Copper Chloride Lab Report Procedure Part A: 1. Pick up the container of copper chloride dehydrate‚ and observe material. Describe crystals in detail‚ and write down all of the observations. Part B: 1. Take a 100 ml beaker and fill ¼ of it with water. Use a spatula to add some copper chloride dehydrate to the beaker filled with water. Record the observations. Be sure to observe the water and the copper chloride dehydrate. 2. Stir the contents in the beaker with
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Social proof and the confirmation trap were evident in the actions of many or all of the various players involved in the subprime mortgage crises (or credit crises) of 2008. From the NPR News radio program “The Giant Pool of Money‚” the characters on the different rungs of the subprime mortgage value chain explain their actions‚ showing these two characteristics. Social proof is a behavior by which we determine correctness of opinions‚ beliefs‚ or actions by comparing them to others’ opinions‚ beliefs
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reaction can be indirectly calculated with the following equation. q = Cp ( m ( ∆T The term q represents the heat energy that is gained or lost. Cp is the specific heat of water‚ m is the mass of water‚ and ∆T is the temperature change of the reaction mixture. The specific heat and mass of water are used because water will either gain or lose heat energy in a reaction that occurs in aqueous solution. Furthermore‚ according to a principle known as Hess’s law‚ the enthalpy changes of a series of
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from a deep slumber to find a pool. The pool of Time. He knew that if found this pool and drank from it he would be able to bring life to the barren land. The pool was high up in a chasm in the great mountain‚ so Ozai climbed 4 sunless days and 4 cloudless nights. Ozai found the pool in a case of ice. In an urge for the pool’s waters he butt his head on the mountain to open the pool. The mountain shook and sparks flew‚ ice cracked and melted away releasing the water which spread across the mountain
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Why Is Calcium Chloride Powder Used Extensively As A Bleaching Agent? In simple terms‚ calcium chloride is an inorganic compound having chemical formula CaCl2 (H2O)x where x can be 0‚1‚2‚4 and 6. All the salts produced by calcium chloride powder has a unique characteristic that they are highly soluble in water. This helps in applications where you need to remove snow‚ ice‚ or frost from any surface or even simple dust removal. It can absorb moisture from the surrounding environment‚ which is also
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Quantitative Determination of Total Hardness In Drinking Water By Complexometric EDTA Titration R. A. J. Cadiz1 and J. M. Nael2 1Institute of Biology‚ College of Science 2National Institute of Geological Sciences‚ College of Science University of the Philippines‚ Diliman‚ Quezon City‚ Philippines Date Submitted: May 9‚ 2013 Abstract This experiment is about the determination of water hardness through the use of complexometric EDTA titration. Determination of water hardness is important to
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was public swimming pools‚ and the fact that sometimes it’s “easy” for the lifeguard to miss the signs of a drowning person‚ especially if the person suddenly sinks and goes under water without showing any previous signs. Especially when the pool is crowded‚ the lifeguard simply can’t see everyone at every single moment. Statistics shows that Each Year‚ Over 200 People Drown In Lifeguarded Swimming Pools‚ We watched a few videos catched by surveillance cameras in public pools where in some cases
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Reactivity of Halide Ions PURPOSE The purpose of this experiment is to observe the reactions of halide ions with different reagents by mixing them together. Materials 0.1 M AgNO3 0.1 M NaCl 0.1 M NaF 0.2 M KBr 0.2 M Na2S2O3 3% Starch Solution 4.0 M NH3 (aq) 5% NaClO (commercial bleach) 24 – well microplate thin – stemmed pipettes‚ 12 Safety DATA |PARTS |INITIAL MASS |FINAL MASS |CHANGE IN MASS | |
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EXPERIMENT NO. 5 COMMON ION EFFECT Lopez‚ Pauline G. HIJ-2‚ Group No. 5‚ Ms. Jervee M. Punzalan Ramales‚ Ayane Mark Q. September 15‚ 2014 I. ABSTRACT The common ion effect involves how the solubility of a salt changes when some ion that is common to both added substance and the salt in question is introduced. The presence of a common ion hinders the ionization of a weak acid or a weak base hence this is known as the common ion effect. Simply put‚ the effect
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Understanding ion permeability is vital to knowing how it establishes a membrane potential‚ and how it eventually leads to the contraction of muscle cells. This was done using crayfish tail muscles. Lateral and medial tail muscles from the tail of a crayfish were excised. These muscles were then placed into solutions with different types of ion concentrations. Usage of different ion concentrations was necessary in practicing how to measure resting membrane potentials accurately. Measurements with
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