Free essays on chemistry are educational resources that allow individuals to learn more about the science of chemistry at no cost. These essays cover a wide range of topics, from basic concepts in chemistry to more complex scientific theories and experiments. They provide insights into the chemical properties of various elements and compounds, the history of chemistry and its contributions to society, and the latest developments in this field. By reading these essays, students can deepen their understanding of chemistry and gain valuable knowledge that can help them in their academic and professional pursuits.
How Are Rubber Bands Measured
The sample essay on How Are Rubber Bands Measured deals with a framework of research-based facts, approaches and arguments concerning this theme. To see the essay's introduction, body paragraphs and conclusion, read on.I am going to investigate the extension of a rubber band, which I will submit to increasing Newton’s of force being applied in the form of 1N weights.PlanI will set the experiment up as follows:The rubber band will be attached to a retort stand, I will measure the…...
ChemistryForceMaterialsMechanical EngineeringPhysics
Amylase Breaks Down Starch
The folllowing sample essay on Amylase Breaks Down Starch discusses it in detail, offering basic facts and pros and cons associated with it. To read the essay's introduction, body and conclusion, scroll down.There are two ways that we could have consumed copper sulphate. Water pipes are responsible for transporting water, and some of them are made out of copper. Copper pipes can become rusted if there is high sulphate content in the water, basic copper sulphate is precipitated which can…...
Materials
Animal Behavior Lab Report
The folllowing sample essay on Animal Behavior Lab Report discusses it in detail, offering basic facts and pros and cons associated with it. To read the essay's introduction, body and conclusion, scroll down.This was done by creating palatable and non-palatable red, green, and purple prey out of flour and lard. They were placed on a feeding try in random arrays with the same relative frequencies twice daily. Our groups null hypothesis was that there would be no particular preference in…...
AnimalsAstronomyBiologyExperimentHypothesisZoology
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Mg3o2 Lab Essay
The sample essay on Mg3o2 deals with a framework of research-based facts, approaches and arguments concerning this theme. To see the essay's introduction, body paragraphs and conclusion, read on.I can’t have only 1 point connecting to zero to make a line of best fit because it would not be a very reliable line. Analysis The type of graph I have is as straight line in a positive correlation. The results are directly proportional which means as the mass of magnesium…...
ChemistryMaterialsOxygenPhysics
Essay Sample on Mpemba Effect Experiment
The Mpemba Effect is a phenomenon in which hot H2O freezes faster than cold H2O. This phenomenon was discovered in Tanzania, Africa, by a high school pupil named Mpemba. ( Kurtus ) Conduction, convection, radiation, and vaporization are methods through which heat can be transferred from one substance to another and are necessary in understanding the Mpemba Effect. When an object or liquid is at a different temperature than its milieus, heat transportation occurs so that all the organic…...
ChemistryEnergyHeatPhysics
Boiling Point Determination Lab Report
The sample essay on Boiling Point Determination Lab Report deals with a framework of research-based facts, approaches and arguments concerning this theme. To see the essay's introduction, body paragraphs and conclusion, read on.Should be based on observations made during the experiment. Evaluation of laboratory exercise type: On a separate page, each student should write a brief comment regarding 1) which lab method you prefer (inquiry-method, i. E. Problem-solving oriented, or traditional lab. Like this one. 2) group size (individual labs…...
ChemistryExperimentHeatMaterialsThermodynamicsWater
Double Edged Sword Example
This sample essay on Double Edged Sword Example provides important aspects of the issue and arguments for and against as well as the needed facts. Read on this essay's introduction, body paragraphs, and conclusion.Chemistry is one of the most important branches of scientific study to the human race, as the results of its understanding have made most of what entails modern life possible. Without a thorough understanding of chemical properties and processes, most of what people take for granted on…...
ChemistryMaterialsNatural EnvironmentPollution
Man And His Environment
This essay sample essay on Man And His Environment offers an extensive list of facts and arguments related to it. The essay's introduction, body paragraphs and the conclusion are provided below.Hence, energy flow through an ecosystem is non-cyclic and energy must be continuously supplied to the ecosystem. Suggested and excreted materials (e. G. Faces, urine) and dead organisms contain trapped chemical energy, which is released through the action of decomposer. Approximately 10% of net energy production at one tropic level…...
BiologyChemistryEcosystemEnvironmental ScienceFood WebNatural Environment
Photometer Experiment Transpiration
The following sample essay on photometer experiment transpiration dwells on its problems, providing shortened but comprehensive overview of basic facts and arguments related to it. To read the essay, scroll down. The transportation of water in the xylem, which is responsible to the transportation of water, is regulated by water potential. The difference between these water potentials causes water movement from a region with high water potential to a region with lower water potential. In addition, solute concentration, gravity and…...
BiologyChemistryWater
Enzyme Amylase Action On Starch Lab Report
This essay sample essay on Enzyme Amylase Action On Starch Lab Report offers an extensive list of facts and arguments related to it. The essay's introduction, body paragraphs and the conclusion are provided below.Enzymes are very specific; for example, amylase is the only enzyme that will break down starch. It is similar to the theory of the lock and the key. The enzyme is the lock and the key is the substrate; only the correct key could fit into the…...
ChemistryEnzymeExperimentPhWater
What Causes Anomalous Results In Chemistry
The following academic paper highlights the up-to-date issues and questions of Factors Affecting Osmosis. This sample provides just some ideas on how this topic can be analyzed and discussed. We will connect the calibrated gas syringe to the side armed flask. We will place the strip of magnesium ribbon into the side armed flask at the same time as putting in the bung and starting the stop clock. We will time how long the reaction takes until it is stopped…...
Chemical ReactionChemistryExperiment
Experiment with Pillbug Lab Report
The essay sample on Pillbug Lab Report dwells on its problems, providing shortened but comprehensive overview of basic facts and arguments related to it. To read the essay, scroll down. ABSTRACT Pill bugs live in an outside environment where they are able to get the necessary amount of energy from organic matter. This environment is where water and organic matter is plentiful. In there natural habitat, pill bugs are found in dark, damp places. Living in moist places is important…...
BehaviorBiologyExperimentLightWater
Hydrochloric Acid And Magnesium Ribbon
The sample paper on familiarizes the reader with the topic-related facts, theories and approaches. Scroll down to read the entire paper. This coursework is aimed to find out the rate of reaction between hydrochloric acid and magnesium in different temperature. The product of this chemical reaction is magnesium chloride and hydrogen.Safety:We should wear lap coat and wear goggles when doing this experiment, because acid is corrosive and irritant, especially when you boil it, it is very easy to spit into…...
Chemical ReactionChemistryHydrogenMaterialsPhysicsWater
Science Fair Essay Sample
This sample paper on Science Fair Essay Sample offers a framework of relevant facts based on the recent research in the field. Read the introductory part, body and conclusion of the paper below.Rock it out loud: discovering the location of harmonies that make your guitar sing. Purpose: To identify the locations of harmonics on an acoustic guitar and relate them to guitar string lengths. Hypothesis: If I pluck the sixth string of the guitar from frets nine- twelve, then those…...
DataExperimentGuitarMusical InstrumentsResearchSound
Unknown Bacteria Lab Report Gram Negative
The folllowing sample essay on Unknown Bacteria Lab Report Gram Negative discusses it in detail, offering basic facts and pros and cons associated with it. To read the essay's introduction, body and conclusion, scroll down.E. Coli is most commonly found in the intestines of warm blooded organisms. Most E. Coli strands are non pathogenic however, there are strands known to cause food poisoning. Introduction There are multiple reasons for identifying unknown bacteria. In research, it is a must to be…...
BacteriaBiologyChemistryGlucoseMicrobiology
Relationship Between Angle And Acceleration
This sample paper on Relationship Between Angle And Acceleration offers a framework of relevant facts based on the recent research in the field. Read the introductory part, body and conclusion of the paper below.As the angle of the slope incline increases, the acceleration of the model cart moving down it will also increase. I have predicted that acceleration is directly linked with the angle of the slope on which the object is moving. When coming up with this hypothesis, I…...
