New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here

PChem Ma 10/26, 10/28, 10/30

by: Kayli Antos

PChem Ma 10/26, 10/28, 10/30 CHEM 345

Marketplace > Towson University > Chemistry > CHEM 345 > PChem Ma 10 26 10 28 10 30
Kayli Antos
GPA 3.37
Physical Chemistry
Dr. Ma

Almost Ready


These notes were just uploaded, and will be ready to view shortly.

Purchase these notes here, or revisit this page.

Either way, we'll remind you when they're ready :)

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

Chapter: Nonelectrolyte Solutions Topics: The Gibbs Energy Of Mixing, Raoult's Law, Henry's Law, Real/Nonideal Solutions Chapter: Chemical Equilibrium
Physical Chemistry
Dr. Ma
Class Notes
25 ?




Popular in Physical Chemistry

Popular in Chemistry

This 2 page Class Notes was uploaded by Kayli Antos on Friday October 30, 2015. The Class Notes belongs to CHEM 345 at Towson University taught by Dr. Ma in Summer 2015. Since its upload, it has received 16 views. For similar materials see Physical Chemistry in Chemistry at Towson University.


Reviews for PChem Ma 10/26, 10/28, 10/30


Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 10/30/15
P Chem Ma Fall 2015 I Nonelectrolyte Solutions 3 The Gibbs Energy 0139 Mixing 1 AmixG TAmixS 3 Raoult s Law 1 1 1 The partial vapor pressure of a substance in a liquid is equal to the product of its mole fraction and the vapor pressure of the pure liquid P P xi or Pi P xi Pf IS the vapor pressure of the pure I substance An ideal solution is one in which all components obey Raoult s Law At a given temperature and partial vapor pressure ia ig and was uig xig 2 M RT lng if Pi is in bar llg ulO RT In P or xi 110 RT lnPl xl or Mi 2 Al0 RT 1n Pi RT 1n xi If in was then u 1 RT 11 x substance i in a liquid mixture liquid i Can use AmixG RTnA lIlXA IIB lnXB AmixH 0 in is the chemical potential of 1 is the chemical potential of the pure AmixS R m lIlXA IlB lnXB v Henry 3 Law The vapor pressure of a volatile solute is proportional to its mole fraction on a solution Used for dilute solutions when concentration is low For solute B in a dilute solution PB KBXB K is Henry s Law Constant PB is the partial vapor pressure of solute B XB is the mole fraction in solution of solute B P amp K must have the same units PB KB B K is Henry s Law Constant but a different value than the one above Its units are the pressure unit M Ideal dilute solution a solution in which th solvent obeys Rault s Law and the solute obeys Henry s Law If substance A solvent and substance B solute make an ideal dilute solution I For solvent A MA 1121 RT 1n xA I For solute B MB 2 113 piggy RT 1n PB 2 piggy RT In K B I If C0 1 molL or 1M then MBuggRT1anRT1n ugRT1n up 0 chemical potential of B in solution of solute B in solution 1130 standard chemical potential 3 RealZNonideal Solutions 1 1 For any substance i in uio RT lnai For solvent A aA 141 o xA ai the activity of substance i YA activity coefficient of A n For solute B a3 13 23 It Ideal solutions Yi 1 for solvent and solute ai Xi It Ideal dilute solutions solvent A YA 1 aA XA solvent B YB 1 a3 BC0 Chemical Equilibrium O 09 O 09 O 09 O 09 For a general reaction of aA bB r cC dD AG cue dun 61114 19MB Since for a substance i u ulO RT In a AG 2 cmg RTln ac dag RT 1n aD c1012 RT 1n aA 19mg RT 1n aB AG A60 RT 1n gag A60 RT an aAaB At equilibrium AGo so AG RTlnK K is the equilibrium constant KQeq Pi For gas a PO d 2 em 2 are U For an ideal dilute solution a CO c d K 43 233 crmd K b AaBb C CO CO Both AG0 and K are temperature dependent If Kgt1 the products are dominate If Klt1 the reactants are dominate AG RT1n9 K If QgtK AG is positive and the reverse reaction is spontaneous If Kgt Q AG is negative and the forward reaction is spontaneous Q is the reaction quotient cd P P 1f pressures are 1n bar E KP BARB


Buy Material

Are you sure you want to buy this material for

25 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Bentley McCaw University of Florida

"I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

Anthony Lee UC Santa Barbara

"I bought an awesome study guide, which helped me get an A in my Math 34B class this quarter!"

Steve Martinelli UC Los Angeles

"There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

Parker Thompson 500 Startups

"It's a great way for students to improve their educational experience and it seemed like a product that everybody wants, so all the people participating are winning."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.