Genuine Lab Report Examples

Lab report example

These concepts makes it possible for astronomers to estimate how big objects are, therefore, the purpose of this report was to carry out the apparent measurement of the angular size of the moon using the concept of angular diameter. Procedure: Materials A ruler Two index cards A pencil A paper for β†’

Synthesis of -carbolines as novel cdk4 inhibitors – lab report example

The failure of the method involving formation of aromatic product followed by reduction of pyridine ring to -carbolines triggered for the exploration of another method. The kinase works in phosphorylation of the retinoblastoma gene product thereby helping in preventing the occurring mutation of the genes responsible for the tumuourigenesis of various types of cancer 2.

Purpose

Measure and record the total mass of the flask and all its contents. Record the mass of the flask, water, and the tablet.4.

Lab report osmosis

The purpose of the study was to calculate the rate of osmosis in artificial cells containing different concentrations of sucrose and water. Introduction The main purpose of this paper is to assess the rate of change with osmosis for different concentrations of sucrose in artificial cells. Since the human body is composed β†’

Microbiology: unknown organism – lab report example

The area around the microorganism was observed for clarity, which was a positive indicator for the ability of the microorganism to hydrolyze casein. 3. Sulfide production: There was the formation of a black precipitate in the tube containing the SIM medium and the bacteria because of the growth of the unknown microorganism. 5.

Crayfish – lab report example

Thus, the change in the body temperature will affect the biochemical reactions in the body of an ectothermic species. Effect of Climate and Weather Fluctuations on Physiological Process of Ectotherms Especially Crustaceans Change in climate and weather affects the physiological and biochemical process of ecthotherms because ectotherms' body temperatures are dependant to the surrounding environmental β†’

Experiment 12: calorimetry and hess’s law

9 mL | Temperature of hot water | 550 C | Part A Calculations Mass of cold water | 49. By using | qHW| = | qCW |+ qCal, we can find the heat of reaction of the cup and multiply that by the change in temperature to find the heat capacity.

Audiometry – lab report example

Audiometry Audiometry Introduction The technique and the strategy used to identify and examine the nature of loss in hearing as well as determination of the hearing threshold. The device was used to plot the chart graphs for the results of the experiment.. Methodology The procedure of performing the experiment was the same β†’

Source of error – lab report example

Formally, the law argues that the acceleration of an object as a result of net force is absolutely correspondent to the intensity of the net force, in the similar direction of the net force and inversely correspondent to the mass of the object. Therefore Newton's law can also be expressed as; mg= a β†’

Density of liquids lab report paper

Density is the ratio of mass to volume. Density= Mass / Volume Density of matter d g/ml Mass of matter m g Volume of matter V ml The SI base unit of mass and volume are β†’

Marta gebregziabher

E-Stilbene is a hydrocarbon with a double bond and with phenyl groups attached to each side of the double bond in a such a way that the configuration is in the trans formation. The melting point should be a combination of two melting points for the meso product and the d/l product.

Electrical and electronic principles – lab report example

The charge Q in a circuit is dependent on the amount of voltage present and in turn this influences the current measured on the circuit. The phase angles of both current and the voltage in this circuit have equal but opposite magnitude.

Moving charge create a magnetic field – lab report example

The magnetic field created in turn exerts a force on the moving electric charges which is given by: Since the electric current consists of moving charges, the magnetic field can also exert a force on a current and for a straight wire with length L carrying current I, the magnitude of the force that is β†’

Pyrolysis of aryl sulfonate esters in the absence of solvent: e1 or e2 – lab report example

Pyrolysis of Aryl Sulfonate Esters in the Absence of Solvent: E1 or E2 Pyrolysis of Aryl Sulfonate Esters in the Absence of Solvent: E1 or E2 Chemistry Lab Report 28 November High purity alkenes can be produced by pyrolysis of aryl sulfonate esters that contain a basic substituent. It also intended to pyrolyze β†’

Lab report on chemical testing of water sample for contaminants

A little amount of the solvents was poured into beakers and some of the substance in its solid form was added in and the beaker was swirled for a couple of seconds and either the substance dissolved or did not. The tests resulted in the substance being soluble in water only and insoluble in both β†’

Light and its characteristics – lab report example

As the sub-field of physics, optics essentially focuses on the entire study of light and its characteristics. The correlation between the angle of reflection and the angle of incidence is largely determined by the focal length and the object distance.

Biology lab report (osmosis expeirement)

In the other bag, that I had placed fifteen percent of sucrose and the beaker of dH2O the weight decreased unevenly. In the last bag, I did not expect these results. This is because I thought that according to the theory of osmosis there will be an increase in weight.

