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Lab Reports

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:…

Enzymes in chemical reactions

Enzyme Lab Report Introduction: Enzymes are proteins that enable chemical reactions. In the enzyme lab, the effects of concentration, temperature and pH on the functionality of the enzyme catalane. The enzyme lab was also about measuring reactions by capturing the oxygen that was generated by the reaction. Materials and Methods: Experiment I, 2, gamma; 3…

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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…

Report Template

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…

Transpiration Lab Report

Plants transpire the least when it is dark and there is lots of humidity. Photosynthesis does not occur without light and the humidity prevents water from diffusing out the leaf. RESULTS: [pick] DISCUSSION: Our class data showed that the transpiration pull was the second highest in humidity and in the dark. This data is incorrect,…

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…

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…

Antibiotic Lab Report

Control: Quadrant 4 with no antibiotic Constants: Temperature, bacteria, Petri dish, agar, nutrient broth, time Manipulating Variable: Antibiotics (Penicillin, Neomycin, Erythrocytes) Responding Variable: Zone of inhibition Materials: * Petri dish * Nutrient broth * Cotton swab * 37 degree Celsius incubator * Forceps * Ruler * Permanent marker k tape Procedure: 1. Gather supplies 2….

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,…

Diffusion and Osmosis

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….

The rotor speed

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…

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…

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…

Enzymes as catalysts

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…

Plasma Membrane

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…

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…

Laws of Conservation of Matter and of Energy

The Iced Tea Debate The Salty Soup The Fire Bug 2 Use the DATA chart provided for recording observation based on three demonstrations you will watch 3 Watch each part of the experimental demonstration and make predictions about what will happen in each scenario . Record your predictions and observations in the Data an Observations…

Tensile lab report

Referring from the resultant graph, we can see that the obtained graph line is straight until the one point it decrease gradually and be rupture. This shows that both variables on the graph are linearly related with each other. From the data obtained, we identify types of fracture surface of mild steel under tensile loading….

Power Phys Lab Report

What was the average resting cardiac cycle length? The average was 832 ms b. What was the average exercising cardiac cycle length? The average was 408 ms c. The range of normal resting cardiac cycle length is between 818 and 858 ms. Did average cardiac cycle length increase, decrease, or not change with exercise? The…

Immune System Lab Report

During this lab activity, my partner and I will test the effectiveness of different hand-washing times, techniques, and materials. The objective of this activity is to answer the question: How long does it take to effectively wash your hands? I hypothesize that it takes around 35 seconds to effectively wash your hands, because it takes…

The break down of hydrogen peroxide

The oxygen can b e observed as bubbles coming from the reaction site. Catalane is found in m any living tissues of organisms, including chicken liver. The purpose of this experiment is to determine what changes in pH, temperature, and enzyme e concentration have on the rate catalane works to break down hydrogen peroxide. If…

Lab Report Flowers Fruits And Seeds

How many petals does this flower have? 6 2. How many stamens does this flower have? 5 3. How many stigmas does this flower have? 1 4. Is this the flower of a monocot or a idiotic? Monocot 5. Explain your answer for question #4. This flower has petals multiple of 3. The petals also…

Benzoin Lab Report

Introduction/Background: Introduction: Discussion of the mechanism of the performed reaction; discussion of why evenhandedly is air-sensitive. Step 1: Deprivation of the thiamine: Noah attacks thiamine and deportations it. There is a formation of a carbine, which is very reactive. Step 2: nucleotide attack of the evenhandedly by the depredation thiamine: Step 3: A carbine is…

Bio lab report on insulators

Foam is 5 percent air so the air molecules slow down the heat transfer from the liquid, so it stays warmer longer than cotton insulation. This leads me to predict that foam would be the best insulator, as it would trap the heat more, which will cause deficient heat lost. Identification of Variables There are…

Bt Corn Lab Report

Why was it made? Bit corn was produced to combat the species of caterpillar pest called Lepidopterist. It was made to take care of one of these types of caterpillars specifically, the European corn borer. Bit corn is made to include the gene from Bacillus trustworthiness. This bacterium lives naturally in soil. It produces a…

Calculation for uncertainty of the mass of water

The mass of the water is taken in 5 decimal places, therefore, the uncertainty of its mass is extremely small, and hence, it is negligible. Calculation for uncertainty of the density of water The gradient of the minimum slope is 995 The gradient of the maximum slope is 1040. 2 The uncertainty of the density…

