Compute the internal energy change for vaporization

Assignment Help Chemistry
Reference no: EM13158790

The normal boiling point of Cl2(1) is -34 °C, where its latent heat of vaporization is 20.4 kJ/mol. Its molar mass is 70.91 g/mol. (a) Calculate the internal energy change (deltaU) for vaporization of 100 g of Cl2(liq.) at this temperature and 1 bar? (b) Calculate its molar entropy change (AS) for vaporization at this condition

Reference no: EM13158790

Questions Cloud

What is the molar mass of the solute : The boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2°C. What is the molar mass of the solute?
Write a program that asks the user to enter the names of 3 : Write a program that asks the user to enter the names of three salesmen. The program should thenaccept the sales produced for salesman for each quarter of the year. Display the name, and the totalsales amount, of each salesman.
What is the freezing point of a solution : What is the freezing point of a solution of 1.17 g of 1-naphthol, C10H8O, dissolved in 2.00 mL of benzene at 20°C? The density of benzene at 20°C is 0.876 g/mL. Kf for benzene is 5.12°C/m, and benzene's normal freezing point is 5.53°C.
Driving force causing this evolution : Discuss the evolution of client-server computing from file server to multilayer applications to Web-based applications. What has been the driving force causing this evolution? Where do you think network computing will be in the next five years? Ten y..
Compute the internal energy change for vaporization : where its latent heat of vaporization is 20.4 kJ/mol. Its molar mass is 70.91 g/mol. (a) Calculate the internal energy change (deltaU) for vaporization of 100 g of Cl2(liq.)
What is the percent yield : 825grams of NO are produced from the reaction of 500grams of NH3 with excess oxygen, what is the percent yield?
Interest expense recognization using amortization : A company issues $5,000,000, 7.8%, 20-year bonds to yield 8% on January 1, 2010. Interest is paid on June 30 and December 31. The proceeds from the bonds are $4,901,036. Using effective-interest amortization, how much interest expense will be reco..
Calculate the concentration of sodium formate : calculate the concentration of sodium formate that must be present in a 0.10 M solution of formic acid to produce a buffer with a pH of 3.80
How would you characterize the politics of food : Is it really a problem with supply, or is it a distribution problem? How would you characterize the politics of food?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain how many moles of hydrochloric acid are required

Calculate how much heat is required to added or removed to convert 100.0 g of steam at 115 0C to liquid water at 65 0C?

  What is the mass of oxygen in the container

A sample of 1.42 g of Helium and an unweighed quantity of Oxygen are mixed in a flask at room temperature. The partial pressure of Helium is 42.5 torr and of oxygen is 158 torr.

  Compute the number of moles of aluminum

Calculate the number of moles of aluminum, sulfur, and oxygen atoms in 8.00 of aluminum sulfate, Express the number of moles of Al, S, O, and atoms numerically, separated by commas.

  Compute the expected change in temperature

Compute the expected change in temperature for 1.7 grams of ammonium nitrate NH 4 NO 3 dissolved in 50.0 mili litres of water H 2 O.

  Calculate the molar solubility of lead thiocyanate

Lead thiocyanate, rm Pb(SCN)_2, has a K_sp value of 2.00 times 10^{-5}.Calculate the molar solubility of lead thiocyanate in 1.00 it M rm KSCN.

  What is the mass of the propane in the flask

A 1.80-L flask is filled with propane gas (C3H8), at 1.00 atm and -19.4°C. What is the mass of the propane in the flask.

  Compute the heat capacity of the calorimeter

A student calibrates his/her calorimeter. S/he performs part 1 as instructed. The data are: 99.4 g water at 36.0°C are added to 98.0 g water in the calorimeter at 16.0°C.

  Calculate the mass of silver chloride

Calculate the mass of silver chloride required to plate 245 mg of pure silver. Silver chloride, often used in silver plating, contains 75.27% Ag

  Determine the observed van''t hoff factor

magnesium sulphate MgSO4 has an observed osmotic pressure =7.6 atm at the temperature of twenty five degree celsius. Determine the observed van't Hoff factor?

  Explain study of a first-order reaction

Study of a first-order reaction, In the study of a first-order reaction, A--->B, it is found that A/Ao=0.125 after one hour. The system initially consisted of 0.20 mole of a gaseous A at 25 degrees C and 1 atm

  Calculate the concentration of ammonium ions

A solution is prepared by dissolving 12.9 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 15.00 mL sample of this stock solution is added to 53.00 mL of water.

  Compute the final temperature of cacl2

Compute the final temperature of the solution (assuming no heat lost to the surroundings ) the solution has a specific heat capacity = 4.18 J/°C·

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