ExperimentForceFrictionGravityLovePhysics
Ap Bio Formal Lab Report
This essay sample essay on Ap Bio Lab Report offers an extensive list of facts and arguments related to it. The essay's introduction, body paragraphs and the conclusion are provided below. Effect of temperature on the rate of respiration in the case of big cricket versus the small cricket Mammary Lam Parch 10/26/2012 Introduction: Abstract: Cellular respiration is the basic process by which organism make energy and increases the chances Of the survival in the world. In this experiment, the…...
BiologyCarbon DioxideCellular RespirationChemistryEnvironmental ChemistryWater
Finding Young’s Modulus
This sample essay on Finding Young's Modulus provides important aspects of the issue and arguments for and against as well as the needed facts. Read on this essay's introduction, body paragraphs, and conclusion.Introduction Constanton is a copper-nickel alloy mainly used in the for its electrical resistance properties. It has a high resistance which is constant over a wide range of temperatures. I am going to find out the Young’s modulus of this wire and observe its behaviour. Apparatus Constanton Wire…...
ChemistryExperimentForceMaterialsMechanical EngineeringPhysics
Compare And Contrast The Content Theories Of Motivation
The essay sample on Compare And Contrast The Content Theories Of Motivation dwells on its problems, providing shortened but comprehensive overview of basic facts and arguments related to it. To read the essay, scroll down.Motivation is a complex concept to define and is persistently explored not only by psychologists but also by many global organizations. With reference to the Oxford dictionary, motivation is “a reason or reasons for acting or behaving in a particular way”. In contrast to the definition,…...
ContrastHuman NatureMotivationPsychologyTheory
How To Stop Air Pollution Essay
This sample essay on How To Stop Air Pollution Essay provides important aspects of the issue and arguments for and against as well as the needed facts. Read on this essay's introduction, body paragraphs, and conclusion.Pollution is the introduction of contaminants into an environment that causes instability, disorder, harm or discomfort to theosophists I. E. Physical systems or living organisms. [l] Pollution can take the form of chemical substances or energy, such as noise, heat, or light. Pollutants, the elements…...
Air PollutionChemistryClimate ChangeNatural EnvironmentOzone LayerPollution
Heat Transfer Laboratories and Industrial Processes
This sample essay on Heat Transfer Lab reveals arguments and important aspects of this topic. Read this essay's introduction, body paragraphs and the conclusion below. This occurs frequently in industrial processes, especially food preservation and sterilization, where the enrapture Of the food or Of the heating or cooling medium constantly changes (Afraid). The work reported here involves the investigation of unsteady state heat transfer in two cylindrical rods and the conformity of experimental results to different methods of theoretical analysis.…...
ChemistryHeatMathematicsPhysicsThermodynamics
Experiment and Study of Ball Rebound
This essay sample on The Bounce Of A Ball provides all necessary basic info on this matter, including the most common "for and against" arguments. Below are the introduction, body and conclusion parts of this essay. The balls will always be dropped from the chosen heights. E. g. 1 metre, 0. 8 metres, etc. After releasing the ball we will then measure the maximum height it reaches after bouncing. The ball I will test is: > Bouncy ball – it…...
EnergyExperimentFrictionHeatPhysicsReason
Stanford Prison Experiment Ethical Violations
The folllowing sample essay on Stanford Prison Experiment Ethical Violations discusses it in detail, offering basic facts and pros and cons associated with it. To read the essay's introduction, body and conclusion, scroll down.Ethics and the Stanford Prison Experiment by Philipp Zimbardo In 1971 Philipp Zimbardo carried out one of the most ethically controversial psychological experiment the ‘Stanford Prison Experiment’. Originally he aimed to study how much our behavior is structured by the social role we occupy. Describing the study…...
EthicsExperimentHuman NaturePrisonStanford Prison Experiment
How Does Distraction Affect Reaction Time
The sample paper on How Does Distraction Affect Reaction Time familiarizes the reader with the topic-related facts, theories and approaches. Scroll down to read the entire paper.Overall, distraction can affect human reaction time and this coincides with previous findings (Lee et al 2001). Introduction Human reaction time can be affected by many factors, one such example is distraction. Literature suggests that distraction can affect a person’s ability to react to a particular stimulus, In the sense that it increases the…...
