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Nickel consist of an fcc crystal structure. When the Ni atoms at the center of the faces of the cubic cell are replaced by Al atoms, an ordered alloy is obtained. Find out the composition of the all
What would be the product of the reaction by using the solubility rules, would you expect there to be a reaction between NaCl and CaCl2?
When a TV set were laid on its back, what potential difference, acting over a distance of 15 cm, would be required to balance the downward force of gravity so that an electron would remain stationar
Determine the minimum amount of heat that must be dissipated to the environment when one ton of air is separated into the nitrogen (21% by mole) and oxygen (79% by mole).
The department store finds twice as many customers purchase two units of $3.95 (for the pair) as purchase one unit for $2.15. Find expected purchase price per unit?
The corresponding third-law standard entropies are 69.95J/mol and 188.835 J/mol at the same temperature. The standard enthalpies of formation (at 298K) of liquid and gaseous phases of water are -241
Would both rings have approximately the same value? Fully explain your reasons. Which ring, cyclopentene or cyclobutene, would you expect to have the greatest heat of hydrogenation per m
A uniform electric field having magnitude 370 N/C pointing in the positive x-direction acts on the electron, that is initially at rest. The electron has moved 3.00 cm. (i) Determine the work done by
Determine the wavelength of the light emitted when a hydrogen atom electron returns to the n=1 level from n= 5? ( first determine the energy difference)
If its population is disovered to be at the certain level at 10 pm on same day, then at what time was its population at the third of that level?
Determine the partition function of the electronic states at 2000 K. Determine the relative population of each level at 2000K. A certain atom has a triply degenerated ground level, anon-degenerated
The double-slit interference experiment represents fringes on a screen. The whole experiment is then immersed into the water. Do the fringes on the screen get closer altogether, farther apart, remai
At what temperature will 15 percent of the molecule be in the upper state? A certain molecule has a doubly degenerated excited state lying at 360 cm-1 above the non-degenerated ground state.
Find out the magnitude of the coil separation b which for given coil radius a will make the field in this region as near uniform as possible.
When the population of the upper state is one-half that of the lower state, determine the temperature of a two-level system of energy separation equivalent to 300 cm-1
The density of kidney is 1.04 g/cm3, and the speed of sound in the kidney is 1.557 X 105 cm/s. 150 J of energy is to be passed via the kidney. What total time must the sound waves is permitted to pas
Determine the frequency separation of the nuclear spin levels of a14N nucleus in a magnetic field of 14.4T given that themagnetogyric ratio is1.93x10+7T-1s-1.
A hockey puck of 0.450 kg, moving east (+ direction) having a speed of 4.20 m/s, consists of a head on collision having a 0.900 kg puck initially at rest. Supposing a perfectly elastic collision, de
Discuss the possible orientations of the angular momentum in terms of the angle it makes with the z-axis? For a 14N nucleus, determine the magnitudes of the spin angular momentum and its allowed
Calculate the length of the edge of a unit cell, the radius of a copper atom is 90.2pm, if the copper crystallizes in the face-centered cubic lattice.
They encompass a constant surface area of 1.7 m2, and they sleep (35 Cal/hr m2) for 8 hour per day. Determine their average metabolic rate for the waking part of their day?
State amount A of material utilized to make such a box as the function of length x of the side of the base. Ensure to illustrate all of the work.
Excess trioxide needed the .22ml of 0.07609M NaS2O3. Identify the weight percent of ascorbic acid (FM 176.13) in the unknown.
When they do nothing to vary their daily routine, determine how much weight would they put on? Suppose that the added weight would be fat.
A polymer solution is produced by dissolving the 0.0418 g of the polymer in cyclohexane, C6H12, MW = 84.16g/mole to produce a solution of final volume 100.0 mL.