Evaluate the molar mass and molecular formula of the solid

Assignment Help Chemistry
Reference no: EM13253868

The elemental analysis of an organic solid extracted from a gummy substance used in adhesive, ink, and pharmaceutical) showed that it contains 40% C, 6.7% H, and 53.3 % O. A solution of .637g of the solid in 24.1g of the solvent diphenyl gave a freezing point depression of 1.76 degree celsius. Calculate the molar mass and molecular formula of the solid(k1 for diphenyl is 8.00 degree celsius/m)

Reference no: EM13253868

Questions Cloud

Calculate ka for acid and what is the ph of this solution : Soggy french fries drenched in Vinegar, which is a 0.83M solution of acetic acid. If the acetic acid in vinegar is 0.47% dissociated, calculate Ka for acid. What is the pH of this solution
What is the mass of planet physics : While visiting Planet Physics, you toss a rock straight up at 11m/s and catch it 2.7s later. While you visit the surface, What is the mass of Planet Physics
How to change the calculated molarity of the naoh solution : one group of students made an error by using HCLinstead of H2SO4 to titrate an unknown solution of NaOH. Would this error change the calculated molarity of the NaOH solution.
What is the average power supplied by the child : A playground merry-go-round has a radius of 4.50m and a moment of inertia of 240kg?m2 and turns with negligible friction about a vertical axle through its center. What is the average power supplied by the child
Evaluate the molar mass and molecular formula of the solid : A solution of .637g of the solid in 24.1g of the solvent diphenyl gave a freezing point depression of 1.76 degree celsius. Calculate the molar mass and molecular formula of the solid(k1 for diphenyl is 8.00 degree celsius/m)
What is the escape speed from the asteroid : In 2000, NASA placed a satellite in orbit around an asteroid. Consider a spherical asteroid with a mass of 1.00×1016kg and a radius of 9.90km, What is the escape speed from the asteroid
The ammonium nitrate is a common ingredient in fertilizers : Ammonium nitrate is a common ingredient in fertilizers that can also be used to make explosives because it decomposes as follows
Find what is real power consumed by the impedance : Find the real power and reactive power dissipated in an impedance Z = 2 ohm at zero degree carrying a current of I = 6 + j8 A. What is real power consumed by the impedance
What is the torque on the coil : A circular coil 18.0cm in diameter and containing nine loops lies flat on the ground. The Earth's magnetic field at this location has magnitude 5.50×10?5T, Determine the torque on the coil

Reviews

Write a Review

Chemistry Questions & Answers

  Explain silicon atoms and chlorine molecules

Write both an equation using Lewis structures and a balanced chemical equation for the following reactions. Silicon atoms and chlorine molecules.

  Explain methyl-pentane with nacn and agcn

Draw all products of the reactions of 4-Chloro-2-methyl-pentane with NaCN and AgCN. Identify the reaction mechanisms and draw resonance

  Compute the workdone during a synthesis of ammonia

Calculate the work(in kilojoules) done during a synthesis of ammonia(see reaction below) in which the volume contracts from 8.6L to 4.3L at a constant external pressure of 44atm.

  Explain reaction between salicyclic acid and ferric chloride

What would you expect to see in a reaction between salicyclic acid and ferric chloride. I would also like to know why.

  Compute the partial pressure of the gases in the mixture

A mixture containing 2.01 g each of CH4(g), C2H4(g) and C4H10(g) is contained in a 1.50 L flask at a temperature of 25°C. (a) Calculate the partial pressure of each of the gases in the mixture.

  Explain hydrogen sulfide gas has toxicity

Hydrogen Sulfide gas has toxicity comparable to Hydrogen Cyanide, but because of its intense odor its presence is observed at concentrations well below toxic levels.

  Define what is the partial pressure of the gas

A mixture of CS2 (g) and excess O2 (g) is placed in a 10.0 L reaction vessel at 100.0 degrees C and the pressure of 3.00 atm, A spark causes the CS2 to ignite, burning it completely, according to the equation:

  Describe the apparent relationship between h30+ and oh-

Describe the apparent relationship between H30+ and OH- concentrations when an endpoint is reached in an acid-base titration.

  Evaluate the ph at the equivalence point for titrating

Calculate the pH at the equivalence point for titrating 0.170 solutions of each of the following bases with 0.170 M HBr

  What is the empirical formula of the compound

What is the empirical formula of the compound if Quantitative analysis of a 5.00-g sample of a gaseous compound yielded the following results: 2.00 g sulfur and 3.00 g oxygen?

  Balanced equation for the reaction of each hydrocarbon

Write the balanced equation for the reaction of each hydrocarbon (cyclohexane, methylcyclohexane, toluene, ethylbenzene, isopropylbenzene, and tert-butylbenzene) with bromine.

  State what mass of calcium carbonate is required to react

what mass of calcium carbonate is required to react with 137.8 mL of a 0.6943 M sulfuric acid solution?

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