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Question- Consider a 'travelling wave' represented by the amplitude function: A (x) = Ao*Exp[i k x] where the parameter "k" can be any positive or negative real number, and Ao is a positive real number. (A) What is the physical significance of the sign of k ? (B) What must the units of k be? (C) Show that the intensity, |A (x)|^2 , of this travelling wave is nonzero everywhere, and independent of the coordinate x.
As much detail as feasible is really appreciated
Justify the Born-Oppenheimer approximation based on vibrational frequencies and the timescale for electron motion.
if the solid NaCl in a saturated solution of NaCl continues to disolve, why is there no change in the concentration of the NaCl solution
Aluminum oxide, Al2O3 (molar mass = 101.96), occurs in nature as a mineral called corundum which is noted for its hardness and resistance to attack by acids. Its density is 3.97 g/cm3. Calculate the number of atoms of aluminum in 15.00 cm3 of coru..
Liquid HCN is unstable with respect to trimer formation. What would be the structure of this trimer
Use the values of Ka1 = 0.056 and Ka2 = 5.4 x 10-5 to calculate the [OH-] in a 0.898 M solution of oxalic acid (H2C2O4). Use E notation and 3 significant figures.
A solution is prepared by dissolving 246 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
What is the difference between Kc and Qc? How can you use Kc and Qc to predict the direction of equilibrium mixture to move?
At MIT, there is a winter-time student tradition of taking a large quantity (1 kg) of sodium metal and tossing it into the Charles river, where it explodes, gets tossed back into the air, falls again and explodes etc. over and over again until all..
You make 10-4 M solutions of NaOH and NaHCO3 and a 10-4.3 M solution of Na2CO3. You use pure distilled water that has been fully degassed.
Question- Hydrocarbons containing halogens are very useful molecules in synthetic chemistry. Use tabulated thermodynamic data as needed to calculate? Hf° for the reaction product in the equation shown below if? H° for the reaction is -41.00 kJ.
How many moles contain each of the following? 3.75 x 10^24 molecules CO2
your stomach is a chemical reactor. when you consumea fast food 0.99 hamburger in about a minute it acts like
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