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For the following process steps.. assume that you use a positive photoresist and that etch selectivity is infinite. A composite plot of four photo masks is given in Fig. 3- 26. Assume that mask alignment is perfect. All contact sizes are 0.5 x 0.5 µm. The poly 1 and poly 2 areas are opaque. and the contact I and contact 2 areas are clear in the masks. Draw the cross section at the end of each process step along the cut line shown in the figure
For a particle in two-dimensional 1 box L1 = L2 = L tabulate the energy values in the lowest 4 energy levels (as multiples of E where E = H2 /8mL2) as well as degeneracy of each level.
A gaseous mixture of O2, H2, and N2 has a total pressure of 1.50 atm and contains 8.20 g of each gas. Find the partial pressure of each gas in the mixture.
Question- Describe what you would expect to happen to the C-C and O-O bonds if you removed an electron from each to make C-C+1 and O-O +1. Would the bonds get longer, shorter or stay the same and why
A sample of Br2(g) takes 34.0 min to effuse through a membrane. How long would it take the same number of moles of Ar(g) to effuse through the same membrane
Problem- A cubic block of phosphorus pentabromide, PBr5, with sides of 3.76cm weights 186.6g. Has a density of what?
Determine the density of air in grams per liter at a temperature of 20.5 deg. C and a pressure of 755 mmHg. Assume that air is approximately 20% O2 and 80% N2 (i.e. the mole fraction of oxygen is 0.20 and the mole fraction of nitrogen is 0.80)
Which of the following is false concerning the Lewis Theory?
A meteorological ballon contains 250.0L He at 22 degrees celsius and 740.0mm Hg. If the volume of the ballon can vary according to external conditions
If the total number of electrons in a homonuclear diatomic molecule is 14, what is the overall bond order of the molecule
If the permeate stream is 50 mol% O2, and the reject stream is 13 mol% O2, what are the volumetric flow rates(L/min) of the two outlet streams
How can I calculate the equilbrium constant and delta G and S given the enthalpy per mol of reaction and the final number of moles at equilbrium?
Consider the acid-catalyzed cleavage of propylene oxide with 1-propanol. Provide abbreviated structural formulas for the protonated epoxide substrate and of 1-propanol
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