What was the speed of the sound in the air at the time
In an experiment for measuring the speed of sound, a gun was shot 715m away from the observer. It was heard 2.13seconds after the flash was seen. What was the speed of the sound in the air at the time?
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How many liters of Cl2 gas at STP are produced by the reaction of 30.0 mL of a 12.0 M solution of HCl? (That is,there are 12.0 mol HCl per liter of solution.) There is an excessof KMnO4. The reaction is 2KMnO4 + 16 HCl = 2 KCl + 2 MnCl2+5
Find the following for both the dial and the digital indicator (1) the UCL for X, (2) the LCL for X, and (3) the UCL for R. Interpret your results.
What is the expression for the work done by non-conservative forces on the rock? (Use any variable stated above along with the following as necessary: g)
X-ray diffraction from crystals provides one of the most accurate ways of determining the Avogadro's number. Silver crystallizes in a face-centered cubic lattice with all atoms at the lattice points.
Air flows through a pipe at a rate of 200 L/s. The pipe consists of two sections of diameters 20 cm and 10 cm with a smooth reducing section that conects them. Determine the differential height of water between the two pipe sections.
Let A be the event that all of the bolts are torqued correctly, let B be the event that the #3 bolt is not torqued correctly, let C be the event that exactly one bolt is not torqued correctly, and let D be the event that bolts #5 and #8 are torqu
When 1.25 moles of Br2 are put in a 0.770-L flask,2.00 percent of the Br2 undergoes dissociation.Calculate the equilibrium constant Kc for the reaction.
A quantity of 0.20 mole of carbon dioxide was heated to acertain temperature with an excess of graphite in a close container until the following equilibrium was reached.
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