The food-grade items that have been brought into the lab are considered laboratory chemicals and are for lab use only.…
In this experiment, we will find out how the variation of the value of an equilibrium constant with temperature can be used to determine the enthalpy (heat), entropy (randomness), and free energy (G) changes associated with the system in question.…
Lead is a naturally occurring element found in small amounts in the earth’s crust (EPA, 2014).…
chemical element here on our own planet Earth. Though it is a rare, unreactive noble gas,…
Instructions: Enter the Virtual Lab, and conduct the experiments provided before going out into the virtual field for additional research. Please type your answers on this form. When your lab report is complete, submit it to the Submitted Assignments area of the Virtual Classroom.…
3-hydroxy-3methylglutaryl-CoA reductase (HMGR) catalyzes the formation of mevalonate in the biosynthesis of sterols and isoprenoids. The activity of this enzyme is regulated physiologically through synthesis, degradation and phosphorylation to maintain to maintain the concentration of the mevalonate-derived products. Transcription and translation of HMGR increase when the concentrations of products of mevalonate pathway are low while on the other hand when the concentrations are high, the intracellular HMGR concentration decreases rapidly. The third level of regulation is achieved by phosphorylation of S872 by AMP-activated protein Kinase, which decreases the enzyme’s activity.…
To start the experiment two separate titrations were set up, one at room temperature and the other in an ice bath. For the room temperature Borax titration, a saturated solution was created by adding 1.5 grams of solid Borax to 50mL of DI water and a stir bar to a beaker that was stirred for at least ten minutes. To assure that equilibrium was sustained throughout the stirring, it was stopped periodically to assure that there was solid Borax present in the beaker keeping a saturated solution. Next, a burette was filled with approximately 50mL of the .103M Hydrochloric Acid solution (HCl). For the room temperature Borax titrations the…
Compare the Alkali's to the Alkali Earth metals. What is the difference in their properties? Why is there a difference?…
Niels Bohr applies quantum theory Rutherford’s Atomic Structure by assuming that electrons travel in stationary orbits defined by their angular momentum. This led to the calculation of possible energy levels for these orbits and the postulation that the emission of light occurs when an electron moves into a lower energy orbit.…
Polonium is radioactive and present only in extremely low abundances in the environment. It is quite metallic in nature despite its location beneath oxygen in the periodic table. It is made in very small quantities through a nuclear reaction of bismuth. Neutron irradiation of 209bismuth (atomic number 83) gives 210polonium (atomic number 84).…
The subject that I will be focusing on through the course of this extra credit paper, is one about the combination of Aerospace Engineering and Chemistry. I chose this particular topic because of my future life goals. Which include getting a degree in aerospace engineering. I also became interested while researching for this paper in a particular sub topic of the two which is called aerothermochemistry.…
My element is Mercury,the atomic number is 80 and the atomic mass is 200.59.The symbol is Hg.Mercury comes from the greek name hydrargyrum which means liquid silver.The element is also known as quicksilver for its mobility. Named after the fastest-moving planet in the solar system, mercury has been known to humanity for ages.despite its toxic qualities, mercury can still be useful to us. The element conducts electricity and is used in electrical switches of thermostats and certain types of doze alarm-type alarm clocks.It can turn into liquid at room tempurature.It boils at 656.11 F.…
In 1896, Becquerel's earlier work was surpassed by his discovery of the occurrence of natural radioactivity. Becquerel decided to investigate whether there was any connection between X-rays and naturally occurring phosphorescence, after his discussion with Henri Poincaré on the radiation which had been recently discovered by Röntgen (X-rays) and which was accompanied by a type of phosphorescence in the vacuum tube. He had inherited from his father a supply of uranium salts, which exhibits phosphorescence upon exposure to light. When the salts were placed near to a photographic plate covered with opaque paper, the plate was found to be fogged. The phenomenon was found to be common to all the uranium salts studied and was concluded…
This is a professional and depth research report on Global and China Boron industry. The report firstly introduced Boron basic information included Boron definition Boron classification application industry chain structure industry overview; international market analysis, China domestic market analysis, Macroeconomic environment and economic situation analysis and influence, Boron industry policy and plan, Boron product specification, manufacturing process, product cost structure etc. then statistics Global and China key manufacturers Boron capacity production cost Gross production value gross margin etc details information, at the same time, statistics these manufacturers Boron products customers application capacity market position company contact information etc company related information, then collect all these manufacturers data and listed Global and China Boron capacity production capacity market share production market share supply demand shortage import export consumption etc data statistics, and then introduced Global and China Boron 2009-2019 capacity production Boron cost Gross production value gross margin etc information. And also listed Boron upstream raw materials equipments and down stream client survey analysis and Boron marketing channels industry development trend and proposals. In the end, the report introduced Boron new project SWOT analysis Investment feasibility analysis investment return analysis and also give related research conclusions and development trend analysis on Global and China Boron industry. In a word, it was a depth research report on Global and China Boron industry. And thanks to the support and assistance from Boron industry chain related technical experts and marketing engineers during Research Team survey and interviews.…
Lesson 01: Introduction to ADO.NET This lesson is an introduction to ADO.NET. It introduces primary ADO.NET concepts and objects that you will learn about in later lessons. Here are the objectives of this lesson:…
