Physics, 05.10.2019 05:30 glowbaby123
An ideal gas can be considered as a collection of n weakly interacting particles each of point mass m confined to a cubic volume with linear dimensions l. using quantum mechanics write the energy levels of one such particle in terms of m, l and the quantum number of the state n. how does the number of accessible quantum states for a single particle vary with n? if each particle has on average the thermal energy 3/2 kbtwhat is the average value of the single particle quantum number at 273 k? considering that the density of an ideal gas at standard temperature and pressure 273 k and 1 atmosphere) is about 2.7 x 1019 atoms/cm3, what is approximately the number of different microscopic states that one cubic centimeter of such an ideal gas could (and will) have at 273 k andp-1 atmosphere? now increase t of the cubic centimeter of gas by 1 k. what is the change in the number of accessible microstates?
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Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?
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An ideal gas can be considered as a collection of n weakly interacting particles each of point mass...
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