These are the lecture notes for the Thermodynamics lecture of the year 2020. They can serve as study notes as well. Not all the material of Chapter 3 was covered in the lecture, please note that this is not a summary of the entire Chapter 3, only the lecture.
Complete Test Bank Biochemistry 6th Edition Garrett Questions & Answers with rationales (Chapter 1-32)
Metabolism & Bioengineering: FULL COURSE GUIDE
Biochemistry Enzyme Kinetics and Specificity Lecture Notes
All for this textbook (10)
Written for
University of the Witwatersrand (wits)
Biochemistry YOS 2 (MCBG2032)
All documents for this subject (10)
Seller
Follow
lmvw
Content preview
Thermodynamics
Ks study of chemical processes El whetherrxns spontaneousnonspore
Heat movement
i living require Energy obtained from environmentourroundings ex sun
Thermodynamicprinciples basedon analytic heneftwptylofroduction
freeenergy
standard state referenceAate
compare before run vs after an
comparison req reference
Energy cells
near neutralpH 7 or t z faverage
depend location body
effect pH on And freeenergies
effect cono reactproduct on net isfreeenergy of An
coupled mens
biological system runs non mon are coupled to spontaneous ran
nonspanruns 8 Nb control pts in processes
ATP El Erich compounds
provide E biochemical ring
are products of biochemical Hhs
system surroundings universe
J iseverything
part of universe
we are interested in are
isolated cloned open
no exchange exchangeEnergy exchange Et matter
with turroundings
Matter has mass t occupiesspace
Livingsystems opensystems
nutrients t waste products matter
metabolism heat
, 1st Law Thermodynamics
Energy cannot be created nor destroyed only converted from one
form to another
µ U t pV or DU Qt w
OnWtam
intertalenergy hqaqtnq.glwork done l
Eor U bysystem0
all Energy forms can be converted into other forms
energy conservation
total Energy in isolated system is conserved
internal Energy E represents all E exchanged in physical Chem rims
independentof pathway
statefunction enthalpy entropy internal E
parameteronly depends on presentstate ofsystem
NOT how it reaches that state
Describing Energy change
H Enthalpy amount neat present system
type t bonds in reactants 1 products of An
teat present before rxn vs after ran hence look at DH
transferred heat cornant pressure
DH Absorbed ENDOTHERMIC
DH heatloop EXOTHERMIC from Motown to Remaindings
8 Entropy measure disorder1randomnest in system
LOW 8 orderedstate high Estate unfavourable
High8 disordered state low Estate favourable
8 KenW D8 KlmWf Kenwi
Bottzman
constant b
biochemists are
14 1.38 10 23TIK interestedinchange
s represents energy dispersion dispersion of E among molecular motion
related to discrete microstates
dispersion molecules legglass water
eachmolecule 1micron ate
diff molecularmotion8 bending twitting movement
98 9 Microstate 1 macro state made up of a lot microstates
if macro state system has only 1 Micron ate has no choice
or freedom choosemicrostate zeroentropy
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller lmvw. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $2.83. You're not tied to anything after your purchase.
