electricity through the solution used in electrolysis. During electrolysis‚ positive and negative electrodes are needed. The positive electrode (anode) experiences oxidation (loses electrons and hydrogen‚ gains oxygen) ‚ where the negative electrode (cathode) experiences reduction (gains electrons and hydrogen‚ loses oxygen). In our daily lives‚ we can see the applications of electrolysis in many ways. The process of electrolysis is used for accumulators (car batteries)‚ electroplating (the covering
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found in each of the large biomolecules (carbohydrates‚ proteins‚ lipids‚ nucleic acids). The SPONCH elements are Sulfur‚ Phosphorus‚ Oxygen‚ Nitrogen‚ Carbon and Hydrogen. These are the five key elements that compose living things. The four most frequently occurring of the SPONCH elements are‚ carbon‚ hydrogen‚ nitrogen and oxygen. Carbon is found in each of the large biomolecules. 2. Outline the difference between an atom and an ion. An atom has the same amount of
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Elements If God has any favorite elements‚ they must be Hydrogen‚ Carbon‚ Nitrogen and Oxygen. These four elements make up the majority of all Biological compounds. Without them‚ life on this planet as we know it could not exist. Due to the bonding possibilities between and among these elements‚ literally millions of organic compounds are possible. Carbon is the backbone of all organic compounds. It forms the main structure of the molecule with Hydrogen‚ Nitrogen‚ Oxygen and occasionally other elements
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GROUP B MODEL ANSWER Yoshida et al.‚ Flexibility of Hydrogen Bond and Lowering of Symmetry in Proton Conductor‚ Symmetry 2012‚ 4‚ 507-516. DO NOT PLAGIARISE THIS MODEL ANSWER PLAGIARISM FROM ANY SOURCE AUTOMATICALLY LEADS TO A ZERO SCORE Paragraph 1 M3H(XO4)2 compounds are used for electrolytic fuel cells (where M=K‚ Rb ‚Cs; X=S‚ Se). At different temperatures‚ the compound exhibits different degrees of symmetry. There are 3 distinct phases observed. Below 369K‚ the phase 3 structure belongs
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bronsted-lowry theory is an addition to the Arrhenius theory which defines acids and bases there are many reactions that occur in solvents or without any solvents at all rather than water. The reaction between hydrogen chloride and ammonia can be used to explain it. In aqueous solution‚ hydrogen which is an acid reacts with ammonia‚ a base to form a solution of the salt: ammonium chloride. According to Arrhenius the reaction occurs between the H+ ions formed due to the ionisation of the HCl when it
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has the chemical formula C10H12O. This compound is said to be hydrogen deficient‚ meaning that it contains less hydrogen atoms than would be needed for each of the carbon atoms to have the maximum amount of hydrogen atoms attached. The IHD‚ or index of hydrogen deficiency for this molecule is 10. This indicates that there must be five rings or double bonds in the structure. Each of these would compensate for two of the missing hydrogen atoms. Since a saturated compound of the chemical formula C10H20O
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they are polar or non-polar via the models? k) Can we understand hydrogen bonding via the models 3) Hypothesis l) Using models made out of simple objects will help us better understand the structure of a molecule. Using color coordinated material will allow us to determine the number of atoms per molecule which will in turn help us understand if the molecule is bonding covalently‚ ionically‚ or is a hydrogen bond. This will help understand if the molecule is polar or non-polar or
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vice versa. Intermolecular forces are forces of attraction and repulsion between molecules that hold molecules‚ ions‚ and atoms together. The intermolecular forces that can be present in a solution are london dispersion forces‚ dipole-dipole force‚ hydrogen bonding and ion-dipole forces. In this experiment the substances that were used were acetone‚ methanol‚ water‚ 1- butanol and ethyl acetate. Acetone is the organic compound with the formula (CH₃)₂CO. It is a colorless‚ volatile‚ flammable liquid
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place two pieces of metal in water‚ and apply electricity‚ the water separates into it’s basic molecules‚ Hydrogen and Oxygen (H2O). If you look at the picture on the left‚ you will see H2O molecules connected together in their liquid form which is WATER But when you apply electricity (from your car battery)‚ the molecules separate and form a GAS (called HHO) which is a mixture of Hydrogen and Oxygen. This HHO GAS is then sucked into your engine and mixed along with the air from the air filter
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synthesized. Lighter‚ basic and abundant elements like hydrogen and helium were formed during the Big Bang. During Big Bang‚ space expansion cooled the early energy dominated universe and a lot of energy transformed into matter. These basic elements were then able to create the early stars and also the stars of today. Inside of these stars lighter elements fused to release large quantities of energy and in the process of doing that converted hydrogen and helium into heavier elementary particles. Such
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