Explain the freezing point of a solution prepared

Assignment Help Chemistry
Reference no: EM13323646

What is the freezing point of a solution prepared from 50.0 g ethylene glycol (C2H6O2) and 85.0 g H2O? Kf of water is 1.86°C/m. A) 17.6°C B) -176°C C) -1.50°C D) 1.50°C E) -17.6°C

Reference no: EM13323646

Questions Cloud

Explain how many grams of sucrose would be needed : How many grams of sucrose (C12H22O11, 342.3 g/mol) would be needed to make 2.5 L of a solution with an osmotic pressure of 14 atm at 25°C? (R = 0.0821 L×atm/K×mol) A) 0.57 g B) 6.8 g C) 2.0 × 102 g D) 4.9 × 102 g E) 5.8 × 103 g
Calculate the edge length of a cube : Calculate the edge length of a cube that has the same volume as a sphere of radius 4.0 cm. How much greater is the surface area of the cube than that of the sphere
What are the main concepts in the materials covered : The concepts of recursive descent parsing (implementing a procedure for each nonterminal): Write your own questions. I would want to see diversity from you all.
Explain why the cost to heat our homes : Use the laws of supply and demand to explain why the cost to heat our homes and businesses goes up in the winter time. Be sure to explain your answer fully.
Explain the freezing point of a solution prepared : What is the freezing point of a solution prepared from 50.0 g ethylene glycol (C2H6O2) and 85.0 g H2O? Kf of water is 1.86°C/m. A) 17.6°C B) -176°C C) -1.50°C D) 1.50°C E) -17.6°C
How long does it take according to the astronaut in years : Suppose there is an astronaut who is traveling at a significant fraction of the speed of light. How long does it take according to the astronaut in years
Why a social system might be the best : Describe and explain why a social system might be the best in responding to the needs of people struck by an emergency situation like the earthquake that occurred in Haiti in January 2010.
Explain the conversion of cuso4 to metallic copper : How would this change the experimental procedure for the conversion of CuSO4 to metallic copper
Evaluate capital-budgeting decisions : Determine two reasons that net present value is the most favorable method for evaluating capital-budgeting decisions

Reviews

Write a Review

Chemistry Questions & Answers

  State what is the pka value of the proton alpha

What is the pKa value of the proton alpha to the phenyl group, and what is the pka value of the proton attached to the carbonyl carbon?

  Explain and develop an argument based on bond enthalpies

Develop an argument based on bond enthalpies for the importance of SiO bonds in substances common in the Earth's crust in preference to SiSi or SiH bonds

  Calculate change in temp for the reaction

Given Data; P4+6Cl2=4PCl3 change temp= -2439 kj ,4PCl5=P4+10Cl2 change temp= 3438 kj calculate change in temp for the reaction PCl5=PCl3+Cl2.

  Explain the partial pressures of co2 and h2o in exhaled air

If the partial pressures of CO2 and H2O in exhaled air are each 27.0 torr at 30.6°C, calculate the masses of CO2 and of H2O exhaled in 1.00 hour of sleep.

  What is the acid dissociation constant of a weak acid

what is the acid dissociation constant of a weak acid if a concentration of 0.3 M gives a hydrogen ion concentration of 0.001M?

  Explain what is the concentration for each substance

What is the concentration for each substance at equilibrium for the following gaseous reaction if the initial concentration of ethene,

  State a mixture of mg and zn

It gave a mixture of MgO and ZnO that had a mass of 1.409g. What mass of An was there in the original mixture?

  Explain hydrolysis of these phosphorylated compounds

Ranked the free energy changes for hydrolysis of these phosphorylated compounds from the most negative (on the left) to the most positive (on the right)

  Explain the reaction between furan and maleic anhydride

Can someone please answer these questions regarding the endo and exo products formed through two different transition states in the reaction between furan and maleic anhydride.

  Explain how many milligrms of se were contained in sample

After the reaction was complete, nitric acid was added to dissolve the AgSO3 but not the AgSe. The Ag+ from the dissolved Ag2SeO3 and the excess reagent required 16.74mL of 0.01370 M KSCN in a Volhard titration. How many milligrms of Se were conta..

  What is the chemical name for cuso4

What is the chemical name for CuSO4? a. Copper sulphate b. Copper sulphur oxide c. Copper (II) sulphate d. Copper (I) sulphate

  How much energy in kilojoules is required

How much energy in kilojoules is required to convert 260 mL of water at its boiling point from liquid to vapor?

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