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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 level in the arm open to the atmosphere, and the atmospheric pressure reading outside the apparatus is 763.4 mmHg?
Estimate the weight load on a roof on lbs/ft^2 for 60 inches of snow. Assume that 10 inches of snow is equivalent to 1 inch of liquid water if melted. Liquid water is 62.4 pounds/cu-foot
carbon footprint is the amount of greenhouse gas emissions
How many double bonds are present in the "best" resonance structure of the phosphate ion?
Use the van der Waals equation of state to calculate the pressure of 3.20 mol of Xe at 481 K in a 5.80-L vessel.
Explain what is the pH of 1 liter of a 200mM MES aqueous solution? Require to solve a quadratic equation. Explain how much solid NaOH in grams wants to be added to the MES solution to make a buffer at pH 6.5
Explain what is the pH of a solution that results when. 010 mol HNO3 is added to 500mL of a solution that is .10 M in aqueous ammonia as well as .61 M in ammonium nitrate. Presume no volume change. The Kb for NH3= 1.8x10-5.
A glass plate is 5 cm x 10 cm in size and is coated on one side with a 1 micrometer thick layer of Ag to make a mirror. What is the corresponding mass of the Ag layer and how many atoms comprise it
from the IR, 1H NMR spectrum and uv values decide what functional groups are present in the compound and deduce any other structural information you can, such as existance of conjugation in the carbonyl compound.
for analysis a short peptide seven residues long is treated with fdnb followed by complete acid hydrolysis and amino
Problem- What is the maximum pH of a solution .10M in Mg+2 from which Mg(OH)2 will not precipitate? pKsp for Mg(OH)2 is 10.92.
Problem- five times in the course of parts a-d of this experiment you were able to dissolve an "insoluble" compound, something that seems like a contradiction in terms, identify each of the 5 compounds and briefly explain what made each of these d..
Suppose that you had a sample containing 75% by weight Potassium Chlorate and 25.0% inert nonvolatile material. What weight loss should you observe after intense heating, if the original sample weighed 1.100 g
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