Find h and the ph of the following solutions a 30m hbr b a
Find H+ and the pH of the following solutions a) .30M HBr b) a solution made by diluting 10.0 mL of 6.00 M HCl to .300 L with water
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A rope is used to pull a 4.56 kg block at constant speed 5.47 m along a horizontal floor. find the work done by the rope's force
Compare the maximum theoretical PCE for 980-nm and 1475-nm pumping in an EDFA for a 1545-nm signal. Contrast this with actual measured results of PCE = 50.0% and 75.6% for 980-nm and 1475-nm pumping, respectively.
If the spring is pulled until it stretches 2.40cm and the pack remains at rest, what is the force of friction exerted on the backpack by the table
the purchasing power P of a certain unit of currency declines by 3 percent per year. Determine the time constant associated with the purchasing power of this currency.
From the first e-Activity, choose a location and provide a review of the different type of environmental concerns and chemical contaminants. Note: Be sure to explain the source of chemical exposure, as well as any strategies to minimize or eliminate
Find the minimum compression of the spring needed to keep the block from falling, given that the coefficient of static friction between the block and the wall is 0.50
What is delta S if 3.00 moles Pb is cooled from 200 °C to 25 °C {J/K}? (B)What is the molar S° (473 K) if the value at 25 °C is 26.44 J•mol -1 •K -1
A silicon semiconductor resistor is in the shape of a rectangular bar with a cross sectional area of 1x10-6 cm2 a length of 0.1 cm and is doped with a donor concentration of 5x1016 cm-3. (a) Calculate the resistance of this resistor at 300K.
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In our readings, we learn more about the nature versus nurture argument. For this discussion, I want you to go in depth a bit more and debate the importance
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