ExperimentLearningNervous SystemPerceptionPhilosophyTime
Analytical Essay On Air Pollution
The sample paper on Air Pollution Essay familiarizes the reader with the topic-related facts, theories and approaches. Scroll down to read the entire paper. Why is air pollution such a serious issue? Air pollution is a serious issue now because many respiratory related deaths are caused by air pollution. Also air pollution disrupts the CEO-system and the effects will be too catastrophic for the future generations to overcome. The world leaders seem to pay very little attention to pollution because…...
Air PollutionChemistryOzonePollutionRespiratory System
Is Silly Putty Polar Or Nonpolar
The sample paper on Is Silly Putty Polar Or Nonpolar familiarizes the reader with the topic-related facts, theories and approaches. Scroll down to read the entire paper.The student conducted the experiment given, using safe lab practices, that found the polarity of two separate solvents, and it has been shown through experimental exults that the hypothesis formed in the beginning of this experiment is true. It has been deducted from this experiment that solvents which dissolve, or pick-up, water soluble inks…...
ChemistryPhysics
Procedural Error Titration
This essay sample on Procedural Error Titration provides all necessary basic info on this matter, including the most common "for and against" arguments. Below are the introduction, body and conclusion parts of this essay.The experiment practical I am going to do is all about the determination of the solubility of calcium hydroxide. This can be found by titrating the saturated solution against a solution of an acid whose concentration you know. The acid whose concentration we know is hydrochloric acid.The…...
ChemistryMaterialsTitration
Ib Chemistry Lab Report
This sample essay on Ib Chemistry Lab Report reveals arguments and important aspects of this topic. Read this essay's introduction, body paragraphs and the conclusion below.Open-minded Caring Risk-takers Balanced Reflective * the B learner profile This process will challenge your thinking skills more than you can imagine. We need to emphasize again and again; all of this work is about you growing as a student. In addition, we invest valuable time into lab experiences because we all LIKE doing lab…...
ChemistryDataHypothesisObservationResearchScientific Method
Daphnia Experiment Lab Report
The essay sample on Daphnia Experiment Lab Report dwells on its problems, providing shortened but comprehensive overview of basic facts and arguments related to it. To read the essay, scroll down.When the animal is warmer, the heart rate will raise – as long as the temperature isn’t sufficiently high to harm the animal. (Campbell, 2005) Alcohol is a depressant. This means that body systems will slow down when alcohol is introduced. In particular, the heart rate will get consistently lower.…...
CaffeineConcentrationDataEthanolExperimentHeart
Silver Nitrate Test For Alkyl Halides
This essay sample on Halohydrogenation provides all necessary basic info on this matter, including the most common "for and against" arguments. Below are the introduction, body and conclusion parts of this essay. Therefore, alkyl halides are compounds that have a halogen atom bonded o a saturated, SSP hybridism carbon atom. These could be classified according to the number of alkyl groups attached to the carbon that is bonded to the halogen atom. A methyl halide does not contain any alkyl…...
AlcoholChemical ReactionChemistryHydrogenMaterialsSodium
Kidney Stones Lab Report
This sample essay on Kidney Stones Lab Report provides important aspects of the issue and arguments for and against as well as the needed facts. Read on this essay's introduction, body paragraphs, and conclusion.Kidney stones are also referred to as renal calculi and are formed in the kidney as a result of buildup of minerals that are being excreted from the body as waste. This buildup can be caused by superannuation which is when there is too high of a…...
Chemical ReactionChemistryExperimentKidneyMaterialsTitration
What Is The Expected Wavelength At Maximum Absorption For Kmno4 Solution
This sample essay on What Is The Expected Wavelength At Maximum Absorption For Kmno4 Solution reveals arguments and important aspects of this topic. Read this essay's introduction, body paragraphs and the conclusion below.Abstract In this experiment, the absorbance of KMnO4 was measured by spectrophotometric method to determine the molar concentration and the molar extinction coefficient of KMnO4. In part 1, in order to determine the maximum absorbance wavelength of KMnO4, we measured the absorbance of the sample solution which contains…...
