Calculate the atomic weight of the element
An element crystallizes in a body-centered cubic lattice. The edge of the unit cell is 2.69 , and the density of the crystal is 7.92 g/cm3. Calculate the atomic weight of the element.
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For a normal distribution, find the percentage of data that are (a) Within 1.32 standard deviations of the mean. (b) Between 3 standard deviations below the mean and 3.5 standard deviations above the mean (c) Less than \mu - 2.5 \sigma
A 2 meter long air column is open at both ends. The frequency of a certain harmonic is 410 Hz, and the frequency of the next higher harmonic is 492Hz. What is the speed of sound in the air column?
When a potential difference of 7.35 volts is applied to a certain ohmic resistor, the current in the resistor is 0.919 A. What is the current when the applied potential difference is 13.3 volts?
In china, the probability of a baby being a boy is 0.5845. Couples are allowed to have only one child. If relatives give birth to five babies, what is the probability that there is at least one girl? Can that system continue to work indefinitely
After a fourth unmeasured displacement, she find herself back where she started. Determine magnitude and direction of the fourth displacement!
One mole of and ideal moatomic gas, initially at STP, is adiabatically expanded into a vacuum. Calculate the temperature of the expanding gas. b.
You conducted a Chi-Square Goodness of Fit Test in your ASCI 691 capstone project. Unfortunately, you did not get the sample size you had hoped for during your research. You were able to get 55 in the sample. Calculate your actual power (post hoc)
When the region between the plates of a certain capacitor is filled with a dielectric material, its capacitance increases from 120 µF (microfarads) to 540 µ F (microfarads). What is the dielectric constant of this material?
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