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thermometers Essay Examples

200 total results

An Experiment to Determine Heat Loss in a Bath Tub in Relation to Its Size, Shape and Material (1740 words, 9 pages)

Physics Group 4Project After beingset our initial topic of the bath tub, we chose as a group to investigate theheat lost from a bath tub. We initiallyexperimented with ideas such as using different shapes, sizes and materials. Eventually, we decided that the easiestoption was to investigate how the thickness of ... Read More

An Overview of the Experiment, the Effect of Temperature on the Enzyme Catalase (1968 words, 9 pages)

Toinvestigate the effect of temperature on the enzyme Catalase. To investigate the effect of temperature on the enzymeCatalase.INTRODUCTION The aim ofthis experiment is to determine the effects of varying temperatures on enzyme(Catalase). We will conclude the experiment by establishing the enzymes optimumtemperature (the temperature at which it works best at). ... Read More

An Introduction to the Planning Experimental Procedures Equipment (1699 words, 4 pages)

I am measuring the rate of reaction (how fast a reaction takes) of sodium thiosulphate and hydrochloric acid. There are different variables I could use to see the change in the rate of reaction. These include temperature, concentration or catalysts. I am going to do two experiments, one changing the ... Read More

An Introduction to an Analysis of the Electricity (1524 words, 2 pages)

Planning Aim To find the amount of copper gains or loses on the electrodes using different amount of current each time during electrolysis. How does the changing of the current and surrounding temperature effects on the electrodes? Hypotheses Does the changing of the current matter to the amount of copper ... Read More

A Lab Experiment to Test the Different Concentrations of a Chemical Solution (912 words, 1 pages)

Planning Before the apparatus was set up the experiment had to planned as fairly as possible. This involved only changing one variable at a time, therefore all the other variables had to be kept constant. Firstly the mass of the chips was kept as similar as possible, I did this ... Read More

Factors Affecting the Rate of Reaction Between HNO3 and CaCO3 (999 words, 7 pages)

Aim The aim of the experiment is to investigate the factors affecting the rate of reaction between HNO3 and CaCO3, and why it affects the rate of reaction. Research Theories1)Kinetic Theory - particles, continuos random motion.2)Collision Theory - in order to react, particles must collide with a force sufficient enough ... Read More

A Comparison of the Enthalpy Changes of Combustion of Different Alcohols (860 words, 3 pages)

Plan. I plan to compare the enthalpy changes of combustion of different alcohols. As I know that combusting different substances produces differing amounts of energy, I plan to find out which alcohol, out of methanol, ethanol, propanol and butanol, produces the most energy when burned in air. I will do ... Read More

An Experiment on the Amount of Heat Produced When Magnesium Reacts with Sulphuric Acid (3275 words, 7 pages)

What changes can be made to alter the amount of heat produced when magnesium reacts with Sulphuric acid? When energy in the form of heat is given out of a reaction it is an exothermic reaction. Exothermic reactions usually need activation energy, the energy to break the bonds in the ... Read More

Determining the Relation of a Penguin’s Body Mass in Sustaining Body Heat (375 words, 2 pages)

HypothesisBigger penguins lose less heat than small penguins.Reasons for hypothesisAs the organism gets bigger the volume and surface area ratio decreases. This means that there is less surface area to lose heat from. Relatively little surface area in comparison to the birds volume conserves heat. The bigger penguins live closer ... Read More

An Experiment to Determine the Effect of Insulation on the Transmission of Heat (1007 words, 16 pages)

Planning Experimental Procedures - Effect of Insulation on the Transmission of Heat - Preliminary work - ? I have done an experiment on the effect of Radiation on two different types of surfaces. I used two boiling tubes, one with a silvered surface and the other with a blackened surface. ... Read More

An Experiment to Determine Factors Affecting the Rate of Cooldown of a Hot Drink (976 words, 4 pages)

