Question- thyroxine an important hormone that controls the, Ask an Expert

Academics

Question- Thyroxine, an important hormone that controls the rate of metabolism in the body, can be isolated from the thyroid gland. If 0.455 g of thyroxine is dissolved in 10.0 g of benzene, the freezing point of the solution could be measured as 5.144degreeC. Pure benzene freezes at 5.444degreeC and has n value for the molal freezing point depression constant of K, of 5.12degreeC/m. What is the approximate molar mass of thyroxine?

Determine the solution for the above problem express your work in detail

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M91252355

Have any Question?Write your Review or question?

Related Questions in Chemistry

At rest a person inhales 9721021 nitrogen molecules in an

At rest, a person inhales 9.72*10^21 nitrogen molecules in an average breath of air. How many mole of nitrogen atoms are inhaled? (Hint: in air, nitrogen occurs as a diatomic molecule)

Do you notice any trends or can you make any

Do you notice any trends or can you make any generalizations about where certain types of liquids fall on the pH scale?

A solution is made by mixing 300ml of 0240m nh3aq with

A solution is made by mixing 30.0ml of 0.240M NH3(aq) with 30.0ml of 0.240 M hydrochloric acid. What is (Are) the principal species and their molarities in the resulting solution? What is the PH of the solution?

What are transition metals and what specifically happens to

What are Transition Metals and what specifically happens to transition metals that results in solutions that give off distinct colors?

Silver nitrate has the molecular formula agno3 in a 1090 g

Silver nitrate has the molecular formula AgNO3. In a 109.0 g sample of silver nitrate, how much of that mass (in g) is from the silver atoms?

Calculate the number of moles of barium chloride in 427g of

Calculate the number of moles of barium chloride in 427g of a 3.17% by mass barium chloride solution?

While heating your copper sulfur mixture the original

While heating your copper sulfur mixture the original crucible lid fell and was broken. You replace the lid with another one. You used the mass of the original lid in your calculations. However the mass of the second lid ...

A watch glass and filter paper weighing 41060g was used to

A watch glass and Filter paper weighing 41.060g was used to collect the CuSCN precipitate in this experiment. After drying, the precipitate, watch glass, and filter paper weighed 42.525g. If the sample alloy used for the ...

N2o5 decomposes following first order kinetics if 75 of the

N2O5 decomposes following first order kinetics. If 75% of the original sample of N2O5 has decomposed after 2240 minutes, what is the value of k, the rate constant, at this temperature(in min-1)?

Upon decomposition one sample of magnesium fluoride

Upon decomposition, one sample of magnesium fluoride produced 2.55 kg of magnesium and 3.99kg of fluorine. A second sample produced 1.40 kg of magnesium. How much fluorine (in grams) did the second sample produce?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Chemistry Expert