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Phosphorus is implanted at 50 keV with a dose of 1 x 1014 cm-2.
Calculate the junction depth where the phosphorus meets the substrate (p type. 1 x 1015 cm-3) after
(a) a 900°C, three-hour anneal and
(b) a 1200°C. three-hour anneal.
At 900 titanium tetrachloride vapor reacts with molten magnesium metal to form solid titanium metal and molten magnesium chloride. Write a balanced equation.
Calculate q, and determine whether heat is absorbed or released when a system does work on the surroundings equal to 64 J and ?U = ?213 J.
what would be the approximate freezing point of 0.1 molar aqueous solution of aluminium chloride at room temperature
Now calculate the amount of moles of NaHSO4(s) to be dissolved in the system to lower the pH to 2.40. Include the rxn equations that take place.
A 1 L flask is filled with 1.45 g of argon at 25 C}. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm.what is the partial pressure of argon in the flask?
From your previous knowledge of the tendencies of certain metals to rust or tarnish, and from your reading in this experiment, select at least three metals from the following list which are quite active, three which are moderately active,
Microsoft Word - PC Part B and Solv Extract I Report_FA15.docxMicrosoft Word - PC Part B and Solv Extract I Report_FA15.docxMicrosoft Word - PC Part B and Solv Extract I Report_FA15.docx 1-Laboratory glassware comparison for solvent extraction: conc..
What is the airborne radioactivity concentration? Using 10 CFR 20, if the particles are composed of cobalt oxide, how many DAC does this represent?
In the first step of the trypsin mechanism, the side-chain oxygen of Ser 195 attacks the carbonyl carbon of the substrate. Use PyMOL and your model of the enzyme substrate complex to determine the distance between these two atoms.
What is the wavelength of the photons emitted by hydrogen atoms when they undergo n=4 to n=2 transitions in nm?
Calculate the mass in grams of iodine that will react compeltely with 20.4g of aluminum to form aluminum iodide
At a constant pressure of 0.905 atm, a chemical reaction takes place in a cylindrical container with a movable piston having a diameter of 40.0 cm. During the reaction, the height of the piston drop is by 65.0 cm. (The volume of a cylinder is V ..
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