Chemistry is a branch of physical science. Chemistry is the study of the composition, properties and behavior of matter and is mostly concerned with atoms and their interactions with other atoms.
Chemistry
The field of chemistry requires the use of computers in a multitude of ways. Primarily, computers are useful for storing vast amounts of data for the researcher or student to use. From facts...
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Chemistry
Chemistry deals with the study of the properties and reactions of atoms and molecules. In particular, chemistry deals with reaction processes and the energy transition. Major divisions of ch...
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Chemistry
Chemistry is the science that studies why materials have their characteristic properties, how these particular qualities relate to their simplest structure, and how these properties can be m...
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Sonochemistry
Sonochemistry involves the study of chemical changes that occur as the direct result of sound or ultrasound waves traveling through either a homogeneous or heterogeneous liquid medium. T...
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Chemistry
Chemistry is the science that studies the properties and composition of matter, the changes in composition and structure that occur, and the energy phenomena accompanying these changes. The ...
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Chemistry
After physics, chemistry is often considered the paradigmatic modern science. The ethical issues associated with chemistry and chemical technologies have nevertheless been more diffuse and l...
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Background
In the reaction between hydrochloric acid and sodium thiosulphate, a fine precipitate of sulphur slowly forms, to measure the rate of reaction, we time how long it takes to form the precip...
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The goal of the project was to characterize an "unknown" organic acid in order to make a proper identification of the acid, while learning proper techniques for scientific measurement and analysis of ...
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The purpose of this experiment was to determine the maximum amount of pennies that could be placed into a medicine bottle and still float.
Materials
* 1,000 ml beaker
* Pennies
* Electronic bala...
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Common people may not have the actual knowledge of chemistry and it's contribution. But one is certainly aware of the comforts which science has provided to the society. The modern technology, advance...
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Many people are interested to know how to alter the rates of chemical reactions. Fertiliser manufacturers are interested in speeding up the formation of ammonia from nitrogen and hydrogen. Car man...
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The Effect of Changing the Temperature of Thiosulphate on the Rate of Reaction
Apparatus;
Measuring cylinder, measures the solution
Conical Flask, holds the solution
Heat Proof mat, protects the ...
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RATES OF CHEMICAL REACTIONS
REACTION ORDER FOR IODATE ION
OBJECTIVE:
To determine the order of a KIO3-NaHSO3 reaction with respect to the ...
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Aim: To investigate on and determine the relationship between pressure and volume of a gas.
Hypothesis: As the pressure increases the gas's volume decreases.
Equipments: Clamp and retort stand, pl...
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% Composition By Mass of Oxygen in Potassium Chlorate
Objective:
The purpose of this lab was to calculate the percent composition by mass of oxygen in potassium chlorate.
Procedure:
1.The mass...
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Preliminary Work
The computer program was useful as the units and volumes of substances could be changed to judge a means of devising a method: there were two means of which to carry out this...
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Introduction
I have done some experiments on metals before to see how well they react in different situations.
One of these was -
Displacement.
This is where I put different metals into differe...
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3: The Acidic Environment
3.1: Indicators were identified with the observation that the colour of some flowers depends on soil composition
Classify common substances as acidic, basic or neutra...
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4: Chemical monitoring and Management
4.1: Much of the work of chemists involves monitoring the reactants and products of reactions and managing reaction conditions
Outline the role of a chemi...
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Volumetric Analysis of cloudy ammonia
Aim
To perform a volumetric analysis on a 20mL sample of cloudy ammonia with a claim of 50 g/L ammonia as NH4OH.
Introduction
Volumetric analysis is a type...
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We had three problems in this lab. One was to separate two mixed solids into their component parts. The second one was to determine the percentage by mass of the two components involved. And the third...
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Qualitative Analysis: The Halide Family
I. Introduction:
The halide family is a term used to describe the elements in group 17 that include Fluorine, Chlorine, Bromine, and Iodine. The purpose of t...
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The independent variable I have chosen to investigate is temperature. I will see how the rate of the reaction is affected by a change in the temperature. My dependant variable is the time taken for th...
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PURPOSE
To observe the effect of various aqueous solutions of acids, bases and amphiprotic substances on a number of indicators, and to record the approximate pH.
To determine more accurate pH valu...
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Student Inquiry Project
I. Introduction:
For my inquiry project, I intend to investigate how does salt affect the boiling point of water? The question came to mind for me, as I watched my mom cook r...
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Aim
The aim of this investigation is to determine how different concentrations of hydrochloric acid will affect the rate of reaction of calcium carbonate to produce carbon dioxide gas.
Prediction
M...
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Chemistry Coursework
Alcohol Burning Experiment
Planning Section:
Aim:
I am going to burn a variety of different of different alcohols from Methanol to Octanol in order to test how change in energ...
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Chemistry Experiment Report
· Planning (a), Planning (b), Data Collection, Data Processing and Presentation, Conclusion and Evaluation
Planning (a): To investigate the factors affecting Ka o...
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Aim: Using my prior knowledge from my preliminary test, I can investigate the effect of the concentration of hydrochloric acid reacting with a magnesium ribbon.
The equation I will use for this is: ...
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Aim:
The aim of this experiment is to find out the effect of concentration on the reaction between Sodium Thiosulfate and Hydrochloric acid. The equation for this reaction is: 2HCl + Na S O ...
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Aim:
Investigating the effect of changing concentrations of H2SO4 (Sulphuric Acid) on reaction rates.
Background Information:
The formula for experimenting the change of reaction rates when concen...
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Investigating the effect of concentration on the rate of reaction
Aim:
Investigating the effect of the effects of the concentration of sodium thiosulphate on the rate of reaction between sodium th...
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Chemistry
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