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Chemistry Essay Examples

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Pharmaceutical Science and My Interest in Chemistry

I pursued bachelor of pharmacy from Sarada Vilas College of pharmacy, Mysore One of the best academic institutions for pharmacy under Rajiv Gandhi University of health sciences. Prospective Interest—— chemistry Pharmaceutical science is a multi faceted field, which incorporates a myriad number of subjects, which Include biotechnology, physiology, pharmacology, pharmaceutics, molecular biology so on and…

Osmosis Lab Report

Abstract: The objectives of this lab was to be able to create models of cells with the dialysis tubing to show us how the plasma membrane is selectively permeable, to study the effects of osmosis on a model cell, and to foresee the effect of solute concentration on osmosis. In order to achieve these objectives,…

Osmolarity: Concentration and Sucrose Solutions

My group and I conducted the experiment that estimates osmolarity by change in weight of potato tubers, this was conducted in order to explore the process of diffusion and osmosis and more importantly to investigate the question of “Does different concentrations of sucrose solutions have an effect on the final weight for the potato tubers?”…



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Predicting the Products of Double Replacement Reactions

Introduction – A double replacement reaction is a chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound. If you have the reactants of two reaction solution that you can determine the products. All you need to do is pair the positive parts of…

Specific Heat and Atomic Weight

The purpose of this experiment was to find the relationship between a substance’s specific heat and its atomic weight. In the lab, the substances with the higher atomic weights had less specific heat. From this, we can conclude that specific heat and atomic weight have an inverse relationship, meaning as one decreases the other increases….

Scrubber System

In short a scrubber system basically removes harmful materials from exhaust gases before they are released into the environment or atmosphere. There are two types of scrubbing methods. There is wet and dry scrubbing. Both systems work in similar ways and have the same end result. That is to change a toxic chemical into something…

Gravimetric Analysis

The purpose of experiment 1, also named Gravimetric Analysis, is to study the use of analytical chemistry. Analytical chemistry is a branch of chemistry that involves determining what matter is and how much of it exists. It is the science of separating, identifying, and determining the components that make up a compound and determining a…

Investigatory Project

Garlic is commonly used in culinary and medicine. It grows up to 0.5 m (2ft) in height. Garlic helps prevent heart disease including atherosclerosis, high cholesterol, and high blood pressure and cancer. Garlic is used to prevent certain types of cancer, including stomach and colon cancers. A Czech study found garlic supplementation reduced accumulation of…

The Source of Mercury

Mercury may occur in nature in pure form (metallic mercury), in combination with silver, or most of the time in the form mineral cinnabar ore (HgS). It is the 67th most abundant element found in crustal rocks. It is found in the Earth’s crust but moves into the biosphere because of human activities and of…


Abstract: Using a micro scale steam distillation we separated ortho and para-nitrophenol from a mixture that was already made. After the para and ortho were separated we measured their melting points and compared it to the literature values for purity. For ortho-nitrophenol we had 60% recovery and for para 160% recovery. Our melting point ranges…

Copper Cycle Lab

Purpose: During this experiment, we were trying to see whether copper, after a chain of chemical reactions, will revert back to its elemental form. Procedure: First, I added nitric acid with copper in a beaker, which turned into a copper nitrate, a blue-green solution. Afterwards, I added sodium hydroxide, and my solution colored to a…

Dmitri Mendeleev

I have chosen to write about Dmitri Mendeleev. What was Dmitri Mendeleev know for? Dmitri Mendeleev was a Russian chemist who developed the periodic classification of the elements. In his version of the periodic table, Mendeleev left gaps in places where he believed unknown elements would fit in and he predicted the likely properties of…

Composition and Seperations

When a kernel of popcorn is heated, pressure builds and, depending on the percent of water in the kernel, the kernel pops open and popcorn is produced. The percentage of water in each kernel differs between brands of popcorn. If the steam produced fails to pop the kernel, the kernel becomes hard and burns. The…

Analysis of a Copper Sulfate Sample

The purpose of this experiment is to find the empirical formula of a hydrous copper sulfate sample and the amount of water in the sample. This whole process will be determined in three different experiments. Procedure: Experiment 1 – Percentage of water in sample. The percentage of water in hydrous copper sulfate was determined. Clean,…

Chemistry – Factors Affecting Electrochemical Cells

How do the changeable electrodes of different reactivity affect the energy in Volts measured by a Voltmeter while the Solution and the Salt Bridge stay constant for every single trial by the same amount in each beaker? Background Theory: The conductance of an electrolyte depends upon the number of ions present in the solution. Therefore,…

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Hi, I am Sara from Studymoose

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Hi, I am Sara from Studymoose

Hi there, would you like to get such a paper? How about receiving a customized one? Click to learn more http://goo.gl/CYf83b


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