Deuterium is an isotope of hydrogen of atomic weight 2.014 atomic mass units. the diatomic deuterium molecule has a bond length of 0.0742 nm. calculate the population of its first excited rotational state, relative to its ground state, at a temperature of 25 k.

Describe how the fermi level changes with donor level, temperature and contact with p and n type semiconductors

The car hoist allows the car to be driven onto the platform, after which the rear wheels are raised. if the loading from both rear wheels is 1380 lb, determine the force in the hydraulic cylinder ab. neglect the weight of the platform itself. member bcd is a right-angle bell crank pinned to the ramp at c. the force is positive if in tension, negative if in compression.

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47