Chemical engineering – lab report example

For instance, process of fixed bed, where both countercurrent and concurrent liquid and gas flow are permitted, and for either of these both flow of bubble, in which the gas flow is discrete, and dribble and the liquid is the continuous phase. Amongst which the most striking one is the co-current three-phase fluidization with the β†’

Lab report example

These occipital condyles are projections from the bottom of the skull that attach the skull to the atlas and axis of the cervical vertebrae. This means that the brain is posterior to the eyes and thus a trait of primitive hominids.

Example of report on cell transport lab report

Introduction The neurophysiology of nerve pulses in the cell were the subject of the online laboratory experiment in order to better understand neuron communication from inside a cell to the outside of a cell. The concentration and type of ions solution inside the cell and in the extracellular region influence the potentials β†’

Bio lab report

Ye Tao BISC220-13155 The Effect of Temperature on the Digestion of Starch by Activity of Enzyme ? -Amylase: Observationof Rate of Starch Disappearance through Iodine Test Introduction An enzyme is a type of protein that, through its own structure including hydrogen bonds, acts like a biological catalyst and is able to accelerate the biochemical β†’

Sci103- science and technology course_ phase 3_ip3 – lab report example

Notice that each site you visit has a distinctly different surface, which could affect runoff. One Inch of Rainfall Shallow water infiltration Deep water infiltration Runoff water Evaporation water Vegetation 25% 25% 10% 40% Mountain 10% 5% 60% 25% Bare soil 20% 15% 35% 30% Section 2: β†’

Example of diffraction and interference of light wave: lab report

Constructive interference is seen as bright patterns on the screen while the dark fringes are as a result of destructive interference. Double slit Double slit arrangement For slit separation d, the condition for constructive interference satisfies the equation dsin = m Where d = slit separation, m = 0, 1, 2, 3 β†’

The physical properties of metals and their corrosion – lab report example

Introduction The purpose of this laboratory is to determine the physical properties of metals and the effect of corrosion on the metals. Further, the experiment also helped in comparing the properties of different metals and to the respective alloy.

Molar mass of a volatile gas – lab report example

Molar Mass of a Volatile Gas Chemistry Lab Report 08 April Molar Mass of a Volatile Gas Objective The main objective of this experiment was to determine the molar mass of a volatile gas using the ideal gas equation. Materials and Apparatus Volatile liquid A pair of goggles A beaker β†’

Infrared spectroscopy structural determination – lab report example

Infrared spectroscopy structural determination Infrared spectroscopy structural determination Infrared spectroscopy is the spectroscopy that ideally, handles the infrared zone of the electromagnetic spectrum, which usually comprises of light that has lengthy wavelengths and generally has very short frequencies. The path length determines the can be used to determine the concentration of the compound β†’

Lab report: titration lab

The procedure: The first part of the laboratory experiment will be the preparation of the reactants and the choice of an indicator. You will need to prepare the analyte, a solution of NaOH, of a chosen concentration and volume and prepare a solution of HCl, the titrant, accordingly.

Catalase lab report

If the speed is surpassed, bonds begin to break and the enzyme becomes less effective. The purpose of this lab is to test the effects of different variables mixed with the reaction of hydrogen peroxide and yeast, yeast being the catalase. Another variable that was tested was the temperature of the water β†’

Acids and alkalis lab report

Hypothesis: The strongest alkali will need the smallest amount of an acid to cancel out and the weakest will need more acid. 15 minutes until rings of white salt were formed.| Analysis: The weakest acid needed the most alkali to be made into salt and the strongest needed the least.

Radish seed lab report

Hypothesis: If the radish seeds put in the dish with the drink Monster, then the seeds will grow faster because of the amount of energy given to them. Fold the towel over the seeds and put the top of the petri dish on 7.

Free fungi lab report essay example

Hypothesis: The experiment was done to analyze the making and growth of fungi. Materials: Following materials were used: - Plastic bags - Cross-section of bread - Microscope - Glass Slides - Forceps - Marker Duration: The experiment can take from three to seven days depending on the climate and conditions. First Method β†’

Popcorn lab report

Table 3 showed that the average size of popped kernels of Orvill Redenbacher was larger than Act II. 5 Discussion The results showed that Orvill Redenbacher brand had faster cooking time than Act II and weighed more overall.

Bioinformatics – lab report example

This E value is high; its significance is low in relation to Down syndrome. Protein 2 is EGW12244. This protein has an E value of 1 and is related to Down syndrome since the E value is very low.

Moment and equilibrium – lab report example

05 + RA = 20 + 15 + 10 19. 95 CaseIII 0 = P1 X 1 + P2X2 + W + L/2 Rc + L 0 = 20 x 0.

