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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A security camera is mounted 9 feet above the floor. What angle of depression should be used if the camera is to be directed to a spot 6 feet above the floor and 12 feet from the wall?
The plane passes through the point (1,5,1) and is perpendicular to the planes 2x + y - 2z = 2 and x + 3z = 4, what is the equation of this plane?
Describe the order of operations and explain how it is used to simplify expressions. Explain specifically the order in which mathematical operations must be performed to correctly simplify an expression.
Predict the time required for the ball to fall to the ground and the horizontal distance between the tables edge and the balls landing location.
Seattle Greenery In July in Seattle, the grass grows 1/2 in. a day on a sunny day and 1/4 in. a day on a cloudy day. Determine the expected amount of grass growth on a typical day in July in Seattle.
Two cities have nearly the same longitude of 101 W. the latitude of the first city is 23 2', and the latitude of the second city is 36 50'. approximate the distance between the cities if the average radius of the earth is 3955 miles.
Custom Office Furniture is introducing a new line of executive desks made from a specially selected grade of walnut. Initially, three models- A, B, and C- are to be marketed
A weight attached to a spring is pulled down 2 inches below the equilibrium position. Assuming that the frequency of the system is 5/π cycles per second, determine a trigonometric model that gives the position of the weight at time t second.
How much metal trim is needed for the perimeter of the entire window, and how much glass is needed for the opening of the window?
The angle of depression to the top of the mast and the base of the ship equal 30 deg and 45 deg respectively. How far is the ship fromt he lighthouse in meters?
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