Calculate the molar mass of the biomolecule

Assignment Help Chemistry
Reference no: EM13168997

A 2.00-g sample of a large biomolecule was dissolved in 19.0 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.

Reference no: EM13168997

Questions Cloud

State anthracene and phenanthrene will undergo : Both anthracene and phenanthrene will undergo addition with Br2. Anthracene adds Br2 at the 9- and 10-position. Is this consistent with the MO(s) shown in the SHMO program?
Performance audits : The president has promised an intensive ''audit'' of all aspects of the department's performance. The university has never explicitly established formal goals for the athletic department.
Explain the simple huckel molecular orbital : Use the Simple Huckel Molecular Orbital (SHMO) program to calculate which Pi system is more stable, anthracene or phenathrene.
Strategy to test compliance with eligibility provisions : Assuming that the auditors consider the amounts involved as indicative of a weakness in internal controls, how, if at all, should that finding affect your report on the program
Calculate the molar mass of the biomolecule : A 2.00-g sample of a large biomolecule was dissolved in 19.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
What is the change in the boiling point of a solution : What is the change in the boiling point of a solution made by dissolving 14.7 g of C6H12O6 into 150ml of water? The density of water is 1.00 g/ml and Kb=0.512 C/m .
Calculate the percent yield of carbon dioxide : For the reaction CH4+202=2H2O+CO2, calculate the percent yield of carbon dioxide if 1000. g of methane react with excess oxygen to produce 2300. g of carbon dioxide.
How much of the factory labor cost for the year : How much of the materials in above consisted of indirect materials and how much of the factory labor cost for the year consisted of indirect labor?
How many ammonium ions are present : When 0.047 moles of ammonium sulfate are dissolved in enough water to make 413 milliliters of solution, how many ammonium ions are present?

Reviews

Write a Review

Chemistry Questions & Answers

  What is the ph of an 85 ml solution

What is the pH of an 85 mL solution containing .215 M NaHCO3 and .203 M Na2CO3?

  How much potassium chlorate is needed

The decomposition of potassium chlorate (KClO3 ) is used as a source of oxygen in the laboratory. How much potassium chlorate is  needed to produce 24.1 mol of oxygen?

  What is its final temperature

A 350.0 gram sample of copper is initially at 25.0 °C. It absorbs 12.50 kJ of heat from its surroundings. What is its final temperature, to the nearest tenth of a degree?

  Find the number of bromine molecules present in the flask

A flask contains 0.310 of liquid bromine, . Determine the number of bromine molecules present in the flask.

  State what is the crossover temperature

Fuel cells combine H2(g) and O2(g) to produce H2O(g). What is the crossover temperature for this reaction at standard state

  How could the bomb have been detonated

What actions should an exposed person take during the immediate aftermath of the explosion?

  Explain which metal hydroxide will precipate first

Which metal hydroxide will precipate first? Why? Ksp Ni(OH)2 = 6.0x10-16 Ksp Ce(OH)3 = 6.0x10-22 Ksp Cu(OH)2 = 4.8x10-20

  What will be the volume of helium at an altitude

A weather balloon at launch is partially inflated with 3.00 times 10 power 4l of helium at STP. what will be the volume of helium at an altitude of 7km, where the pressure is 0.41atm and the temperature is -20 degrees Celsius?

  Describe law of conservation of charge

Describe how this observation is consistent with the law of conservation of charge.

  Balancing equation to calculate correct number of moles

Balancing equation to calculate correct number of moles If CaC2 + 2 H2O --> C2H2 + Ca(OH)2 then, there are 65 grams of calcium carbide

  What is the expected partial pressure of so2(g)

After the reaction comes to equilibrium, an additional 1.00g of O2(g) is added to the system. What is the expected partial pressure of SO2(g) then?

  Define non-bridging calcium-oxide ions

Non-Bridging Calcium-Oxide Ions, What weight percent of CaO should a glass be for 20% of the oxygen ions to be non-bridging, if the glass contains only SiO2 and CaO?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd