What is the molecular weight of the hormone
An aqueous solution containing 21.6 mg of vasopressin in 100.0 mL of solution has an osmotic pressure at 25.0 oC of 3.70 mmHg. What is the molecular weight of the hormone?
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A protein subunit from an enzyme is part of a research study and needs to be characterized. A total of 0.185 g of this subunit was dissolved in enough water to produce 2.00 rm mL of solution. At 28 ^circ rm C the osmotic pressure produced by the s
Using the values for the resonance energies of benzene and naphthalene given above, explain why Diels-Alder reactions of anthracene take place at the center ring, not one of the end rings.
How many 10 liter helium balloons could be filled from the tank assuming no change in the temp and a pressure in the balloons of 1.05 atm?
If the gas inside the empty container was initially at a pressure of 1 atm, what pressure did it reach inside the incinerator? Assume the gas was at constant volume and the can did not explode.
What do you do when you are calculating the empirical and molecular formulas of a compound and the percent composition by mass totals greater than 100%?
A 0.456 gram sample of an unknown mono protic acid (let's call it HZ) was dissolved in some water (you pick the amount). Then the acidic solution was titrated to the equivalence point with 32.5 mL of 0.174 M KOH. What is the molecular weight of th
What is the boiling point of the solution in which you are going to cook spaghetti if it contains 58.0 g of NaCl dissolved in 1.20 L of water?
The net ionic equation for this reaction. If 18.56 g of copper(II) chloride react, what is the maximum amount of precipitate that could be formed?
At a certain temperature, an equilibrium mixture in a 10.0 L container was analyzed and found to contain 2.00 moles of H2, 2.00 moles of CO2, 1.00 mole of H2O, and 2.00 moles of CO. How many moles of water vapor would have to be added to the conta
A beam of 632.8 nm photons from a He-Ne laser strikes a detector area of 5.0 mm2. The laser has a flux of 3.18 x 1015 photons s-1. (a) What is the laser radiant power in watts?
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What would have been the most appropriate attitude for the Germans to adopt? What would you do next if you were in Mr. Soota's position? Explain why?
Imagine you are an incoming college student wanting to get into your dream University. Write an application letter addressed to the school.
what modernism was meant to be and what Hughes ultimately accomplished in his poetry. Use excerpts from Hughes's poems to support your analysis
There are a number of systems to analyse qualitative data. Which system allows the data to 'speak for itself', with themes emerging from the discussions
Suggest the best communication channels for the following messages. Assume that all channels are available. Be prepared to explain your choice.
You are a purchasing officer in a garment company. Write the Order letter for the purchase.
Provide a rationale why you would use those media forms and how they will contribute to your audience's understanding.