Explain whether two suspected compounds was identical
A compound melting at 134C was suspected to be either aspirin(mp 135C) or urea(mp 133C). Explain how can you determine whether one of these two suspected compounds was identical to the unknown compound without using any for of spectroscopy.
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Given the function f(x)= 6x +2, calculate the following values
Calculate the present value of this annuity at an annual effective interest rate of 8%.
If you construct a 12 faced polyhedron of all congruent rhombi, where at each vertex either three or four angles meet. What is the specific angle for the rombus to build this object? How is it found? (vector notation prefered)
An angle of a triangle is 100 degrees. The other two angles are in ratio of 3:5. what is the measurement of the smallest angle in degrees?
From a boat on the river below a dam, the angle of elevation to the top of the dam is 21°52'. How far is the boat from the base of the dam (to the nearest foot)?
Two angles are supplementary. The measure of the smaller angleis one-half the measure of the largeer angle. Find the the degree meausre of the larger angle.
At the local grocery store, lemons are 52 cents each and limes are 21 cents each. How many lemons and limes can you buy for exactly $3.75?
The table shows values of a force function f(x), where is measured in meters and f(x) in newtons. Use the Midpoint Rule to estimate the work done by the force in moving an object from x = 4 to x = 20.
Five boxes have different weights, each less than 100 lb. When the boxes are weighed in pairs, the weights (in lbs) of all possible combinations are. What is the weight of the heaviest box?
A boat is pulled into a dock by a rope attached to the bow of the boat. If the rope is pulled in at a rate of 1 m/s, how fast is the boat approaching the dock when it is 8 m from the dock?
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