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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Write the expression in terms of a single trigonometric function:
Formulas are equations that have been used so frequently in certain applications that they have become standard. Examples are the simple interest formula, I = PRT, and selling price, S = C + M.
The two games together earn $3725.50 for the team. Thursday's game generates $397.50 less than Sunday's game. How much money was taken in at each game?
A plane is headed due south with an air speed of 192 mph. a wind from a direction of a 78º is blowing at 23.0 mph. find the groundspeed and resulting bearing of the plane.
Prove that the centroid of any triangle is located at the point of intersection of the medians. [Hints: Place the axes so that the vertices are (a, 0), (0, b), and (c, 0).
a) using differential calculus calculate the area of the stainless steel. b) using the second derivative determine if this is the minimum volume.
An 825-kg space vehicle is circling Earth in a circular orbit with a radius of 10,300 km. Its orbit is to be changed to a larger circle with a radius of 17,400 km. How much energy is required to accomplish this? The mass of Earth is 5.97 * 10^24 k
If it takes three hours for the snowball to decrease to half its original volume, how much longer will it take for the snowball to melt completely?
You are given two segments, with AB = 4 and with CD = 7. Explain how you could use only the congruent-segments construction to construct with EF = 1.
After the delivery, what will the hieght of the fuel in the storage tank be, to the nearest tenth of a foot, if the storage tank had 1 foot of fuel in it before the truck unloaded its fuel?
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