Explain the freezing point for t-butanol

Assignment Help Chemistry
Reference no: EM13268670

The freezing point for t-butanol is 25.50 degrees C and kf is 9.1 degrees C/m. Usually t-butanol absorbs water on exposure to the air. If the freezing point of a 10.0 g sample of t-butanol is measured as 24.59 degrees C, how many grams of water are present in the sample?

Reference no: EM13268670

Questions Cloud

Find the radius of a neutron star : Neutron stars are so named because they are composed of neutrons and have a density the same as that of a nucleus. find the radius of a neutron star
What voltage appears across the primary coil : A step-down transformer produces a voltage of 6.0V across the secondary coil when the voltage across the primary coil is 140V, What voltage appears across the primary coil of this transformer
Find out the volume of a cube : determine the volume of a cube 10,62 cm, give an example of four sets of measurements that illustrate an imprecise and inaccurate data
What is the voltage supplied to the recharger : A transformer with a turns ratio (secondary/primary) of 1:15 is used to step down the voltage from a 120-V wall socket to be used in a battery recharging unit.
Explain the freezing point for t-butanol : The freezing point for t-butanol is 25.50 degrees C and kf is 9.1 degrees C/m. Usually t-butanol absorbs water on exposure to the air. If the freezing point of a 10.0 g sample of t-butanol is measured as 24.59 degrees C, how many grams of water ar..
Explain common sugar or sucrose is a nonvolatile substance : Common sugar or sucrose is a nonvolatile substance of formula C12H22O11. Two teaspoons of sugar in a cup of coffee correspond roughly to 10 g of sugar dissolved in 200 g of water. What is the MOLE FRACTION of sugar in such a solution
Security and privacy in cloud computing : Prepare a report on the following scenario about security and privacy in cloud computing - Recently increased use of mobile devices and the growth of the Internet in current business practices have led to the provision of Cloud Computing
Compute the molecular weight of phosphorus : calculate the molecular weight of phosphorus if 2.3437 grams are dissolved in 50.00 grams of para-dibromobenzene and the solution freezes at 81.35 degrees C. What is the molecular formula for phosphorus
Compute the freezing point of a solution : Calculate the freezing point of a solution of 23.4 grams of benzoic acid (C6H5CO2H) dissolved in 613 grams of naphthalene.

Reviews

Write a Review

Chemistry Questions & Answers

  State ea for a certain biological reaction

Given that Ea for a certain biological reaction is 48kJ/mol and that the rate constant is 2.5 x 10^-2 s-1 at 15 degrees celsius

  Explain what is the direction of equilibrium and by how much

Consider that sodium hydroxide is added to acetic acid (CH3COOH). What is the direction of equilibrium and by how much. Pka of Sodium Hydroxide

  Explain what concentration of sodium propanoate

Propanoic acid has Ka of 1.4x10^-5. If we make a solution 0.100M propanoic acid, what concentration of sodium propanoate should be added to give a buffer with a pH of 5.0?

  What fraction of this mixture is ice

The molar enthalpy of fusion of ice at 0 0C is 6.02 kJ/mol; the molar heat capacity of supercooled water is 75.3 J/molK. (a) One mole of supercooled water at -10 0C is induced to crystallize in a heat-insulated vessel.

  Determine the molecular formula of this compound

The combustion of 135mg of a hydrocarbon produces 440mg of CO2 and 135mg of of H2O. The molar mass of the hydrocarbon is 270 g/mol. Determine the molecular formula of this compound ?

  Calculate the amount of heat liberated

Calculate the amount of heat liberated when 4.80 g CH4 reacts with an excess of oxygen.

  Explain what is the atomic mass of the element

Isotope 1 has a mass of 107.0 amu and an abundance of 55.9%. Isotope 2 has a mass of 109.0 amu. What is the atomic mass of the element?

  How many grams of solid precipitate will be formed

If a solution containing 17.76 g of mercury(II) perchlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfate, how many grams of solid precipitate will be formed.

  Calculate the number of lead ions present

The EPA limit for lead in the water supply is 15 parts per billion by mass. Calculate the number of lead ions present in 1.00kg of water that is at the EPA limit for lead.

  State what is the thickness of the oil on the lake

Ben Franklin showed that 1.0 teaspoon of oil (5.0 cm3) can cover the surface of a still lake with area 0.50 acres

  Explain a solution that is prepared by combining

Given a solution that is prepared by combining 1.254 g of MnSO4 with 1.45Kg of H20, provide the ppm and % composition by weight of MnSO4.

  What will be this value in si units

The density of mercury is 13.595 g cm -3  . What will be this value in SI units? Give the SI units and their symbols for the following physical quantities:

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