Determine the density of nio
NiO (Nickel oxide) crystallizes in the NaCl type of crystal structure. The length of the unit cell of NiO is 4.18 Å. Determine the density of NiO.
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40ft ladder makes the angle of 72 degrees as it leans against the high wall. How far from the foot of wall is ladder and how high up the wall ladder reaches.
The most prominent line of aluminum in the line spectrum is found at 396.15nm. Determine the frequency of this line? Describe is the energy of one photon? Calculate the energy per mol?
Calculate the coefficient of determination (R2) and interpret. Describe the sampling distribution of b1. Calculate the estimated standard error of b1.
Determine the composition of the brass by mass? Explain how could this result be checked without changing above practice?
The three students were asked to calculate the identity of the metal in a particular sulfate salt. They dissolved sample of salt of 0.1472 g in the water and treated it with excess barium chloride, it is consequential in the precipitation of bariu
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Goal=$1000 from investments. Determine smallest amount you can invest in 4 and 1/2% fund and still meet the objective?
A list of 1331 numbers has average equal to 9 and the average of the squares of the numbers is 90. Show that at most 99 of the numbers are at least 20.
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