Despite name the silica gel is a solid

Assignment Help Chemistry
Reference no: EM13329142

The small bags of silica gel you often see in a new shoe box are placed there to control humidity. Despite its name, silica gel is a solid. It is a chemically inert, highly porous, amorphous form of SiO2. Water vapor readily adsorbs onto the surface of silica gel, so it acts as a desiccant. Despite not knowing mechanistic details of the adsorption of water onto silica gel, from the information provided, you should be able to make an educated guess about the thermodynamic characteristics of the process. Predict the signs of ?G, ?H, and ?S.

Reference no: EM13329142

Questions Cloud

How to calculate the wavelength of a muon : Calculate the wavelength (in nanometers) of a muon weighing 1.884x10^25g traveling at 325m/s.
Draw a ds1 frame and label it in detail : What is the data rate of a single channel on a T1 connection that does not use bit robbing?
What is the speed and acceleration of the pebble : Your roommate is working on his bicycle and has the bike upside down. He spins the 70.0cm -diameter wheel, What is the speed and acceleration of the pebble
How much does lloyd need to increase his withholding : This year Lloyd, a single taxpayer, estimates that his tax liability will be $10,000. Last year, his total tax liability was $15,000. He estimates that his tax withholding from his employer will be $7,800.
Despite name the silica gel is a solid : The small bags of silica gel you often see in a new shoe box are placed there to control humidity. Despite its name, silica gel is a solid. It is a chemically inert, highly porous, amorphous form of SiO2
Compute the speed of the three coupled cars after collision : A railroad car of mass 2.3 104 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, compute the speed of the three coupled cars after the collision
Describe the four goals of configuration management : Describe the four goals of configuration management in your own words, and explain why each is important.
What are the total state and federal unemployment taxes : Morris Leste, owner of Carlson Company, has three employees who earn $400, $500, and $700 per week. What are the total state and federal unemployment taxes that Morris owes for the first 11 weeks of the year and for week 30
Compute the theoretical yield in grams of the precipitate : Calculate the theoretical yield in grams of the precipitate formed. 3. If the actual yield of the experiment was 90.5 mg, what is the % yield of Ag3PO4

Reviews

Write a Review

Chemistry Questions & Answers

  What is the volume of the unknown liquid in milliliters

If the volume of an unknown liquid is measured and found to be 6.510 L, what is the volume of the unknown liquid in milliliters?

  Explain what effect does the ph of the solution

The lab is synthesis of Methyl Red. The question is that diazonium salts cople with phenols in slightly alkaline solution. What effect does the PH of the solution have on reactivity of the phenol

  Explain system to have a positive change in entropy

There are three containers all connected to each other. There are a total of six particles inside the containers, two in one container, four in another container, the third container is empty. Upon changing the conditions,

  How many l of o2 gas at stp, are needed

How many L of O2 gas at STP, are needed to react with 15.0 g of Na using the following chemical reaction: 2Na(s) + O2(g) => 2NaO(s)?

  State what is the mole fraction of methane in the mixture

What is the mole fraction of methane in the mixture? (Assume that the water produced by the combustion is in the gaseous state.)

  Explain the titration of carbonic acid

The next three (3) problems deal with the titration of 331 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10-11) with 1.5 M KOH.

  Explain reactions within equations and properties of acidity

Reactions within equations and properties of acidity, A reaction occurs for each of the following below. How do you differentiate between the different driving forces? (a driving force can either be the transfer of electrons; the formation of a pr..

  Explain direct reaction of sodium metal with o2g leads

Direct reaction of sodium metal with O2(g) leads to sodium peroxide, Na2O2, which contains a peroxide complex anion and is diamagnetic. Direct reaction of potassium metal with O2(g) leads to potassium superoxide, KO2, which contains a superoxide c..

  Explain what is the value of g° at the temperature

The equilibrium constant for a reaction is 0.38 at 25 °C. What is the value of ?G° (kJ/mol) at this temperature

  Define the hydronium ion concentration in the solution

0.015 M solution of hydrogen cyanate (HOCN) has a pH of 2.67. What is the hydronium ion concentration in the solution and the ionization constant, Ka, for the acid

  Explain ethyl acetate and hexanes

There is a mixture that is soluble only in methylene chloride. I wanna run the column in 10% Ethyl acetate/hexanes. Which method of column loading should I use in this case and why?

  Define what concentration of kmno4 is needed

Solid Ba(MNO4)2 is in equilibrium in a solution of KMNO4. What concentration of KMNO4 is needed to establish a concentration of 2.0 x 10-8 for the Ba 2+ ion in solution?

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