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Applying the depletion approximation to a linearly graded junction with
derive expressions ror
(a) the electric field distribution.
(b) the potential distribution .
(c) the built-in potential. and
(d) the depletion-layer width.
If the volume of an unknown liquid is measured and found to be 6.510 L, what is the volume of the unknown liquid in milliliters?
A 20.0 mL sample of vinegar, which is an aqueous solution of acetic acid, , requires 19.5 mL of 0.700 M NaOH to reach the endpoint in a titration. What is the molarity of the acetic acid solution
What ions and/or molecules are present in relatively large proportions in a solution of a weak acid HCN (aq)
You are a laboratory assistant for your chemistry course. There are 250 students in the course, and each needs to use 25 mL of a 0.15 M solution of copper sulfate.
Predict the anode, cathode, and overall cell reactions when an aqueous solution of each of the following salts is electrolyzed in a cell having
Consider a mixture of argon and helium. The density of the mixture measured at t=22.8 C and p=791 torr, is d=0.662 g/L. What is xar, the mole fraction of argon in the gas mixture? You may assume that argon and helium behave ideally for the conditi..
Problem- What is the freezing point of a 2.35M aqueous solution of magnesium nitrate whose density is 1.12g/cm3
what will be the effect on the mass of the residue of over heating the hydrate so that the compound decomposes? will
If the reaction will occur, complete and balance the equation properly indicating gases and precipitates. If you believe no reaction will occur, write no reaction as the right-hand side of the equation. All reactants are aqueous solutions
An unknown gas effuses at a rate of 86.6 mol/hr. Under similar conditions, I2 effuses at a rate of 30.4 mol/hr. What is the molar mass of the compound.
Determine How hot should be the air in a ballon be heated if it has initially a volume of 750. L at the temperature of 20 degree celsius and the final volume must be 1,000.l
A copper cube measuring 1.60 cm on edge and an aluminum cube measuring 1.61 cm on edge are both heated to 55.3 C and submerged in 100.0 mL of water at 22.1 C.
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