Flexibility Lab Report

Though it is commonly accepted that the sit-and- reach produces an accurate and relative measure of a person’s flexibility, the Aladdin of the test has been examined a number of times (Jackson and Baker, 1986). A common issue with the sit-and-reach test is revealed when one of the subjects taking the test has disproportionate arm…

Graphing Lab Report

As going along with the procedure as follows my group put a meter stick vertically against the wall, secure the ether stick to the wall with two strips of tape so it could hold together The Next Step after that was, to drop the ball as close as possible to the meter stick and measure…

Lab Report

To experimentally determine the centre of pressure on fully and partially submerged vertical plane surfaces and to compare that with the theoretical center of pressure. 2. Theory A fabricated quadrant is mounted on a balance arm which pivots on knife edges. The line of contact of the knife edges coincides with the axis of the…

How populations evolve by means of natural selection

My research was conducted to explain how populations evolve by means of natural selection. In 1859, an English naturalist by the name of Charles Darwin first suggested an explanation for how evolution occurs, a process he called natural selection. Natural selection can be defined as the differential survival and reproduction of individuals with different phenotypes…

Lab Report Discussion

We have made four set-ups in two different specimens. Onion and Boat of Moses skin with water, 2%, 5% and 10% salt (NCAA) Solution. Based on our experiment, the result of the set up explains that the presence of the salt solution results in outward diffusion of water and the collapse of the protoplasm. In…

Physics Lab Report

The period remained the same as the mass increased. LLC. As the arc of swing increased, did the period (T) increased, decreased, or remained the same? The period of swing decreased as the period (T) increased. AAA. From the data table 1 construct a graph of periods (T) (Y axis) vs… Length (m) (X-axis) b….

Electric Circuit Lab Report

A millimeter is an instrument designed to measure electric current, voltage, and usually resistance, typically over several ranges of value. The millimeter has different programs to measure voltage, current, resistance, etc. Produced from one of two types of circuits. The first type of circuit is a series circuit. A series circuit is a circuit in…

Continuous Stirred Tank Reactor In Series Lab Report

A type of reactor used commonly in industrial processing is the stirred tank operated continuously. It is referred to as continuous-stirred tank reactor. (CAST), and is used primarily for liquid phase reactions, [l] In a CAST, one or more fluid reagents are introduced into a tank reactor equipped with an impeller while the reactor effluent…

Behavior Of Gases

According to Charles Law, fifth pressure Of a gas is held constant, as the gas is heated, its volume Will increase and that cooling the gas will cause the volume to decrease. Charles law describes that of the Gay. Lucas law, who had actually referenced unpublished work of Charles. The law states that at a…

Acid Rain Lab Report

Acid rain on plant -Background information Unpolluted rain is normally slightly acidic, with a pH of 5. 6. Carbon dioxide (CO) from the atmosphere dissolves to form carbonic acid. Acid rain is rain that has been made acidic by certain pollutants in the air. Acid rain is a type of acid deposition, which can appear…

Projectile Motion Lab Report

An object in a projectile motion moue horizontally with no acceleration and vertically with the gravitational acceleration at the same time. This experiment is to investigate projectile motion using experiments, equations and comparing the expected and experimental data. Procedure: Case I: Use formulas to find equation of horizontal Range (R) in a projectile motion. Rearrange…

Population Pyramid Of Afghanistan

As the oral’s population grows, improving living standards without destroying the environment is a global challenge. Crude birth rate is the nativity or childbirths per 1,000 people per year. Total fertility rate, which is the average number of children born to each woman over the course of her life. The crude death rate, is the…

Electrostatic Charges

As there were five similar experiments done, there is one common observed behavior – similar charges repel and opposite charges attract. The experiment went expected as there were no unusual observations recorded. In the first part, it was observed that when the plastic rod was rubbed it attracted the tissue bits. The explanation with this…

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…

Lactase Lab

Both plots of data were hen used to find at which concentrations of NP absorption levels, and thus enzyme activity rates, were at their highest across each of the three pH solutions. Based on the results of both experiments, it was found that a pH of 5 is the optimal pH for the productivity of…

Antimicrobial Lab Report

Chemotherapeutic agents are antimicrobial chemicals (natural or synthetic) that can be used internally or may be absorbed. The purpose of antimicrobial drugs is either to inhibit virus replication, without harming host tissues or to interrupt the cell processes or structures of bacteria, fungi, and protozoa. This lab has brought great interest to me because this…

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