How to calculate the atomic mass of y
The atomic mass of element X is 33.42 amu. A 27.80 g sample of X combines with 90.10 g of another element Y to form a compoundXY. Calculate the atomic mass of Y.
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Let X be a continuous random variable with probability density function:
A 22.8g bullet , moving initially at 690m/s, penetrates 7.44cm into a solid wall. a) What work is done by the wall while stopping the bullet? b) Assume the force of the wall on the bullet is constant and calculate its value.
Allicin is the compound responsible for the characteristic smell of garlic. An analysis of the compound gives the followingpercent composition by mass: C: 44.4%; H: 6.21%; S:39.5%; O: 9.86%.
Assuming that the resistance to mass transfer is a gas phase film of thickness 0.3mm, calculate the molar flux of A from the liquid to the gas phase. The following information is required.
A sanitation department is interested in estimating the mean amount of garbage per bin for all bins in the city. In a random sample of 40 bins, the sample mean amount was 50.1 pounds and the sample standard deviation was 4.7 pounds. Construct 95%
Public health officials claim that people living in low income neighborhoods have different Physical Activity Levels (PAL) than the general population.
Design variable are parameters that: a. describe specific conditions of use b. are under the control of the design engineer c. measure product performance.
In a random sample of patient records in Cutter Memorial Hospital, six-month postoperative exams were given in 90 out of 200 prostatectomy patients, while in Paymor Hospital such exams were given in 110 out of 200 cases.
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