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Calculate the wavelength of the atomic vibrations at wd (the Debye cutoff frequency) in copper and compare to its interatomic spacing. the Debye temperature for copper is 348k and the velocity of sound is 4000m/s.
The volume of a certain gas sample is 235 mL when collected over water at a temperature of and a pressure of 698 mmHg. What will be the volume of this gas sample when measured dry at a standard pressure? The vapor pressure of water at this tempera..
Explain what is the pressure in a 14.5 L cylinder filled with 0.440mol of nitrogen gas at a temperature of 315K
the base peak occurs at m/z 57, peaks of moderate intensity and found at m/z 29 and 43, and a weak peak occus at m/z 15. What is the curved arrows to symbolize the flow of electrons, account for the specified fragmentation peaks. Determine the com..
A 2.00 liter vessel is ?lled with NH3(g) to a pressure of 4.00 atm and the reaction N2(g) + 3 H2(g) ?? 2 NH3(g) comes to equilibrium at a ?xed temperature.
What pH will would measure for these solutions immediately? What would be the pH after the solutions equilibrate with the atmosphere
67 g of ice at 0 degree C added to a sample of water at 6 degrees, all the ice melts and decreases to 0 degrees. how many grams of water was in the sample?
What is the electron geometry. 3. What is the molecular geometry. 4. What are the hybridized orbitals. 5. Is the molecule polar or non-polar
determine what would be its temperature after absorption of 9.4 10-2 kwh of heat if 1.45 l of water is initially at
If you thought you had discovered a new element, how could you get the scientific world to accept your discovery? What roadblocks might you face, working outside the science community? How could you avoid being labeled a "crackpot"?
The vapor pressure of isopropyl alcohol at 25 C is 44 mmHg at sea level. Explain what is the vapor pressure at 25 C at 8555 ft
If only COF2 is present initially at a concentration of 2.00 M , what concentration of COF2 remains at equilibrium? Express the molar expression numerically
A rock is found to contain 83.7% of the amount of uranium-238 that it contained when it was formed. (The amount that the rock contained when it was formed can be deduced from the presence of the decay products of u-238 .) How old is the rock?
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