Measuring the concentration of carbon monoxide using gas detection tube – lab report example

Measuring the Concentration of Carbon Monoxide Using Gas Detection Tube The paper " Measuring the Concentration of Carbon Monoxide Using Gas Detection Tube" is a perfect example of a lab report on chemistry. The main objective of this experiment was to use a gas detection tube which is a portable CO β†’

Atomic weight of magnesium – lab report example

By measuring the amount of gas produced, the molecular weight of Magnesium was calculated. Upon doing the experiment, it was verified that the use of balanced equations can accurately calculate for the molecular weight of Magnesium, which is 24. After measuring the amount of Hydrogen produced, the molecular weight of Magnesium was calculated. β†’

Acid-base equilibria – lab report example

87 10 TITRATION #2 NaOH VINEGAR 0 0 45. 257 mmol H3O+ The concentration of acetic acid in vinegar therefore: 8.

Tin melting experiment – lab report example

Tin Melting Experiment Tin Melting Experiment 3-8-11 Group 6 Summary This experiment was conducted to identify the melting point of pure Tin. This experiment was conducted to determine the melting point of pure Tin from the Tin cooling curve.

Measurement of the turbidity of raw water and study the effects of coagulation and flocculation – lab report example

Measurement of the Turbidity of Raw Water and Study the Effects of Coagulation and Flocculation Measurement of the Turbidity of Raw Water and Study the Effects of Coagulation and Flocculation Explain the difference between coagulation and flocculation processes. Both methods are useful for waste and raw water treatment purposes. Introduction of the β†’

Spaghetti hydration lab report essay sample

During each trial, the duration in which the spaghetti is cooked will change, and due to the change of time, we will be able to observe the changes of mass of the spaghetti. It is believed that when the water is boiled and the spaghetti is being cooked, the mass of the spaghetti will increase β†’

Round-trip copper reactions lab report

In the second reaction, distilled water was added to the copper nitrate solution until the beaker was half full. This was due to the formation of aqueous copper sulfate, which produced the copper ions to change the color of the solution.

Lab report

Introduction: Benedict's tests allows for the detection of the presence of reducing sugars. The copper sulphate present in Benedict's solution reacts with electrons from aldehyde or ketose group of reducing sugars to form cuprous oxide, a red brown precipitate.

Geomechanics lab report

One part of the soil sample was coarse grain gravel for the particle size distribution chart and sieve analysis, whilst the remaining 500 grams of soil was of the fine-grained fraction. To determine the number of blows the handle of the mechanism was rotated at a speed of two blows per second and the number β†’

Biotechnology lab report examples

2 mMol NaB and the 0. 2 mMol NaB and the cells treated at 0.

Ap biology lab report for population genetics and microbiology essay sample

Lastly, mutations are a case for evolution in that the rare changes in DNA cause genetic diversity. One of the reoccurring themes in the laboratory procedure is the Hardy-Weinberg Equilibrium Theory. 5, the students hypothesized that essentially only 50% of the population would survive, while the allele frequencies were rather consistent. Materials

Ap bio pglo transformation formal lab report essay sample

Also, the transformed solution with just LB and ampicillin would produce bacteria colonies but the transformed solution with LB/ampicillin/Arabinose would produce glowing bacteria colonies (as Arabinose allows the GFP gene to be expressed, but in both cases bacteria colonies would be present because of the gene of resistance to the antibiotic, ampicillin). We essentially β†’

Vapor pressure and heat of vaporization lab answers report

The interface was connected to the computer with the proper cable. Using clear tubing, the white rubber stopper was connected to the Gas Pressure Sensor, and the white stopper snugly twisted into the neck of the Erlenmeyer flask. After the stabilization of the pressure and temperature readings, the " keep" button was clicked to record β†’

Geomorphology 2 – lab report example

The radiocarbon age-based sedimentation rate is considered unrealistic and cannot relied upon because of the fluctuations witnessed in the rate of production of carbon 14 at the top of the atmosphere. What are the sedimentation rates for radiocarbon age-depth curve and calibrated age-depth curve From the gradient of the curve, The sedimentation rate for β†’

Geography – lab report example

Additionally, Yellowfin Tuna's capability to reproduce quickly also aids in boosting their sustainability despite heavy overfishing especially in the unregulated regions. 3. Fish 1 Barramundi This is a US farmed fish reared in a sound and well-managed environment, hence it does not pose any danger to human consumption or other aquatic life. Fish β†’

Geomorphology – lab report example

Geomorphology GSC336, LAB DRIVING AND RESISTING FORCES Semester: Objective: Gain a deeper understanding of Driving and Resisting Forces by building asimple model and applying your knowledge, Data Matrix Slope angle Slope angle Shear stress (acts to impel material downslope) Normal stress 0 0 0 β†’

Bread mold experiment lab report

Title: Bread Mold Lab Purpose: The purpose of this lab was to test the effect of water on bread mold growth. Hypothesis: I hypothesized bread mold would grow faster if the bread was exposed to water. Materials: Bread Plastic cup Water Rubber band Plastic wrap Light Scale β†’

Free report on tensile test lab

The structure and mechanical properties of metals. The mechanical properties of materials.