Explain what is the molality of the solute in the solution

Assignment Help Chemistry
Reference no: EM13565676

914g sample of a nonvolatile solid solute dissolves in 9.82g of cyclohexane. the change in the freezing point of the solution is 2.94 degrees c. what is the molality of the solute in the solution

Reference no: EM13565676

Questions Cloud

The energy stored by each capacitor is the same : Two initially uncharged capacitors, of capacitance C and2C, are connected in series across a battery. The voltage across each capacitor is the same. The energy stored by each capacitor is the same.
Yellow light of vacuum wavelength-calculate its permittivity : Yellow light of vacuum wavelength 589 nm travels at 1.942 x108 m/s through quartz. Quartz is a nonmagneticdielectric. Calculate its permittivity. Find the electric field amplitude of a linearly-polarizedelectromagnetic wave of intensity 12.0 GW/m2..
Construct a level scheme of the product nucleus : In a certain nuclear reaction, outgoing protons are observed withenergies 16.2 MeV, 14.8 MeV, 11.6MeV, 8.9MeV, and 6.7MeV. Noenergies higher than 16.2MeV are observed. Construct a level scheme of the product nucleus.
Magnitude of the momentum of the ball : A 0.12- kg ball is moving at 6 m/s when it is hit by a bat, causing it to reverse direction and have a speed of 14 m/s. what is the change in the magnitude of the momentum of theball?
Explain what is the molality of the solute in the solution : 914g sample of a nonvolatile solid solute dissolves in 9.82g of cyclohexane. the change in the freezing point of the solution is 2.94 degrees c. what is the molality of the solute in the solution
Voltage that can be applied across the whole network : A 3.3 k and a1.8 k resistor areconnected in parallel and this combination is connected in serieswith a 1.8 k resistor. If each resistor is rated at 1/2 W, what is the maximum voltage that can be applied across the whole network?
Explain excess nitrogen gas according to the reaction : Calculate ?E, q, and w if 8.00 moles of CO2 (g) reacts with excess nitrogen gas according to the following reaction at 25°C and 1.00 atm: 4CO2(g) + N2(g)?4CO(g) + 2NO2(g)
What are some of the concerns about society forster : What elements of the society of "The Machine Stops" resemble elements in ours? Consider attitudes, technology, beliefs, etc - what are some of the concerns about society Forster addresses in the story
Evaluate what was the balls initial speed : A ball is thrown horizontally from the roof of a building 56 m tall and lands 45 m from the base. What was the ball's initial speed

Reviews

Write a Review

Chemistry Questions & Answers

  Methanol a potential replacement for gasoline can be made

methanol a potential replacement for gasoline can be made from h2 and co by reactions co 2h2 - ch3oh. how will this

  Explain what is the standard free energy change

What is the standard free energy change (kJ) for the following reaction at 499.0 K ? [Note: Answer should be expressed as "xxx.x", or with one sig fig after the decimal

  How to calculate the mass of the magesium strip

A magnesium strip is reacted with hydrochloric acid yielding 26.8ml of hydrogen gas. hydrogen gas was collected over water at temp of 27 degres celsius and under a total pressure of 765 mmhg. calculate the mass of the magesium strip

  Evaluate the absorbance of a solution containing

calculate the absorbance of a solution containing 3.70×10-5 M R and 5.64×10-4 M Q at 560 nm. Assume 1.00 cm cells for all data given.

  Define electron absorption spectrum of a particular element

In an investigation of the electron absorption spectrum of a particular element, it is found that a photon having wavelength of 500 nm provides just enough energy to promote an electron from the second quantum level to the third. What is the energ..

  How to measure the concentration of hcl

We can measure the concentration of HCl solution by reaction with pure sodium carbonate: 2H^+ +Na_2CO_3 -->2Na^+ +H_2O + CO_2. Complete reaction with 0.9674 + and - 0.0009g of Na_2CO_3 (FM 105.9884 + and - 0.0007) required 27.35 + and - 0.04 mL of..

  Explain balance the chemical equation given below

Balance the chemical equation given below, and determine the number of grams of MgO needed to produce 15.0 g of Fe2O3. ___ MgO(s) + ___ Fe(s) ? ___ Fe2O3(s) + ___ Mg(s)

  Find out the exact formula of this compound

A Ni(II) coordination compound with an octahedral arrangement of ligands has been synthesized containing only water and ammonia as ligands and chloride as counterions. From the following data, determine the exact formula of this compound.

  1i need to prepare a solution of 02 l 04 m then determine

1.i need to prepare a solution of 0.2 l 0.4 m then determine how many cm3 of a solution of h2so4 sulfuric acid 80.0

  State a balanced equation and an expression for ksp

Write a balanced equation and an expression for Ksp for the dissolution of the given ionic compound. Include states-of-matter. CaCO3 balanced equation: solubility expression

  Explain what is the percent ionization of a solution

The Ka of a monoprotic weak acid is 2.99 × 10-3. What is the percent ionization of a 0.108 M solution of this acid

  A sample of fluorine has a volume of 288 l when the

a sample of fluorine has a volume of 2.88 l when the temperature is 11.6 degc and the pressure is 649 torr. what will

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