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A 2.50-g sample of a large biomolecule was dissolved in 17.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point constant is 5.03°C · kg/mol, and the boiling point of pure carbon tetrachloride is 76.50°C.
a 345 ml container holds nh3 at a pressure of 745 torr and a temperature of 45 degrees celsius. what is the molar
4-isopropyl-2-methyl hexane and 2,4- dimethyl-3-t-butyl pentane are not genuine IUPAC names. what are the correct names and structure
A nurse administered 3.50 mL of a radioisotope solution that has an activity of 135 Ci/mL. What total dose of the radioisotope did the patient receive
Find the change in the fraction of visibility for a person from planet Krypton with x-ray vision in addition to visible spectrum.
For a particular redox reaction MnO2 is oxidized and Ag+ is reduced to Ag write a balanced equation
What is the organic product in each step when phenylmagnesiumbromide (grinard reagent) is reacted with Ch3Ch2CN in ether and H3o+? What is the imine that is formed?
Find the activity coefficient of H+ in a solution containing 0.010M HCl plus 0.040M KClO4. What is the pH of the solution?
if the molarity of the HCl solution was actually greater then the lable indicated would it affect the calculated value for the number of moles of HCl that reacted.
When 5.156 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 15.09 grams of CO2 and 9.269 grams of H2O were produced.
What is the IUPAC name of the most minor product formed when 3-methyl-2-hexanol undergoes elimination with sulfuric acid
Explain why selectivity in isocratic HPLC system ideally should not depend on eluent composition. Use thermodynamic derivation to support your explanation.
calculate the total length obtained when you add 12.3cm, 2.75dm, and 0.450m. give the answer in centimeters
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