Calculate the concentration of nh3(aq) necessary
Calculate the concentration of NH3(aq) necessary to initiate the precipitation of Zn(OH)2 from a 0.0010 M ZnSO4 solution. The Ksp for Zn(OH)2 is 1.8 x 10-14. The Kb for NH3 is 1.8 x 10-5.
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25.0 mL of a hydrofluoric acid solution of unknown concentration is titrated with 0.200 M NaOH. After 20.0 mL of the base solution has been added, the pH in the titration flask is 3.00. What was the concentration of the original hydrofluoric acid
The skier's mass is 59.0 kg, and the coefficient of kinetic friction between the skis and the snow is 0.100. Find the magnitude of the force that the tow bar exerts on the skier.
Calculate the maximum height x above the floor at which the person can push the lamp so that it slides rather than tips.
A uniform electric field of magnitude 350 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.60 cm. What is the work done by the field on the electron?
An electric field with a magnitude of 152 N/C exists at a spot that is 0.18 m away from a charge. At a place that is 0.51 m away from this charge, what is the electric field strength?
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An oscillator of 5 kg is attached to a spring with constant 2000 N/m and compressed a distance of 0.6m. What is the value of b that will cause the oscillator to be critically damped? What is the time constant?
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