Explain the normal boiling point of methanol

Assignment Help Chemistry
Reference no: EM13259263

A) The normal boiling point of methanol is 64.7 degrees C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 450.7 torr at 64.7 degrees C.

What is the mole fraction of methanol in this solution?

B) A solution is made by dissolving 34.8g urea (CH4N2O), a nonelectrolyte, in 275g water.
Calculate the vapore pressure of this solution at 25C and 45C

vapor pressure of water
25C 23.8 torr
45C 71.9 torr

Reference no: EM13259263

Questions Cloud

Determine an expression for the torque produced by couple : A pair of forces with equal magnitudes, opposite directions, and different lines of action is called a "couple." When a couple acts on a rigid object, the couple produces a torque that does not depend on the location of the axis.
What is the numerical value : Both the numerical value and dimensions of the universal gas constant R in the ideal gas formula pV=nRT depend on whether the temperature T is in Kelvin or Rankine Absolute temperature units.
Accounting system before financial statements : Each involves an adjustment that must be made to the accounting system before financial statements can be prepared. Show the effects of each adjusting entry on the accounting system.
What is the frequency of a radio signal : A widely used "short-wave" radio broadcast band is referred to as the 25-m band. What is the frequency of a 25-m radio signal
Explain the normal boiling point of methanol : The normal boiling point of methanol is 64.7 degrees C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 450.7 torr at 64.7 degrees C.
How much of histhird payment goes toward repaying principal : A guy buys a car for $21,000 and finances it with a fiveyear, 7% APR with monthly payments and compounding. How much of histhird payment goes toward repaying principal?
How many payments will he need tomake to pay off the loan : A guy borrows $7900 and wants to repay it $600 every sixmonths with the first payment in 6 months. If the loan terms are 6%APR with semiannual compounding, how many payments will he need tomake to pay off the loan?
Number of shares outstanding in the eps : A company has 60,000 shares of common stock issued and outstanding on January 1, 2014. On April 1, the company issues an additional 10,000 shares. On Oct 1 the company repurchases 20,000 shares as treasury stock. What will the company use as it's..
State the mass of salicylic acid is needed to produce tablet : What mass of salicylic acid is needed to produce one extra strenght tablet of aspirin if the reaction has 60% yield. Please show work and correct sig figs.

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

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