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Formula of a Hydrated Salt 2.Objective- We are trying to figure out the formula of a unknown hydrated salt. In order to do this we must know the formula to calculate moles which is moles=Mass(g)/Molecular Weight. 3.Introduction- We must know about hydrated salts which are salts that contain water. We are trying to figure out the molar mass of the hydrated salt given to us. In order to do this we must heat up a hydrated salt so that it reverses the reaction and removes the water.We then are…

Sir William Ramsay and Morris Travers founded neon in 1898, by experimenting on liquid air. Prior to discovering neon they had recently found krypton, then later on they would go to discover xenon. “ Ramsay knew that sometimes one element could stay hidden behind another element (Stewart www.chemicool.com/elements/neon.html).” Neon was actually named by Ramsay’s son and was named neon after greek words neos (which means new). After Ramsay and Travers were able to keep finding neon it opened…

Have you ever heard the phrase, “the human body is a walking periodic table?” Well if not that then the saying that chemistry is all around you is probably relatable. The truth of the matter is that chemistry isn’t just around you, it also occurs inside of you as well! That’s right the body has chemical reactions happening all the time and you don’t even know it. Some of the ways that the elements are distributed throughout the body are in the bones, blood, metabolism, genetics, and even…

Cinthya Montoya September 18, 2014 Period 4 Biology Surface Tension of Water I. Objective: How does soap affect the surface tension of water? II. Background: The surface tension of water is due to cohesion forces that allow water to stick to its same molecules. In a liquid, such as water, molecules are strongly attracted by each other causing a phenomenon called surface tension of water. Surface tension could be defined as the force that implies a liquid to resist external forces produced by…

The purpose of this two-part experiment was to convert an alkene to alkyne. This is difficult to accomplish in one step, thus a multi-step process was used to produce the alkyne. First, bromination of stilbene through the electrophilic addition of bromine to the double bond was performed through an SN2 reaction, as outlined in Figure 3. Pyridinium tribromide, the source of bromine, since elemental bromine is too corrosive and hazardous, was generated in situ (Figure 1). The bromine was added…

Interaction of concentrated nitric acid and sulfuric acid generated nitronium ion which is electrophile. And methyl benzoate nitration is one of electrophilic aromatic substitution. Nitronium ion will reacts with protonated intermediate at the meta position. After NO2 substituted, it becomes arenium ion intermediate. Then, the remained product HSO4- will attack hydrogen then transfer the proton to methyl 3-benzoate. In the experiment, students placed around 12 drops of concentrated H2SO4 in…

and also it was an astronomical discovery 2. Statement 3 “Phosphorus = Hesperus” is a trivial statement that can be understood without any logic work at all. The two statements are particularly interesting because although statement one is referring to one object and statement two is referring two objects but in fact they are referring to the same identical object. What Frege was able to take away from this argument is that each singular term can have multiple understandings. Ferge proposed two…

Quasiclassical Elienberger equations [129] for the green functions g(k , r, and order parameter , is a powerful tool to deal with inhomogeneous superconductors [130]. These functions depend on the so called, ‘Matsubara frequency’, , coordinate r, and wave vector k on the fermi surface. The dependence of green functions and order parameters on the wave vector k, makes them sensitive to the shape of fermi surface. This makes solution of Elienberger equations complicated in the system of complex…

In Co(NH3)6Cl3, since the complex has a total charge of zero, ammonia has an oxidation number of 0, chlorine has an oxidation number of -1, cobalt has an oxidation number of +3. Therefore, there are four electrons in the d orbital of a cobalt in this complex. Figure 8 gives the possible high spin and low spin combinations for four d orbital electrons. The high spin config- uration has four unpaired electrons and the low spin configuration has two unpaired electrons. Figure 7. High and low…

Phase Diagram and Phase Transformation Fig. 1 shows (FCC) Nickel-(BCC) Chromium binary phase diagram. The eutectic reaction takes place at 1345°C and the composition is 51% Cr and 49% Ni. The solid solubility of Cr in Ni is extensive which is evident from the phase diagram. Phase transformations of two Ni-Cr alloys are explained below. One is Ni40Cr60 (Line 2) which is closer to eutectic composition and contains greater % Cr and the other alloy is Ni68Cr32 (Line 1) which contains greater % Ni.…