ChemistryColorLightPhysics
Zinc Reacts With Copper Sulphate
This sample paper on Zinc Reacts With Copper Sulphate offers a framework of relevant facts based on the recent research in the field. Read the introductory part, body and conclusion of the paper below.To investigate the affect of varying the amounts of zinc in the reaction between zinc and copper sulphate has on the rate of reaction. Background Knowledge My experiment is based on the theory of: ‘A more reactive metal can displace a less reactive metal from a compound’…...
Chemical ReactionChemistryCopperExperimentHeatMaterials
Sonnet 71 vs C. Rossetti’s Rememeber Compare and Contrast
The folllowing sample essay on Sonnet 71 discusses it in detail, offering basic facts and pros and cons associated with it. To read the essay's introduction, body and conclusion, scroll down. Shakespeare (15 64 – 1616) has made a large and varied use of the sonnet form. In many ways he has conformed to the traditional Pentrachian form and in other ways he has rewritten that tradition. In doing so he has formed the Shakespearean sonnet form that has become…...
ContrastLiterary CriticismPoetry
Peroxidase Lab Report
The sample paper on Peroxidase Lab Report familiarizes the reader with the topic-related facts, theories and approaches. Scroll down to read the entire paper.We were able to measure enzymatic activity by the change in absorbency per second with a spectrophotometer. By testing different concentrations of peroxides and its reaction rate in seconds, we were able to see that as the amount of enzyme increased the catalytic reaction also increased. The optimal amount of peroxides concentration to be used in the…...
Chemical ReactionChemistryEnzymePh
Reaction Of Alkali Metals With Water Lab Report
This sample essay on Reaction Of Alkali Metals With Water Lab Report reveals arguments and important aspects of this topic. Read this essay's introduction, body paragraphs and the conclusion below.Then, the test tube was lifted out of the water and kept in an inverted position. Finally, the gas collected was tested by bringing a burning splint to the mouth of the test tube. It was concluded that the Alkali metals were more reactive than the Alkaline Earth metals. When the…...
Chemical ReactionChemistryMaterialsNaturePhysicsWater
Chemistry Short Answer Questions
This essay sample on Chemistry Short Answer Questions provides all necessary basic info on this matter, including the most common "for and against" arguments. Below are the introduction, body and conclusion parts of this essay.Part I Multiple choice or short answer questions 1) (2 points) Identify a solid a. Definite volume and no definite shape b. no definite volume and no definite shape c. definite volume and definite shape 2) (2 points) A substance composed of two or a. A…...
Atomic TheoryChemical ReactionChemistryMaterialsPhysics
Enzymes Lab Report
This essay sample essay on Enzymes Lab Report offers an extensive list of facts and arguments related to it. The essay's introduction, body paragraphs and the conclusion are provided below.Activation energy is the lowest amount of energy needed to begin a chemical reaction (Campbell and Erect, 2008). Few biochemical reactions could take place quickly enough to satisfy the metabolic needs for living organisms without the aid of enzymes (Helms et al. , 1998). Biological enzymes used in cells are seen…...
BiologyChemistryEnzymeHypothesisPh
The Ponzo Illusion
This sample essay on The Ponzo Illusion reveals arguments and important aspects of this topic. Read this essay's introduction, body paragraphs and the conclusion below.The purpose of the present study was to determine the affect of brain stress on ponzo illusion. In addition the study examined the affect of presence or absence of converging lines background on judgments of lines length. The study sought to test Ponzo’s (1882-1960) hypothesis, referring to it as a misjudgment in a length of two…...
ExperimentHuman NatureResearch
Environmental Lapse Rate Definition
This sample paper on Environmental Lapse Rate Definition offers a framework of relevant facts based on the recent research in the field. Read the introductory part, body and conclusion of the paper below.The temperature measured at the ground is 15. Assuming that the air parcel moves adiabatically through the atmosphere, what will be its temperature at each pressure level up to and including 500 hap? Assume ground level is equivalent to 1000 hap) (4 marks). Height (hap)Temperature 500 -35 600…...
AtmosphereChemistryPhysicsThermodynamics
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