On what I have seen‚ the first experiment showed chemical reaction to be more specific‚ combustion. In the experiment the Potassium permanganate (KmnO4) was used as the oxidant‚ and obviously oil as the fuel. As the two were mixed they needed to release energy in form of heat‚ that’s where combustion occurs. I learn that Combustion is the sequence of exothermic chemical reactions between a fuel and an oxidant accompanied by the production of heat and conversion of chemical species. The release of
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Goals The main goal of this project is to learn how to identify the properties of an unknown ionic compound. In order to do this successfully the group has to use a variety of methods and run several tests on the unknown compound. By doing this the group will be able to identify the different chemical and physical properties of the compound that will help obtain the identity of the specific compound given. The group will devise two syntheses of the compound‚ and compare them for cost effectiveness
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1. For Part 2: Single-Displacement Reactions: For each of the four single-displacement reactions‚ describe what happened in each well. If a chemical reaction occurred‚ write a balanced equation for it. Then using the A‚ B symbols‚ write a general equation for a single-displacement reaction. Here are the chemical formulas of the reactants for each reaction: • zinc – Zn copper sulfate – CuSO4 In well 1A there was a chemical reaction which turned the zinc black‚ while the
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Psychology of Human Relations Stanford Prison Experiment Reaction Essay Jana Haight March 1‚ 2011 The Stanford Prison Experiment was to study of the psychological effects of becoming a prisoner or prison guard. The study was conducted by a team of researchers led by Psychology professor Philip Zimbardo at Stanford University in August 1971. Twenty-four students were selected after tests and background checks deemed them mentally healthy
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Identifying Ionic Compounds Written by Ashleigh Lara. In our experiment we were given 5 different cations who’s mixture of anions ranged from five to three different solutions. At every single station we were given the following materials a spot plate‚ a dropper‚ and the chemicals used to mix with our main substance. Each substance received 3 drops of the different chemicals which were able to give us an observation of what the compound was made into. Many of our experiments color‚ texture and solubility
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Experiment 5 In the first part of this lab‚ the objective was to get the molar concentration of sodium hydroxide by using the secondary standard‚ sodium hydroxide solution with the primary standard‚ potassium hydrogen phthalate. With this information‚ we could create a second derivative plot‚ which can be used to obtain the exact concentration of the secondary standard‚ sodium hydroxide. Also‚ the indicator can give us these results along with the end points and with the readings from the pH meter;
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everyday lives. Many artists today even try to mimic artists in ancient Greece‚ but often fail to do so. One of the most important aspects to come out of Greek art is the architecture‚ most notable the three architectural orders of ancient Greece‚ Doric‚ Ionic and Corinthian. Each components of this order has a system of inter dependable parts whose proportions are based upon mathematical ratios. The basic components of all three orders are the column and entablature. Although most people do not know this
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whether the unknown substance is ionic or covalent are as follows: a) Heath stability experiment: as we learned in experiment 2‚ Ionic substances have high heat stability. When we heated them over Bunsen burner they always left residue. However‚ covalent substances have low heat stability and don’t leave residue. b) Ionic compounds are good electrolytes while covalent substances are either not an electrolytes or a very weak one. c) Solubility experiment: In experiment 9‚ we learned that polar substances
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CChemistry Exam #2 Study Guide (10/07/12) I. Bonding a. Ionic Bonding i. Electrons are transferred ii. Ions are held together by electrostatic force b. Covalent Bonding iii. Electrons are somehow shared iv. Electrons are attracted to nuclei (shared) II. Electronegativity c. The ability of an atom in a molecule to attract shared electrons to itself d. Measured on Pauling Scale e. Most electronegative: Fluorine.
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Conductor Insulator Insulator Insulator Solubility in hexane Insoluble Insoluble Insoluble Soluble Soluble Soluble Structure Giant ionic structure Giant ionic structure Ionic with covalent character Giant covalent structure Simple molecular structure Simple molecular structure Bonding Ionic bonding Ionic bonding Ionic bonding Covalent bonding Covalent bonding Covalent bonding Boiling point is the temperature at which the vapor pressure of the liquid is
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