To prove that a hydrate solution will lose some of it mass after heated INTRODUCTION A hydrated salt is a crystallize salt molecule that is weakly attached to a certain number of water molecules. Salt is created when an acid’s anion (negative ions) and a base’s cation (positive ions) are combined to produce an acid-base molecule. A salt molecule that is not bound to any water molecules is an anhydrate‚ and a salt molecule that is bound to water molecules is a hydrated salt. In a hydrated salt‚
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SALTS EVERYDAY First some words about salts in chemistry. Salts are ionic compounds that can result from the neutralization reaction of an acid and a base. They are composed of related numbers of cations (positively charged ions) and anions (negative ions) so that the product is electrically neutral (without a net charge). Salts can appear to be clear and transparent (sodium chloride)‚ opaque‚ and even metallic and lustrous (iron disulfide). In many cases the apparent opacity or transparency are
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SIBULO‚ MONIQUE STACY JANE B. 2012-1-1433 17 SEPTEMBER 2013 1. The function of a neuron is to convey or process signals. Discuss how the specific parts of a neuron allow this general function to occur. Neurons has four distinct zones that has each of their specialization in the transmission of signals across the body. The first zone is for signal reception‚ it consists the dendrites and the cell body. The dendrites receive the signals and be converted into electrical signals that will be
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In conclusion‚ after conducting the lab‚ the emergent properties of water were tested and proved. These trials and experiments were able to verify the adhesion‚ cohesion‚ polarity‚ temperature stabilization‚ solvency‚ and density changes exhibited by water. During the glass and wax paper lab‚ we observed the adhesive properties of water. When a droplet of water touched the glass‚ it dispersed immediately. The droplet placed on the wax paper remained intact and in droplet form. Also‚ when the
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(smallest unit of an element) – subatomic particles (neutrons‚ protons‚ electrons) Compound (2 or more) Atomic number - # of protons Atomic mass = # of neutrons and protons Ion – total number of electrons doesn’t equal # of protons (anion gained electrons‚ cation lost electrons) Electron shells‚ orbitals‚ valency‚ rule of 8 Bonds = ionic‚ covalent (polar‚ nonpolar)‚ hydrogen‚ Van der walls Electronegativity Relationship of molecular shape and function of molecules (morphine and endorphins)
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I use many chemicals throughout my day‚ especially in the morning.The deodorant I use each morning includes Aluminium zirconium tetrachlorohydrex gly (Al4Zr(OH)12Cl4 Gly x nH2O). Aluminium zirconium tetrachlorohydrex gly can cause irritation in sensitive underarm areas. These irritations can cause allergic reactions like contact dermatitis‚ acne‚ or itching. The contact solution I use each morning includes Sodium Borate (Na2[B4O5(OH)4]·8H2O). According to my research‚ Sodium Borate is normally slightly
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Metals and Halogens reactions Elements such as fluorine‚ chlorine‚ bromine‚ iodine‚ and astatine belong to Group 7‚ Halogens. At room temperature‚ fluorine is a yellow gas‚ chlorine is a pale green gas‚ bromine is a red liquid‚ and iodine is a purple solid. Astatine is a radioactive element‚ therefore it exists only in small amounts. All the halogens exist in diatomic molecules. They have high ionization energies and are the most electronegative elements. Their electron configuration ns2 np5 make
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ABSTRACT The Batteries form a significant part of many electronic devices. Typical electrochemical batteries or cells convert chemical energy into electrical energy. Batteries based on the charging ability are classified into primary and secondary cells. Secondary cells are widely used because of their rechargeable nature. Presently‚ battery takes up a huge amount of space and contributes to a large part of the device’s weight. There is strong recent interest in ultrathin‚ flexible‚ safe energy storage
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are ionic‚ molecular and metallic substances. In ionic compounds valence electrons are transferred from one atom to another‚ resulting in formation of ions of opposite charge. Metals will lose electrons to form cations (positively charged) and non-metals can gain electrons to form anions (negatively charged); these oppositely charged ions attract each other and form an ionic compound Because the attraction of the ions is so strong‚ ionic compounds are always solid at room temperature and usually
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SOAPS AND DETERGENTS _DISCUSSION_ The goal of this project was to make‚ and test four soaps‚ and two detergents. The purpose of making four different soaps and two detergents was needed in order to decide which one would be best for the environmental group to use in the future that would allow for the safest cleanup of an oil spill while not harming the animals or the environment in the process. It was necessary to test the impact of the four soaps and two detergents by analyzing their different
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