How many grams of precipitate are formed
How many grams of precipitate are formed if 204 mL of a 0.896 Maluminum sulfate solution and 386 mL of a 5.46 M sodium hydroxide solution are mixed together?
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A stereo store is offering a special price on a complete set of components (receiver, compact disc player, speakers, turntable). A purchaser is offered a choice of manufacturer for each component:
The spheres are given identical charges and the midpoint of the thread is then suspended form a point on the ceiling. The spheres come to rest in equilibrium, with their centres 15cm apart. What is the magnitude of the charge on each sphere?
In order for the pressure of a fixed mass of gas at 13.2°Cto change from 2 atm to 3 atm and its volume to go from 4 L to 5 L,what must the final temperature become?
A plane ,driving at an angle of φ with the vertical, releases a projectile at an altitude of 730m. The projectile hits the ground 5.0s after it was released, having travelld a horizontal distance of 900m. (i) Calculate the speed of the plane w
When an opinion poll calls residential telephone numbers at random, only 20% of the calls reach a live person. You watch the random digit dialing machine make 15 calls.
The crate is then pulled by a hoist a distance of 3.4m across the flat truck bed in 8 seconds. Determine the work done in moving the crate and the power of the hoist when coefficient of friction is 0.6.
It requires 799 kJ of energy to break one mole of carbon-oxygen double bonds in carbon dioxide. What wavelength of light does this correspond to per bond?
In a sample of 20 bolts, the average breaking torque was 89.7 J with a standard deviation of 8.2 J. Assume that the breaking torques are normally distributed. Find a 99% prediction interval for the breaking torque of a single bolt.
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