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Indicate if you would expect a disruption of the three-dimensional structure of a protein if the following substances were added and briefly state why:-0.1M NaCl-Water-Sodium Dodecyl Sulfate-1.0 M HCl-0.1 M Sodium Phosphate Buffer-6.0 M Urea
In an experiment using a temperature probe, is there a way to estimate the heat absorbed by the temperature probe? Explain how.
Assuming the heat absorbed by the styrofoam is negligible, calculate the expected final temperature. The specific heat of water is 4.184 J g-1 K-1.
A sample of nitrogen gas, N2 is collecyed in a 100 mL container at a pressure of 688 mm Hg and a temperature of 565 degress celsius. How many grams of nitrogen gas are present in this sample.
How many grams of a sugar (MW 180 g/mol) must be dissolved in 50 mL of aqueous solution to produce an osmotic pressure of 250 toor. The sugar does not dissociate.
A 0.868 g sample of an unknown acid requires 32.8 mL of a 0.180 M barium hydroxide solution for neutralization. Assuming the acid is diprotic, calculate the molar mass of the acid
Use the rydberg equation to calculate the wavelength in nm of the photon when an electron in a hydrogen atom undergoes a transition from n=6 to n=2
How much time is required to produce 200g of aluminum metal from molten aluminum oxide dissolved in cryolite, if you use a 12amp current
The density of chloroform, a widely used organic solvent, is 1.4832 at 20 . How many milliliters would you use if you wanted 119.0 of chloroform.
What is the pH of a solution prepared by diluting 25.00 mL of 0.10 M HCl with enough water to produce a total volume of 100.00 mL
A 30.0-mL sample of 0.165 M propanoic acid is titrated with .300 M KOH. Calculate the pH after the following amounts of base is added
Copper can be drawn into thin wires. How many meters of 34 gaugewire (diameter = 6.304 10-3 in)can be produced from the copper in 8.05 lb of covellite
is an important oxidizing agent and a moderately strong acid. in a 0.1M solution ,[H+] = 3.8x10^-2M. Calculate the Ka and the pKa for periodic acid.
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