Computing the ph of a solution
Calculate the pH of a solution that has an ammonium chloride concentration of 0.050M and an ammonia concentration of 0.045M. Explain using an ice diagram, if possible.
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Where the x- and y-coordinates are in m and the magnitude of the velocity is in m/s. Determine if there are any stagnation points in this flow field, and if so, where are they.
A car radiator has an effective heat transfer area of ??15 m2. Cooling water temperature is 85 C in and the 60 C out of the radiator. The engine power is 25 hp and its effective thermal efficiency is 0.25.
How large a current (in the equatorial plane) would be required to produce such a field?
Heat loss of 0.3 kW occurs from the compressor to the surroundings. Consider variable specific heats for air. Calculate the change in specific entropy (kJ/kg-K) of air.
A steel pipe of 100-mm diameter is to support the loading shown. Knowing that the stock of pipes available has thickness varying from 6mm to 24mm in 3-mm increments, and that the allowable normal stress used is 150 mpa, determine the minimum wall
Two long straight wires are parallel and carry current in opposite directions. The currents are 8.00 and 12.0 A and the wires are separated by 4.00 cm. What is the magnetic field in Tesla at a point midway between the wires?
Obtain a general expression for the acceleration of a fluid particle in this velocity field. Calculate the acceleration of fluid particles at the points (x, y) = (0.5, 2), (1, 1), and (2, 0.5),
A 70kg rectangular door measures 1.2m wide by 2.3m tall. It closes automatically using two hinges with torsional springs mounted on the vertical edge of the door.
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