart Timers Iron Bracket Clamp Target pad Photostat The yellow plastic ball is as subjects. Iron…

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