Calculate the ph of a solution prepared by mixing solution
Calculate the pH of a solution prepared by mixing two solutions:3.00 L of a solution containing 84.0 g of NaF and 1.00 L of a 0.250M HF solution. (Ka of HF = 7.0 x 10-4)
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Four missiles are fired at a target. If the probabilities of hitting the target are 0.3, 0.4, 0.5 and 0.6 respectively and if the missiles are fired independently then what will be the probability
Calculate: a) the output speed of the driven sheave. b) the length of belt required. c) select an appropriate standrad belt from the table based on the calculated length.
Finally, the student turns and walks a distance of 25.1 meters in a direction of 22 degrees south of east in 30.3 seconds. What is the final displacement of the student from the starting point?
Find: a) the pitch diameter of the pinion. b) the pitch diameter of the gear. c) the output torque of the gear. d) the minimum length of the key used to attach the gear?
Finally, the student turns and walks a distance of 25.1 meters in a direction of 22 degrees south of east in 30.3 seconds. what is the average velocity (direction and magnitude) of the student during his walking?
On a grid of 8 x 11, how many different ways are there to create a work of art filling each coordinate with either a C, M, P, or S where the C can be at brightness level 1, 2, or 3, but the M, P, and S can only have brightness of 2?
A molecule of water is composed of two atoms of hydrogen and one atom of oxygen (H20). If the atomic mass number of hydrogen is 1 and the molecular mass of water is 18, the atomicmass of oxyen must be
Finally, the student turns and walks a distance of 25.1 meters in a direction of 22 degrees south of east in 30.3 seconds. What is the average speed that the student was moving?
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