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Hydrogen Essay Examples

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Determination of Iron by Reaction with Permanganate-A Redox Titration

The purpose of this experiment was to find the percentage of iron in an unknown iron oxide sample which could be determined through titration with a standard solution of potassium permanganate. Success in this analysis requires careful preparation and attention to detail. Performing this experiment also provides practice at titrations. The overall reaction is: 8H+(aq)…

Nvestigating The Rate Of Reaction Between Marble Chips And Hydrochloric Acid

Planning I will use marble chips and different concentrations of hydrochloric acid and water to see how it affects the rate of reaction. I will use concentrations of 50cm3 using different volumes of water and acid. Introduction I am investigating how the rate of reaction between marble chips and hydrochloric acid is altered when the…

Factors Affecting Reaction Rate

Introduction: In reference to the collision theory, molecules act as small spheres that collide and bounce off each other, transferring energy among themselves when the collide. In order for a reaction to occur, there must be collisions between molecules. Through experimentation, factors are discovered that influence the reaction rates of chemical reactions include the concentration…

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Short Summary Essay on the Big Bang

The Big Bang theory is today’s dominant scientific theory about the origin of the universe. It states that the universe was created from an infinitely hot and dense subatomic ball, which once exploded not only created energy and matter, but space and time itself. This is estimated to have happened around 14 billion years ago….

Hypochlorite Oxidation of endo-Borneol to Camphor

Purpose In this experiment, sodium hypochlorite (NaOCl) in acetic acid mixture was used to oxidize emdo-borneol (an alcohol) to camphor (a ketone). The product would then be purified by sublimation and then be analyzed by Infrared spectroscopy and melting point test. Procedure and ObservationsPlease refer to the lab manual and the carbon copy attached. Data…

Chemistry Laboratory Report

Title: Factors affecting reaction ratesProcedure A: Effect of ConcentrationAim: To investigate how the concentration of a reactant affects the rate of reaction. Hypothesis: The more concentrated the reactant, the faster the rate of reaction. Materials: 2M hydrochloric acid solution, magnesium wire, distilled water, 4 test-tubes, measuringcylinder. Procedure:1)10mL 2M hydrochloric acid solution is poured into a…

The heat of combustion of ethanol

EXPERIMENT AIM: To determine the experimental heat of combustion of methanol (CH3OH) and ethanol (CH3CH2OH). To decide which would be a better choice to take on a camping trip. MATERIALS: 1 Copper container 1 Clamp 1 Spirit Lamp with Wick Ethanol 1 Retort Stand Methanol 1 Box of Matches Water 1 Electronic Balance Thermometer PROCEDURE:…

Handling a Sulphuric Acid Spill

There has been a spill of concentrated sulphuric acid at the chemical plant where I work at as the Safety Engineer. In this report, I will explain what Sulfuric Acid is, the health risks and hazards associated with it, the safety precautions that should be taken and how the spill should be handled. Sulfuric Acid,…

Two Carbohydrate Solution

This experiment consist of 2 part . First part is to test whether solution A and solution B are reducing sugar. Second part of the experiment is to investigate 2 type of reaction , biological reaction and chemical reaction. The chemical enzyme is hydrochloric acid while the biological enzyme is amylase saliva . The specific…

Hydrogen Summary

* This is how hydrogen fuel cells work: 1. Gas stored in tanks 2. Atoms reach anode 3. Become hydrogen ion and a free electron 4. Ion goes through electrolyte layer 5. Hydrogen ion passes, but free electron does not 6. Free electron runs through external circuit from anode (-) to cathode (+) 7. Current…

Determine the Reaction Stoichiometry and the Valency of Magnesium

Objective: To study the quantitative relationship between the amount of the reactants and products of a reaction. A known starting mass of magnesium and the measured collection of hydrogen gas will be used to determine the reaction stoichiometry and the valency of magnesium. Introduction: Stoichiometry is the study of the quantitative relationship between amounts of…

Hydrogen vehicles

Introduction There are many debates that are advocating for a proper implementation of transport systems, involving greatly upgraded sea transport, conversion of freight industry away from the road network. It is therefore possible for a company to reduce greenhouse gas for the benefit of the environment, through the adaptation of these transport systems. The debates…

Peroxide and Catalase

This was done by filling a beaker with tap water; it was filled with enough water so that when the full burette was able to be inverted into it with the water above the mouth of the burette. The burette was carefully clamped so that its markings pointed to the front and could be seen…

The activity of catalase

For example: a) There is a slight delay between pouring the Hydrogen Peroxide into the yeast, putting the bung on and starting the stopwatch. This will slightly affect all the results but as I carried out all the three steps in the same way for all the experiments it should not make any difference to…

Calcium Chloride

The temperature should be kept at the same throughout the experiment to create a set of fair and even results.  The volume of Hydrogen peroxide must be kept the same otherwise the alginate balls would travel different distances.  The shape of the measuring cylinder must be kept the same otherwise the alginate balls would travel…

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