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To prepare a 13.5N ammonium hydroxide solution, you would need to dilute concentrated ammonium hydroxide solution (typically 28-30% concentration) with water in the proper ratio to achieve the desired concentration. Calculate the volume of concentrated ammonium hydroxide and water needed based on the desired final volume of the solution and mixing the two components slowly to avoid splashing. Ensure to wear appropriate personal protective equipment and work in a well-ventilated area when handling these chemicals.
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What if an objects weighs 135 newtons how much is the buoyant force to make a neutral buoyancy?
The buoyant force is 135N
If the measure of one interior angle of a regular polygon is 135 how many sides does the regular polygon have?
135n = 180n - 360, ie 45n = 360 so n = 8
A sign is hung by two chains from mast AB. The mast is hinged at a and is supported by cable BC knowing that the tensions in chains DE and FH are 225N and 135N respectively and that D equals 0.39m.?
To analyze the forces acting on the mast AB, we can use the equilibrium conditions for static structures. The tensions in chains DE (225 N) and FH (135 N) create moments about the hinge point A, and the distances involved, such as D (0.39 m), will affect the resultant forces. To ensure equilibrium, the sum of the moments around point A must equal zero, allowing us to determine the necessary support reactions at point C. Further calculations would be needed to find specific angles and resultant forces acting on the mast.
