Determine the pressure at which the mean free path
Determine the pressure at which the mean free path of a hydrogen molecule well be 1.0 mm, 100 mm, and 1.00 m at 20 C.
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Sketch a Born-Haber cycle and then summarize it by writing what ΔH of dissolution is equal to and how is the heat of dissolution of the salt NH4Cl(s) related to the lattice energy of NH4Cl(s) and the hydration energy of NH4+(g) plus X
Determine the radius of the ball by assuming the Stake's Law and using that the viscosity (n) = 0.891 x10-3 kg m-1 s-1 @ 298 K.
A 2.38 g sample of the compound at 41.1 °C exerts a pressure of 655 torr in a 0.569 L container. Analysis of a compound containing only phosphorus and fluorine was found to be 24.1% by mass phosphorus.
Compute the overlap of two s atomic orbital, an s and an atomic orbital, and two p atomic orbital. Construct sketches of the newly produced molecular bonding and the anti-bonding orbital.
At time t = 0 the object is pulled to a distance of 28.1 cm from its equilibrium position (which you might select conveniently at x = 0). The surface on which the object moves is frictionless.
Suppose the diameter of a hydrogen atom to be 100 pm. Interstellar space has an average temperature of about 10 K and an average density of hydrogen atoms of about one hydrogen atom per cubic meter.
The vibration of tympanic membrane in the human ear (eardrum) can be explained as a harmonic motion. Supposing a mass of 20.6 mg and a period of vibration of 1.72 ms, determine the natural vibration frequency of the membrane?
What is the temperature of the sample if B = 1.9227 cm^-1 for CO? In a rotational spectrum of CO, the maximum-intensity line is associated with the J=8.
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