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- Calculate the relative populations of a spherical rotor at 298 K in the levels with J = 0 and J = 5, given that ᷉ B = 2.71 cm−1.H4. A zinc pot (coefficient of linear expansion : ) is filled with mercury at 100 °C, then having a 10.0 L capacity. Cools down to 0°C. Calculate the mass of mercury, measured at °C, that must be added so that the vessel is completely full (coefficient of volumetric expansion of mercury: ). Density of mercury at 0 °C; 13.6g/cm3.R(x)=x2+9x+8/x+1 What is the equation of the vertical asymptote(s) of R(x)?
- Why is it usually more convenient to measure ΔH than ΔE?smoke particles in air typically have masses of the order of 10^-16 kg. The rapid, irregular motions of these particles caused by collisions with air molecules can be observed with a microscope. Assume a particular type of smoke particle has a mass of 3.00 x10^-16 kg and is in a room with a temperature of 300 K. a) if instead you were considering a hydrogen gas molecule (m= 3.34x10^-26 kg) at 300 K, would the average translational kinetic energy be larger than, smaller than or equal to that of the smoke particle? b) would the rms speed of the hydrogen atom be larger than, smaller than, or equal to that of the smoke particle?Calculate the relative populations of a linear rotor at 298 K in the levels with J = 0 and J = 5, given that ᷉ B = 2.71 cm−1.
- The cohesive energy density, U, is defined as U/V, where U is the mean potential energy of attraction within the sample and V its volume. Show that U = 1/2N2∫V(R)dτ where N is the number density of the molecules and V(R) is their attractive potential energy and where the integration ranges from d to infinity and over all angles. Go on to show that the cohesive energy density of a uniform distribution of molecules that interact by a van der Waals attraction of the form −C6/R6 is equal to −(2π/3)(NA2/d3M2)ρ2C6, where ρ is the mass density of the solid sample and M is the molar mass of the molecules.I think I have 3a, 3b done but I would like to see what you guys say is the correct answer, I am stuck on 3c and if you could do 4 as well so I can check my answers with yours that would be greatly appreciatedWhat is the value of the Born exponent for Fr+?