Aim To investigate the factors that effect the time it takes for a hot drink to cool down. Equipment Cans to hold the hot water,Measuring cylinders,Lids,Bubble wrap plastic,Stopwatches,Rulers,Kettle,Digital Thermometers andRegular Thermometers. Variables and Factors The factors that could have effected the cooling time of the water, were The temperature of ... Read More

An Experiment to Determine the Effects of an Acid’s Concentration on Heat Produced in Neutralisation (1048 words, 5 pages)

The Problem We are trying to find out whether the concentration ofacid affects the heat produced in neutralisation.Background Knowledge The knowledge I know that will be relevantto the experiment is-Neutralisation always produces a saltAn alkali can neutralise acidAlkali's are not the only compounds that can neutralise acidsWhen acids and alkalis ... Read More

An Experiment on Hess’ Law (339 words, 1 pages)

Hess' LawWork to be doneFind enthalpy change by measuring temperature change of a reaction. Chemicals and apparatus Thermometer Scale Isolator NaOH, solid NaOH, 0.50M solution Acetic acid, 0.50M and 0.25MLab Reaction 1) The temperature of 200ml water that I poured into the isolator was 23.0C. To that I added 1.97g ... Read More

Determination of the Molar Mass of an Unknown Gas From the Gas Density (1872 words, 7 pages)

PURPOSE In this particular laboratory experiment, we are going to determine the molar mass of an unknown gas, from the gas density. We are also going to use gas density, along with the kinetic molecular theory, to explain the behavior of gas filled balloons. Finally, we are going to demonstrate ... Read More

The History and Development of Mercury Thermometers (334 words, 2 pages)

The QuicksilverChemistry IOctober 25, 1996 One day an ancient alchemist was sitting at his and noticed a strangesilvery liquid-like metal. He called several of his colleagues over to admire it.It was passed down through the years, this chemical reaction, that formed this"Quicksilver" as the alchemists called it. One day a ... Read More

The Importance and Uses of the Element Mercury (388 words, 2 pages)

MercuryMercury is a metallic element that is a liquid at room temperature, itis one of the transition elements. Mercury's atomic number is 80. It issuperconductive when cooled to within a few degrees of absolute zero. Mercurywas once known as liquid silver or quicksilver which was studied by thealchemists. Mercury was ... Read More

An Analysis on Enthalphy Change as the Name Given to the Amount of Heat Absorbed in a Reaction Carried out at Constant Pressure (653 words, 4 pages)

Evaluating An Enthalpy Change That Cannot Be Measured Directly.Dr. Watson.Introduction.We were told that sodium hydrogencarbonate decomposes on heating to give sodiumcarbonate, water and carbon dioxide as shown in the equation below-2NaHCO3(s) Na2CO3 (s) H2O (l) CO2 (g) DeltaH1This was given as deltaH1 and we had to calculate as part of ... Read More

An Analysis of Crygenics and the Use of Cold (868 words, 4 pages)

Cryogenics Is It Worth Waiting ForImagine being frozen in time to escape a deadly illness, then gettingwarmed when a cure is found. There is question on whether cryogenic methodsshould be used. To fully understand cryogenics a knowledge of cold, backgroundinformation on some branches of cryogenics, some problems with cryopresevation,and different ... Read More

An Experiment to Find the Enthalpy Change by Measuring Temperature Change of a Reaction (318 words, 2 pages)

Hess LawWork to be doneFind enthalpy change by measuring temperature change of a reaction.Chemicals and apparatusThermometerScaleIsolatorNaOH, solidNaOH, 0.50M solutionAcetic acid, 0.50M and 0.25MLabReaction 1)The temperature of 200ml water that I poured into the isolator was 23.0C. To that I added 1.97g solid NaOH and let the reaction take place. After ... Read More

A Research About Simple Open Looped System, Vehicle Frost Box (910 words, 2 pages)

Research ReportThe system I choose to research is a simple open-looped system called the Vehicle Frost Box. This system is used to informing motor vehicle operators that likely conditions for icy roads are developing. Black ice cannot be seen and is a prime contributor to vehicle accidents during the winter ... Read More

