What is the freezing-point depression of the solvent

Assignment Help Chemistry
Reference no: EM13146363

A solution is made by dissolving 21.5 grams of glucose (C6H12O6) in 255 grams of water. What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m?

Reference no: EM13146363

Questions Cloud

Basics of income statement from investment : Lyman uses straight-line amortization. Ignoring income taxes, the amount reported in Lyman's 2007 income statement from this investment should be ??
Explain the ice cream calories were to be butned off : if all the ice cream calories were to be butned off how long would it take him? i got 45 minutes?
Explain analysis of variance and multivariate statistics : It is used when it doesn't make sense to look at the mean of such variables. Explain analysis of variance, multivariate statistics, and non-parametric methods.
How might the human craving for fatty foods : how might the human craving for fatty foods, which is helping to fuel the obesity crisis, have evolved through natural selection?
What is the freezing-point depression of the solvent : A solution is made by dissolving 21.5 grams of glucose (C6H12O6) in 255 grams of water. What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m?
This firm''s average costs : A firm that emerges as the only seller in an industry with economies of scale is a(n): The profit maximizing rule MR = MC applies to: Suppose that the total cost curve for a firm is given by the equation TC = a + bQ, where 'a' and 'b' are positive nu..
Diluted earnings per share basics : The company has a convertible bond issue outstanding. The bonds were issued four years ago at par ($2,000,000), carry a 7% interest rate, and are convertible into 40,000 shares of common stock. The company has a 40% tax rate. Diluted earnings per ..
Describe the parameters, propeller twist, helix twist : Describe the parameters, propeller twist, helix twist, slide, roll and tilt, that have been defined to describe local sequence dependent structure of duplex DNA.
Compute the change in ph : Calculate the change in pH when 5.00 mL of .100 M HCL is added to 100 mL of a buffer solution

Reviews

Write a Review

Chemistry Questions & Answers

  What is the pressure at 273k

A rigid container of O2 has a pressure of 388kPa at a temperature of 713K. What is the pressure at 273K.

  Calculate the molar mass of the biomolecule

A 1.70-g sample of a large biomolecule was dissolved in 14.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.

  What volume will the dry air occupy

A 125 mL sample of dry air at 230 degrees celcius is cooled to 100 degrees celsius at constant pressure. What volume will the dry air occupy at 100 degrees celsius.

  What is the partial pressure of nobr

In a reaction mixture at equilibrium, the partial pressure of NO is 119 torr and that of Br2 is 175 torr. What is the partial pressure of NOBr in this mixture? Kp=28.4 at 298 K.

  How much heat do you need

How much heat do you need to raise the temperature of 150 g of gasoline from 30oC to 15oC?

  How much heat (kj) is needed

Ethanol (C2H5OH) melts at -114 °C. The enthalpy of fusion is 5.02 kJ/mol. The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively.

  How many moles of the nonelectrolyte should dissolve

How many moles of the nonelectrolyte, propylene glycol(C3H8O2) should be dissolved in 800.0g of water to prepare a solution whose freezing point is -3.73C? For water, Kfis 1.86C m-1 and Kb is 0.51C m-1.

  How many grams of n2 are produced

4 C3H5O9N3(l) → 12 CO2(g) + 6 N2(g) + O2(g) + 10 H2O(g)  If a sample containing 2.01 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?

  How many grams of liquid methanol are needed

How many grams of liquid methanol (CH3OH) are needed to heat 425 mL of water from 18 oC to 43 oC by combustion with oxygen.

  Determine the mass of cuso4 · 5h2o

Determine the mass of CuSO4 · 5H2O that must be used to prepare 250 mL of 0.88 M CuSO4(aq).Answer in units of g.

  Determine the number of bromine molecules in flask

A flask contains 0.250 mol of liquid bromine, Br2. Determine the number of bromine molecules present in the flask.

  How long will it take for the concentration for xy

how long will it take for the concentration for XY to decrease to 12.5% of its initial concentration when its 0.100M. Rate constant is 7.12 *10^-3.

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