Chemical Compound Essay Examples
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Planning: * There are many ways in which to find out what ions are contained in different compounds. When substance is mixed to make solution, precipitation reactions and reactions with gas specifically are very useful to help us out with identifying which ions are contains in the substances. This test is for negative ions. * […]
Unsolved problems in chemistry tend to be questions of the kind “Can we make X chemical compound? ” , “Can we analyses it? “, “Can we purify it? ” and are commonly solved rather quickly, but may Just as well require considerable efforts to be solved. However, there are also some questions with deeper implications. […]
Abstract Chemistry is one of the important sciences in the world because it explains many things in our physical world. It is considered as the center of science because it contains essential information which could be necessary for other people who study other sciences such as physics, biology, ecology and geology. This essay will discuss […]
Boiling point is the temperature at which the vapour force per unit area of the liquid is equal to the external force per unit area on the liquid and the liquid changes into a vapour. Melting point is the temperature at which the lattice is prostrations and the solid is converted into liquid. The tendency […]
Objective: To determine experimentally the water of hydration for the hydrate Borax. Theory: In this experiment, we examined and found the water of hydration of the hydrate borax. Borax is derived from the element Boron, which is a metalloid chemical element with properties between those of carbon and aluminum(95CI). Boron is relatively rare, constituting only […]
AIMS /OBJECTIVES To understand the reactions of manganese To prepare Mn(acac)3 and calculate percentage yield To calculate the percentage of Mn and acetyl acetone and the empirical formula THEORY Manganese is a first row transition metal that has a tremendous variety of oxidation states that appear in its compounds. The oxidation numbers range from Mn […]
Write your answer in the space provided or on a separate sheet of paper. 1) Explain the difference between a qualitative and a quantitative measurement. Provide examples to illustrate this difference. Answer: A qualitative measurement is a measurement that gives descriptive, nonnumeric results; a quantitative measurement is a measurement that gives definite, usually numeric results. […]
Have you ever done the laundry and wondered what was in the detergent you use? Or if you watched a rocket launch into space have you wondered how it can even make it past earth? The answer to those questions is boron (B). Boron is a metalloid element with an atomic number of 5 and […]
Define the following: electrolyte, nonelectrolyte Electrolyte: A substance that dissolves in water to form solutions that conduct electricity. Nonelectrolyte: A compound that doesn’t dissociate into ions when dissolved in water. Using examples in the last link, draw beakers showing atomic scale representations of aqueous solutions of the following compounds. Classify each as an electrolyte or […]
This experiment was a continuation of Experiment two, with a slightly different question to be answered. In this experiment, we are trying to find the identitiy of the unknown component of Panacetin. This is answering question 2 of the two questions that were to be answered in experiment 2. The equation of this reaction is […]
The purpose of this week’s lab is to learn to demonstrate a double-replacement reaction of ionic compounds. To accomplish this, two ionic compounds will be mixed together and the product will precipitate out of solution. In this procedure, the product must be precipitated out of the solution and then weighed. For this lab, lead (II) […]
A compound is a chemical substance that consists of several (minimum two) elements. The compound has defined structure, chemical and physical properties. These are typically found in chemistry or physics books. The constituents of the compound can not be separated by physical method, for instance, boiling, freezing, sieving, or gravity thickening. The elements lose their […]
Lab objective: In this experiment, the percent composition and empirical formula of silver oxide will be determined. Silver oxide will be heated until it decomposes to silver metal and oxygen, and the percent calculation and empirical formula can be calculated based on combining the ratios of silver and oxygen in the reaction. Summary of lab […]
Through chemistry, the study of what objects are made out of, we use different methods for finding out things we do not know. Most materials in our world are mixtures. Very few materials are pure substances. The art of separating mixtures is important because it enables us to isolate pure substances. Mixtures are either homogeneous […]
Abstract Chili (Capsicum frustrates) is commonly used as a food spice because of its hot and spicy taste. It was later discovered that chili has pesticide property that can be used to kill mosquitoes. Zamias (Headaches cranium) which is also used as food spice was also discovered to have properties that of astringent, stomach, refrigerant […]