A Look at the Works of Tom Hallman Jr. a Writer (799 words, 2 pages)

Ian WeinreichJournalismTOM HALLMAN JR.Non-Deadline WriterFirst there was word of mouth. And on the second day God said, Let there be newspapers, and it was good. Being one of the oldest forms of news in the world, the writers of them have to uphold to certain standards. With the reporting of ... Read More

The Exploration of Lewis and Clark Across America (2088 words, 3 pages)

The Lewis and Clark expedition across the present day United States began May 14, 1804. With the approval of President Jefferson and the U.S. Congress, Lewis and Clark gathered an exploration party of about four dozen men. These men headed off to discover Western America. On September 1, 1805, they ... Read More

An Analysis of the Topic of Mercury Metal (489 words, 1 pages)

MercuryAtomic Number 80Latin hydrargyrum liquid silverAtomic Symbol HgAtomic Weight 200.59Mercury is the only common metal that is a free-flowing liquid at room temperature. It is slightly volatile in room temperature and becomes solid when subjected to a pressure of 7640 atmospheres. The metal dissolves in nitric or concentrated sulfuric acid. ... Read More

An Experiment of the Heat of Fusion of Water (421 words, 2 pages)

Jason JarrellChemistry II12-8-99Heat of FusionObjective The objective of this experiment is to find the heat of fusion of water by using a calorimeter. The calorimeter will be used to melt ice in water to find the heat of fusion.Theory Heat of fusion is known to be the amount of heat ... Read More

How to Make a Basic Sopa from Lye, Olive Oil and Oatmeal (1437 words, 1 pages)

HANDMADE SOAP LABPurpose To make a basic soap and a soap with other than basic ingredients using Lye, Olive Oil and Oatmeal and to learn about the history of soap and how the process of saponification works.ProcedureA. Basic Olive oil soapMaterials a. 1- 2 liter beaker b. 1- 100 ml ... Read More

A Look at the Enzyme Catalase and How It Works in the Human Body (2534 words, 12 pages)

HypothesisEnzymes such as Catalase are large protein molecules that are found in living cells. They are used to speed up specific reactions in the cells. They are all specific as each enzyme just performs one particular reaction. In their globular structure, one or more polypeptide chains twist and fold, bringing ... Read More

Using Charle’s Law to Determine Absolute Zero (777 words, 3 pages)

Using Charles Law To Determine Absolute ZeroTuesday 7th of DecemberIntroductionOne of the variables that affects the volume of a gas is the temperature of the gas and its surroundings. This volume-temperature relationship is quantified in Charless law. The law states that as the temperature of a gas decreases, the volume ... Read More

An Introduction to the Definition of Charles’s Law: Volume-Temperature Relationship (765 words, 4 pages)

Introduction One of the variables that affects the volume of a gas is thetemperature of the gas and its surroundings. This volume-temperaturerelationship is quantified in Charless law. The law states that as thetemperature of a gas decreases, the volume of the gas decreases proportionately.An ideal gas at 273 K, for ... Read More

An In-depth Analysis of Mercury, Chemical Atomic Number 80 (371 words, 1 pages)

Mercury's atomic number is 80. It's mass is 201. Its density at 20 degrees Celsius is 13.456 gcm cubed. It's silvery-white and flows very easily. It conducts electricity fairly well, but is a poor conductor of heat. It was known to Chinese and Hindus before 2000 BC and was found ... Read More

A Test on the Effect of Temperature on the Rate of Cell Respiration (935 words, 3 pages)

Biology Lab RespirationObjectives1. How a respirometer works in terms of the gas laws.2. The general processes of metabolism in living organisms.3. To calculate the rate of cell respiration from experimental data.4. To relate gas production to respiration rate.5. To test the effect of temperature on the rate of cell respiration ... Read More

Published: Friday 25th of January 2013