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The state of an electron in 1-D cavity of length 1.0 nm in a semi conductor is described by the normalized wave function Ψ(x)= 1/2Ψ1(x) + [1/(2i)] Ψ2 (x) -(1/2)1/2 Ψ4 (
Cost of hosting the dinner in the particular restaurant is provided by y = 18.5x + 250, where x is number of people at dinner and y is dollars. Determine the slope of this function?
If the electron is in the state n=1, determine the probability of finding it in the region 0 ≤ x ≤ 1/4L and when an electron confined to a metallic nano-particle is modeled as a pa
Discuss the relation among potential energies and mean kinetic energy of an electron in a hydrogen atom?
Determine the formula for Poiseuille's Law, provided that rate of flow is proportional to fourth power of radius. Use k for proportionality constant.
If the atomic weight of iron is 55.845 kg/k mol, and the atomic radius is 0.156mm, and when a room temperature iron has a BCC structure, analyze the density of iron.
The two solutions of sodium acetate are organized, one with a concentration of 0.01 M and with a concentration of 0.1 M. Find out the pH values when the following concentrations of HCl have been add
Determine the separation in kilojoules per mole, Joules, electron volts and wave numbers among the levels n1 = n2 = 2 of an electron in a square box with sides of length 1.0 nm when some n
The box of fixed volume, V, has the square base with side length, s. Write the formula for height, h, of box as the function of s. V will also be in the answer and this is the upper case V.
At the rate of 4.5 g/s the nitrogen gas is being withdrawn from a 0.15-m3 cylinder, initially having the gas at a pressure of 10 bar and 320 K. During the emptying process the cylinder does not
Explain the number of rotational, vibrational and translational degrees of freedom of CO2 and CH4. Determine the molar specific heat for hydrogen gas by using the equipartition theorem.
A bacteria culture begins with 900 bacteria and doubles in size every half hour. How many bacteria are present after four hours?
At 39oC ordered helix to a disordered coil in ethylene-dichloride-dichoroacetic acid solvent and 1 atm the synthetic polybenzyl-L-glutamate undergoes a transition from.
The standard enthalpy change of the transition is 732 kJ/ mol. The myoglobin unfolds with the transition temperature of 45oC. Find out the entropy of unfolding of myoglobin at 298K.
Explain how much disodium citrate and sodium citrate must be used, in order to make a liter of a pH 4.5 citrate buffer with a total citrate concentration of 0.25 M.
Calculate the area in square meters of 363 g Al foil that has a thickness of 16641 nm which is having the density of Al is 2.70g/cm3.
A 50.0 mL graduated cylinder has a mass of 50.7 g. When a graduated cylinder is filled with an unknown liquid to the 39.4 mL mark, the liquid and cylinder combined have a mass of 156.6 g.
Coin box has 3 times as many nickles and 4 times as many quarters as it does dimes. If box has the total of $96.25, how many coins of each type does it have?
Determine the numbers of grams of KI are required to produce 1.0g of the yellow solid PbI2?
Determine the numbers of grams of the phosphorus-having compound are you putting on your lawn? If the phosphorus-containing compound consists of 43.64% phosphorus, determine the numbers of phosphoru
Sodium carbonate is used to standardize acids in the same way it may be a reagent that you have used KHP in this experiment.
The goldsmith has 120 grams of the gold alloy (the mixure of gold and one more other metals) having 75% pure gold. How much pure gold should be added to the alloy which is 80% pure gold?
At 300.0 K a 28-L volume of gas contains the 1.5g of nitrogen, 11 g of methane and 16 g of carbon dioxide. Calculate the partial pressure exerted by each gas.
At 285 K a bottle has an ideal gas at a pressure of 155.7 x103 Pa. The rubber stopper closing the bottle is removed. The gas expands adiabatically against Pexternal = 111.4 x 103 Pa and
It turned dark before she was prepared to return home, so friend drove her home at the rate of 80 kilometers per hour. Aya's total traveling time was 3 hours, how far away did her friend live?