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?
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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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