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A 70 kg man jumps 1m down onto a concrete walkway. His downward motion stops in 0.0200 seconds. If he forgets to bend his knees, what force is transmitted to his leg bones?
Lactic acid, HC3H5O3, is a monoproctic acid that forms when milk sours. An 18.50 ml sample of a solution of lactic acid required 17.52 ml of 0.1550 M NaOH to reach an end point in titration.
The gas arsine, AsH3, decomposes to form solid arsenic and hydrogen gas in the following equilibrium reaction: 2AsH3(g) 2As(s) + 3H2(g) You inject 280.0 torr of arsine into an evacuated chamber, and measure a total pressure on successive days th..
Calculate the vapor pressure of water above a solution prepared by dissolving 35.0 of glycerin () in 135 of water at 343 . (The vapor pressure of water at 343 is 233.7.)
Calculate the solubility (in M units) of ammonia gas in water at 298K and a partial pressure of 6.50bar . The Henry's law constant for ammonia gas at 298K is 58.0 M/atm
Problem- Use LeChatelier's Principle to explain the changes to all four equilibria. Show all chemical reactions, describe what the stress was in each case and how Le Chatelier's principle resulted in the change.
You analyzed the C18 content of a sample of ground beef. You took 5 g of beef, homogenized into buffer and centrifuged. The volume of the supernatant was 14 ml.
Does GLC analysis allow you to skip the IR analytical method? Compare the two methods for advantages and disadvantages.
a cylinder with a moveable piston contains 0.93 of gas and has a volume of 344. what will its volume be if an
What is the pressure (in millimeters of mercury) inside a container of gas connected to a mercury-filled open-end manometer of the sort shown in Figure 9.4 in the textbook when the level in the arm connected to the container is 17.0 cm lower than ..
The you heat it to 80 deg C and add 5.00 more grams of sugar. Assuming you do not get a supersaturated solution, what is the amount of sugar in the solution and the amount of solid out of solution, if he cools it to 58 deg C
Correct the second part of each of the following names. (Type your answer using the format copper(II) chloride for CuCl2, and CO2 for CO2.) (a) N2O4 is tetraoxygen dinitride.
Compute the osmotic pressure of a solution containing 18.45mg of hemoglobin in 14.5mL of solution at 24?C. Explain the molar mass of hemoglobin is 6.5×104g/mol.
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