Fluorine

In this lab, the guiding question is “How does the surface tension and relative intermolecular forces compare between certain substances?” In order to fully understand this guiding question, we have to know what is the surface tension and intermolecular force. The definition of surface tension is “the inward force, or pull, that tends to minimize the surface area of a liquid, and the definition of intermolecular force is the force, or pull, between the molecular which has polar…

companies operating 200 large energy consuming premises and are requirement to develop an energy efficiency improvement plans annually. Electronic companies were also advised to adopt an alternative to NF3. A system made by Linde, splits NF3 into fluorine and has no global warming risk. However, the system required an upfront investment that smaller manufacturers might shy away unless it becomes a compulsory requirement under government policies (Patel-Predd, 2008). CONSUMER OPINIONS ABOUT THE…

Introduction Water is a chemical compound comprised of two hydrogen atoms and one oxygen atom and is written in the chemical equation form of H2O. Water has a tetrahedral molecular shape which is also known as tetrahedral electron pair geometry (Ophardt, 2003). This arrangement is due to valence electron pairs, mutually repelling each other at a 109.5-degree angle. This repulsion is caused by a non-bonding pair of electrons and two hydrogen atoms which in turn repel against each other to form…

Perhaps the most vital thing to address is the difference between climate and weather, because so many people don 't know the difference. Weather is what happens on a short time scale--from day to day, while climate is more long term, and is the long term trend over hundreds to thousands of years. We are releasing tons of gases and dust particles into the earth 's atmosphere every day, and so the salient question becomes: What type of effect do these gases have on our atmosphere? Most climate…

Introduction Microbes are essential to everyday life. Going from the basic food we eat to biogeochemical cycles, if we didn 't have biogeochemical cycles we would no longer have any of the resources that we have now; for example, there is plenty of nitrogen in the atmosphere but it 's all not available until it has been fixed, and that is when the microbes come in and changes the nitrogen in a way that is usable. Humans come in contact with microbes every day there is never a time there are…

Introduction One of the main challenges currently faced by Alcoa Intalco Corporation, or any aluminum plant, is the disposal of spent liners otherwise known as SPL. On September1988, SPL was listed by the U.S Environmental Protection Agency (EPA) as hazardous waste (53 Fed. Reg. 35412) coded as K088, and with that came stricter regulation and much rather extensive fines and matters of safety issues, not to mention, different protocols for safe handling and storage of SPL. Landfilling was…

This report will compare the water quality of Freshwater Creek over the last three years using chemistry to show how the three chosen parameters are all linked and affect the overall quality of the water. Water is combination of two atoms, oxygen and hydrogen. When two hydrogen’s bond with one oxygen it makes a covalent bond. A covalent bond relates to the outer shell of electrons (valence shell) being shared with the neighbouring molecule for them to bond. A covalent bond only occurs between…

Have you ever thought about why did your parents send you to the dentist office as a child? You were nervous, feared, and didn’t want to go. The recommended age to go to the dentist is at one years old or until the first tooth comes in. Although you may think that age is young, it will be more beneficial so it can stop future problems such as teeth eroding or health problems. Many people start going to the dentist in elementary school. Although you can go just for a basic cleaning,…

because of the permanent dipoles. There is also asymmetry in the molecule that makes the molecule polar. Hydrogen bonding is an extreme form of dipole-dipole forces where hydrogen covalently bonds to a highly electronegative atom (nitrogen, oxygen, or fluorine). This causes an uneven sharing of electrons and creates a higher partial charge than in dipole-dipole forces. Usually, a molecule with a higher molecular weight will also have more electrons, giving it stronger dispersion forces (compared…

The chemistry behind polymers, the substance from which plastic is made, is very important in the everyday lives of the average person. To start, “The simplest definition of a polymer is a useful chemical made of many repeating units” (“The Basics”). Further, polymers are not limited to just plastics, but all types of plastic are polymers (“Plastics”). Some examples of polymers include cellulose and DNA (“Plastics”). Plastics are used everywhere in life today, and understanding the way that they…