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You want to load 15 μg of protein in 10 μL into one ofthe 12% polyacrylamide gel well. The protein needs to be in 1Xbuffer and in a total volume of 0.100 ml. You are given a 4.5 mg/mlprotein s
The tungsten filament of one of your round bulbs has a radius of about 0.015 mm. Calculate the electric field required to drive 0.15 ampheres of current through the glowing bulb and show that it is
How much ice (in grams) would have to melt to lower the temperature of 352 mL of water from 26 C to 6 C?(Assume the density of water is 1.0 g/mL.)
Write a system of linear equations to represent the situation. Then use Cramer's rule to find the number of $10 bills.
The mass of a star is 1.49 x 1031 kg and it performs one rotation in 26.1 days. Find its new period (in /days) if the diameter suddenly shrinks to 0.59 times its present size. Assume a uniform mass
The four suquential sides of a quadrilateral have lengths 4.5 cm, 7.9 cm, 9.4cm, and 12.9. The angle between the two sides is 117 degrees. What is the area of this quadrilateral?
Two planes leave the same airport at the same time. One flies at at 20 degrees east of north at 500 miles per hour. How far apart are the planes after 2 hours?
When carbon is burned in air, it reacts with oxygen to form carbondioxide. When 12.0 g of carbon were burned in the presence of48.0 g of oxygen, 16.0 g of oxygen remained unreacted.
Calculate the fraction of the principal species in the solution by mixing 0.1Mleucine and 0.1M NaOH, and the pH of that solution.
Find the annual percentage yield (APY) for a savings account with annual percentage rate of 3% compounded quarterly.
A puck of mass m = 1.00 kg slides in a circle of radius r = 23.0 cm on a frictionless table while attached to a hanging cylinder of mass M = 3.80 kg by a cord through a hole in the table. What speed
Describe procedure for preparing 250 ml of buffer solution with apH of 5.00 from acetic acid (CH3COOH) and sodium acetate. How many grams of acid you have to mix with 3.6 grams of sodium acetate.
What does the change from exponential growth to linear growth indicate about the long-term concentration in the atmosphere.
The rate of a particular reaction quadruples when the temperatureis increased from 20.°C to38°C. Calculate the activation energy for this reaction.
Four balls, each of mass m, are connected by four identical relaxed springs with spring constant k. The balls are simulataneously given equal initial speeds v directed away from the center of symmet
Two long parallel wires whose centers are 21.0 cm apart are part of the same circuit. Each wire carries equal currents in opposite directions. Find the self-inductance of a 120.0 cm long section of
If you were uncertain as to which layer in the separatory funnelis aqueous when extraction an aqueous solution with an organic solvent, how could you settle the issue?
At the instant a battery is connected into a LR circuit, the emf in the inductor has its maximum value even though the current is zero. Explain.
Photosynthesis is a primary source of food and energy foralmost all living organisms. Recently, scientists have found livingorganisms in deep hydrothermal vents in oceans.
Calculate the molarity of the standard base solution if a5.1362g sample is used to prepare 100ml in the volumetric flask.(Molecular weight: 121.13g)
Yesterday, he hiked 39 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground. Write the answer as a fraction and show all steps please.
How do you prepare a solution with distilled water, with pH 7and conductivity 50 microsiemen s/cm (and another one with 200 microsiemen s/cm, same pH).
Calculate the capacitance. The resistivity of the glass is rho = 1.2 x 10^13 ohms*m, and the dielectric constant is k = 5.6. Hint: Remember that I = dQ/dt.
By cutting out equal corners of side x and bending up the sides explain how to determine the maximum possible capacity for a storage bin constructed in this way. What is the maximum cpacity?
Three hours after taking a pain medication, 41% of the medication still remains in the bloodstream. Let m be the 1-hour decay factor. Find the 6-hour decay factor.