Find number of vacancies for energy for vacancy formation
The number of vacancies present in some metal at 774°C is 1.8 x 1024 m-3. Calculate the number of vacancies at 571°C given that the energy for vacancy formation is 1.18 eV/atom; assume that the density at both temperatures is the same.
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1) Find P(X > 12) if X is distributed as a Normal with mean 15.1 and standard deviation 4.7. Remember, probabilities should be written out to 4 decimal places
Calculate the number of vacancies at 571°C given that the energy for vacancy formation is 1.18 eV/atom; assume that the density at both temperatures is the same.
What is the percentage of typists who type 60 wpm or faster given that typing speed is normally distributed with a mean of 45 wpm and a standard deviation of 12 wpm? Remember, probabiities should be written out to 4 decimal places.
is collected over waterat 27 C in a 2.00 L vessel at a total pressure of 760 torr. (The vapor pressure of H2O at 27 C is 26.0 torr.) How manymoles of KClO3 were consumed in the reaction?
A random sample of 10 college freshmen underwent an intensive training course to improve their biology test scores. Each students test scores from before the course and after the course are listed below. Calculate a two-sided 95% confidence interv
The analytic scores on a standardized aptitude test are known to be normally distributed with mean =580 and standard deviation = 150.
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