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Problem- A p-type Si is doped with NA acceptors close to the valence band edge. A certain type of donor impurity whose energy level is located at the intrinsic level is to be added to the semiconductor to obtain perfect compensation. If we assume that simple Fermi-level statistics apply, what is the concentration of donors required? Furthermore, after adding the donor impurity, what is the total number of ionized impurities if the above sample is perfect compensation?
I need proficient help to explain each and every step in detail of the above problems.
a.chlorine gas will react with nitrogen gas to yield nclg. at 500 k i mix 1.00 g of chlorine and 1.00 g of nitrogen in
Consider the reaction between sulfite and a metal anion, X2-, to form the metal, X, and thiosulfate:2 X2-(aq) + 2 SO32- + 3 H2O(l) ? 2 X(s) + S2O32- (aq) + 6 OH- for which Eocell = 0.38.
Two acid-base reactions are given below. Of the three reaction arrows presented in each reaction, select the arrow (via the multiple choice circle before it) that best indicates the acid-base equilibrium position
State balanced equation for the instauration test of cyclohexene using the half-reaction MnO4 MnO2
Only very pure phosphoric acid is used in food products. An older term for soft drinks is phosphates. This name was applied because pure phosphoric acid was used to produce a tart taste in some beverages and to help dissolve the other ingredients...
Milk of magnesia, a suspension of Mg(OH)2 in water, reacts with stomach acid (HCl) in a neutralization reaction.
in the formation of bromohydrin is there two water molecules being added to the reaction? One water molecule attaches to the carbon and the second one pulls off and H from the OH2 already attached to form H3O
determine the density in gml of a 0.70 g sample of oxygen gas that occupies 5.0l. compare the density of oxygen gas to
A total of 0.145 g of this subunit was dissolved in enough water to produce 2.00 mL of solution. At 28 Celsius the osmotic pressure produced by the solution was 0.138 atm. What is the molar mass of the protein?
Use the steady state approximation, with O treated as the intermediate, to find an expression for the rate of decomposition of O3, i.e. -d(O3)/dt. (Note, do not set d(O3)/dt equal to zero). When step 2 is slow, the rate of decomposition of ozon..
Identify the oxidizing agent and reducing agent. Determine the number of electrons transferred in the balanced chemical equation.
Convert concentrations keen on different units that is mg/L to mol/L to percent by weight and from molarity to normality.
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