Magnesium sulfate

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Abstract: In this lab our main objective is to find the empirical formula of MgO, magnesium oxide. To do this first we have to make sure when we burn Mg in the crucible and it reacts to with O. This lab experiment Mg is complicated by another factor. Mg is so reactive that it reacts with N in the air so some of the Mg which is suppose to react with O will react will N instead. This obstacle can be overcome by simply adding water to the Mg3N2 to yield MgOH2 and NH3. This will undo the reaction so…

The study consisted of five treatment groups, these groups were divided out as follows. Glucosamine solo, chondroitin sulfate solo, a mixture of glucosamine and chondroitin sulfate, celecoxib which is an anti-inflammatory drug, and an inactive substance that looks like the study substance which in medical terms is known as a placebo. Glucosamine and chondroitin sulfate and the sequence of the two were correlated with the placebo to assess whether any of these control groups improved joint pain…

CAUTION: It is best not to get dichloromethane on your skin. Gloves are to be worn during this experiment, if improper safety precautions are taken there is a possibility of irritation, and or burning of the skin. CAUTION: Gas will build up in the separatory funnel while you are shaking it, so you must vent the funnel occasionally to prevent the stopper from popping out, causing a mess and possibly getting dichloromethane on your skin. ~During the pre-phase of this experiment it is…

The substance was stirred until dissolved. The liquid solution produced a blue color as soon as the cupric sulfate dissolved. Prior to this 1.127 grams of Zinc was gathered along with Hydrochloric acid. Both the Zinc and Hydrochloric acid were poured in gradually creating a reaction. A stirring rod was used to stir this while the reaction occurred. Figure 2 shows…

test tube A, the reactants are copper sulfate and magnesium. Magnesium is an element and copper sulfate is a compound. In a single displacement reaction, a reactive element displaces another less reactive element in a compound. After checking the activity series for metals, I know that magnesium is more reactive than copper sulfate; so that in the reaction, magnesium takes place of the copper element in copper sulfate to produce copper metal and magnesium sulfate. During the reaction, a…

scale, two test tubes, a beaker, about 4 grams of magnesium sulfate (MgSO4), about 4 grams of copper sulfate (CuSO4) and a burner. First, we measured the mass of the beaker and the test tube on the triple beam scale. We then filled one test tube with some copper sulfate. We placed it into the beaker on the scale to find its mass and recorded the mass of the total to make sure we had about grams of copper sulfate. After we had the mass of the copper sulfate amount, we heated it up over the burner…

1. Most aquaporins have a similar structural arrangement, consisting of a similar fold. This fold contains helices encasing a small water-conducting channel where water is able to arrange in a singular line. There are cytoplasmic and extracellular loops immersing into the membrane through opposing sides, and form two smaller helices creating a psedo transmembrane segment. Within the membrane, there are four aquaporin molecules forming a homo-tetramer, creating a fifth channel; the channel is…

Magnesium ion is required for generating Ser102 nucleophile Stec et al. suggested a reaction mechanism involving three metal ions, which is modified from the two metal ion catalysis theory proposed by Kim and Wyckoff (16). As mentioned, Ser102 acts as a nucleophile and facilitates the departure of an alcohol group during the first step of this reaction. In order for this occur, Ser102 has to be deprotonated. X-ray crystallography has been used to examine the mechanism of alkaline phosphatase.…

Equation 1 We mixed Aluminum Sulfate with Barium Nitrate in two test tubes. The Barium Nitrate is a clear liquid that had no smell. The Aluminum Sulfate also was a clear liquid with no scent. When mixed, the center of the liquid turned into a milky white precipitate. After 2 minutes the white substance sank to the bottom while the clear liquid sat on top. Al2(SO4)3(aq)+3Ba(NO3)2(aq)--> 2Al(NO3)3(aq)+3BaSO4 (s) 2 First we felt the material of a piece of Magnesium. It felt maliable and…