Explain what is the mole fraction of methanol

Assignment Help Chemistry
Reference no: EM13534100

Vapor pressure of water at 25 deg C is 24 mmHG and that of pure methanol is 120 mmHG. What is the vapor pressure above the solution of methanol and water at 25 deg C? What is the mole fraction of methanol in the vapor above this solution?

Reference no: EM13534100

Questions Cloud

Explain delta h rxn equal to delta hf for the product : For which one of the following reactions is the value of delta H rxn equal to delta Hf for the product
Estimate how far from the gun does the other fragment land : A shell is shot with an initial velocity v0 of 18 m/s, at an angle of ?0 = 60° with the horizontal. How far from the gun does the other fragment land
Stock transactions for corporate expansion : Stock transactions for corporate expansion - Journalize the entries to record the foregoing transactions.
Describe key decisions you are responsible : Describe key decisions you are responsible
Explain what is the mole fraction of methanol : Vapor pressure of water at 25 deg C is 24 mmHG and that of pure methanol is 120 mmHG. What is the vapor pressure above the solution of methanol and water at 25 deg C. What is the mole fraction of methanol in the vapor above this solution
Explain enthalpy changes for the reaction : Predict whether the reaction below is product-favored or reactant-favored by calculating delta Gdegree from the entropy and enthalpy changes for the reaction at 25 degrees C, H2(g) + CO2(g) yeilds H2O(g) + CO(g), delta H rxn = 41.17kJ S = 42.08J/K
Determine the earnings per share for 2012 : Determine the earnings per share for 2012 and 2011 and does the change in the earnings per share from 2011 to 2012 indicate a favorable or an unfavorable trend?
Calculate the enthalpy and entropy and free energy : Given the following reaction, calculate the enthalpy, entropy and free energy changes for this reaction at 25 degrees C. Mg(s) + H2O(g) yeilds Mg(OH)2(s) + H2(g)
Determine the standard molar entropy for br : The standard molar entropy for Br2(g) is 245.46j/(mol*K) at 25 degrees Celsius. Given that delta S=104.58J/K for the dissociation of one mole of Br2(g) into Br(g) at 25 degrees, find the standard molar entropy for Br(g) at 25 degrees Celsius.

Reviews

Write a Review

Chemistry Questions & Answers

  Compute an enthalpy change for reaction

Using the ?H for the reaction of NaOH + HCl and the reaction of NaOH + NH4Cl How do you calculate an enthalpy change for reaction of HCl + NH3?

  Explain sample of air contaminated with sulfur dioxide

An environmental engineer analyzes a sample of air contaminated with sulfur dioxide. To a 500m mL sample of air at 700 torr and 38 degrees celsius, she adds 20.00 mL of 0.01017 M aqueous iodine, which reacts as follows

  Explain what fraction of the containers volume is occupied

The volume of a single molecule of water is 2.99 x 10^-23 mL. For a sample of gaseous water at 1.00 atm and 150° C, what fraction of the containers volume is occupied by the molecules themselves

  Explain the energy of one photon of the light

Electromagnetic radiation with a wavelength of 665 nm appears as orange light to the human eye. The energy of one photon of this light

  Explain how many grams of nickel reacted

In the reaction of nickel with concentrated nitric acid, the products are nickel (III) nitrate, water and nitrogen monoxide, sometimes called nitric oxide. How many grams of nickel reacted

  Compute the change in temperature

Compute the change in temperature when 1.8 g of sodium chloride is dissolved in 300.0 mL of water initially at 20C. The heat capacity of water is 4.184 J/mL/K.

  Explain what volume of co2 (g) at stp is formed

What volume of CO2 (g) at STP is formed when 6.00 g of cyclopentadiene, C5H6 (g) is fully oxidized

  Determine its empirical formula with molar mass of sodium

Its composition is 17.01% Na, 47.46% S and 35.52% O by mass. Determine its empirical formula. If the Molar mass of sodium tetrathionate is 272. What is its actual formula? Na2S2O3 + I = NaxSx + 2Nal

  What was the concentration of acetic acid in the vinegar

Commercial vinegar was tritrated with NaOH solution to determine the content of acetic acid (HC2H3O2). For 20.0 milliliters of vinegar, 32.0 milliliters of 0.500 molar NaOH solution was required. What was the concentration of acetic acid in the vi..

  Explain the energies of the two associated a particles

The radioisotope 224Ra decays by a emission primarily to the ground state of 220Rn (94% probability) and to the first excited state 0.241 MeV above the ground state (5.5% probability). What are the energies of the two associated a particles

  Describe potato soup after thermal processing

Assume that the metal rack is cooled from 240°F to 85°F, the temperature of the outlet water. The amount of heat removed from the retort walls in cooling from 240 to 100°F is 10 000 btu. Radiation loss from the retort during cooling is estimated a..

  What is the new volume of the balloon

The pressure on a balloon holding 350 mL of an ideal gas is increased from 254 torr to 1.00 atm. What is the new volume of the balloon (in mL) at constant temperature?

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