How many grams of metallic aluminum would be required
Elemental (metallic) aluminum (Al) is reactedwith HCl to yield aluminum chloride (AlCl3) and hydrogen gas (H2). How many grams of metallic aluminum would be required to produce 1 gram of pure hydrogen gas?
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Tyler dropped a water balloon out of a dorm window that is 12 m above where a teacher is walking. What is the speed of the water balloon when it hits the teacher walking below?
The minimum enclosed volume is 14% of the maximum enclosed volume. How much power will this engine produce when operated at 2500 rpm? Use constant specific heats at room temperature.
Three point charges lie along a straight line, where q1= 6.00µC, q2 = 1.50µC, and q3 = -2.00µC. The separation distances are d1 = 3.00 cm and d2 = 2.00 cm. Calculate the magnitude and direction of the net electric force on (a) q1
A smooth sheet metal duct of rectangular section (0.75ft by 2.5ft) is to be used. Determine the pressure drop (inches of water) for a 1000-ft horizontal duct section.
A loudspeaker at the origin emits sound waves on a day when the speed of sound is 340 m/s. A crest of the wave simultaneously passes listeners at the (x, y) coordinates (38 m, 0 m) and ( 0 m, 27 m).
Assuming an exponential failure time distribution, construct a 95% confidence interval for the mean time between failures of the capacitors. Interpret the interval.
A 0.40 kg billiard ball traveling at a speed of 16 m/s strikes the side rail of a pool table at an angle of 60° (Fig. 6.26). If the ball rebounds at the same speed and angle, what is the change in its momentum?
Find the probability the component will fail before t = 2 hours. What is the reliability of this component at t = 5 hours.
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