Define the freezing point for pure water

Assignment Help Chemistry
Reference no: EM13548670

Assuming complete dissociation of the solute, how many grams of KNO_3 must be added to 275 mL of water to produce a solution that freezes at -14.5 C? The freezing point for pure water is 0.0 C and K_f is equal to 1.86 C/m

Reference no: EM13548670

Questions Cloud

Find the roller coaster displacement from its starting point : A roller coaster moves 200 ft horizontally and then rises 135 ft at an angle of 30.0° above the horizontal. find the roller coaster's displacement from its starting point at the end of this movement
Estimate the vibrational frequency of the string : A guitar string produces 4 beats per second when sounded with a 350-Hz tuning fork and 9 beats per second when sounded with a 355-Hz tuning fork. What is the vibrational frequency of the string
Identify and analyze the adjustment to be recorded : Identify and analyze the adjustment to be recorded on December 31, 2010, Assume that Palmer's accountant forgets to record the adjustments on December 31.
What is the difference between strategic marketing : What is the difference between strategic marketing and strategic marketing management?
Define the freezing point for pure water : Assuming complete dissociation of the solute, how many grams of KNO_3 must be added to 275 mL of water to produce a solution that freezes at -14.5 C? The freezing point for pure water is 0.0 C and K_f is equal to 1.86 C/m
What would be correct amounts for the line items : All of the inventory in production during the last two weeks in December - What would be correct amounts for the line items?
Calculate the operating frequency of given brand : Beat frequencies can be used to measure the pitch of an unknown sound even if it normally would be outside the audible range. estimate the operating frequency of brand X
Define what is the thickness of the foil in millimeters : A sheet of aluminum(Al0) foil has a total area of 1.000ft2 and a mass of 3.276g. What is the thickness of the foil in millimeters. (Density of Al=2.699 g/cm3)
Brand name and corporate image : Brand Name and Corporate Image

Reviews

Write a Review

Chemistry Questions & Answers

  What is the total pressure of the gases

a sample of N2O3(g) has a pressure of 0.019atm. the temperature(in K) is then double and the N2O3 undergoes complete decompositopn to NO2(g) and NO(g).

  What is the molecular formula of the unknown acid

assuming the unknown acid has one acidic proton per molecule, what is the molecular formula of the unknown acid?

  Which best describes a solid

Which best describes a solid?

  Explain the molar solubility of agbr in water

The molar solubility of AgBr in water is 7.31x10^-7 mol dm^-3 at 25C. What is the standard potential of the cell Ag(s)/AgBr(aq)/AgBr(s)/Ag(s) at that temperature

  Explain the erlenmyer flask from the hot water bath

Explain why it is necessary to remove the Erlenmyer flask from the hot water bath at the moment the volatil liquid disappears

  Design an experiment to determine the density of irregular

Design an experiment to determine the density of irregular shaped object. a. Include an introduction describing the calculations that will need to be made.

  Explain the mole fraction of water in the vapor phase

A solution is prepared by mixing 10g of water with 10g of ethanol. What is the mole fraction of water in the vapor phase at 30 degree C. The vapor pressure of water at 30 degree C is 32 torr and ethanol is 78 torr. The molar mass of water is 18.02..

  Explain the structure of biphenyl and the numbering scheme

The structure of biphenyl and the numbering scheme used in naming its derivatives are indicated below. What is the major product obtained on dinitration of biphenyl (HNO3, H2SO4)

  Which of these is a coefficient in this chemical reaction

Which of these is a coefficient in this chemical reaction? P4s(s)+5o2(G) p4o10(S)

  Explain the analyte has reacted to form the conjugate

The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted. If 0.260 moles of a monoprotic weak acid

  What is the delta e reaction

When 1.025 g of naphthalene is burned in a bomb calorimeter, the temperature rises from 24.25 to 32.33 degrees celsiuc. What is the delta E reaction?

  Explain elimination competes with substitution

Elimination competes with substitution. write an equation for the elimination reaction of 2 chloro 2 methylpropane in water

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