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One excited state of the sodium atom lies at 25 739.86 cm1 above the ground state, another lies at 50 266.88 cm-1 . Suppose they are connected by a perturbation equivalent in energy to
(a) 100 cm-1 ,
(b) 1000 cm-1 ,
(c) 5000 cm-1 .
Calculate the energies and composition of the states of the perturbed system.
You are given two different gases that are at the same conditions and you mix them in equal volumes. Determine the molar entropy of mixing, ?
Determine and plot the resultant of the weight force and inertia force. Determine the required spring constant of a spring which will maintain contact of the follower with the cam throughout the cam rotation.
When the steel cantilever beams AB and CD are mounted, there is a 4-mm gap between their free ends A and C. Determine the contact force between A and C when the 2-N load is applied. Use E = 200 GPa for steel.
it is highly desirable to make benzene from ethane from shale gas in a continious vapor-phase reaction3c2h6 --gt c6h6
A cylindrical wooden storage vat has a 20 ft outside diameter. It is filled with 24 feet of brine with a specific gravity of 1.06. The wooden staves making up the vat are bound by flat steel bands evenly spaced vertically around the tank.
boron is diffused into highly pure germanium at 1000oc q 105 kcalmol do 1.1 x 10 m2sec. a steady surface
At a pressure of 200 psia, 45 percent of the readings are within 1 psia. What conclusions do you draw from these readings? Can you estimate a standard deviation for the pressure gage?
at time t0 the postion vector of a particle moving in the x-y plane is r5i m. by time t 0.02 s its position vector has
a thermocouple outputs a voltage that is linearyl proportional to temperature. it is used to measure an input signal
design a polynomial follower motion with asymmetrical rise-fall single dwell and find peak velocity ms acceleration ms2
Extensive testing of an experimental 2820-lb automobile reveals the aerodynamic drag force FD and the total no aerodynamic rolling-resistance force FR to be as shown in the plot. Determine (a) the power required for steady speeds of 22 and 44 mi/hr o..
A steam power plant operates on a simple Rankine Cycle between the pressure limits of 10MPa and 50kPa. The mass flow rate of the steam is 50kg/s. The quality of the steam at the turbine exit is 90%.
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