Session 1 - Equilibrium - Paola Rivas

7/25/2019 Session 1 - Equilibrium - Paola Rivas

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CHEMISTRY PREPARATION SESSION 1Course : CHEM PREPARATION Delivered : Tuesday, January 19, 2016Instructor : Mr. Carlos Or !" TBCB : Tuesday, January 19, 2016Student : PAOLA RI AS ETTC : A!!ro"# 1$%&' (in

I# a #!rs you don$ su%%eed, &ens'yd!(!n) !s no #or you. ANON

Paola, & a(e yo u e(e r *ond ere d &o * a +a+ y !n &e *o + )e s o-y)e n / nl!' e yo u and e , a #e us d oes n o+r ea &e a !r. e , l!' e yo u a nd e, a #e us n ee d s o-y)e n . & e re d oes &a o-y)e n %o e #ro O A , +e#ore*e ans*er &!s 3ues !on, le $s )o o(er a (ery 3u!%' re(!e* o# &o* YO) and I )e our o-y)en:

ell, *+ter * e a re + orn , *e !n&ale a!r !n o o ur lun )s and & a a !r di++u s e s !n o %a4!llar!es 5 &es alles %!r%ula ory (essels !n our +od!es , and &ere ! %o es !n o %on a% * ! &our +lood. ! &!n ourre d +l oo d %ells, a (ery s4e%!al!"ed 4 ro e !n %alle d &e o) lo+!n 5H+ &en rea% s * ! &o-y)e n a%%ord!n )o &e %&e ! %al e 3u a !on :

2 2Hb + O HbO

T&e d ou+l e a rr o*s !n &!s e3 u a !on !nd! %a e &a &e rea% !on %a n o%%ur !n + o & &e fo rward AND re v er s e d!r e% !ons and %an re a%& %&e ! %al equilibrium . E(ery rea% !on a e3u!l!+r!u &as ane,uili-riu( const*nt asso%!a ed *! & ! *e use &e le er K o re4resen &!s %ons an and on%e*e s ar o unders and ! and learn &o* o CA7C/7ATE, *e$ll see &a ! 4ro(!des us *! & (alua+le!n#or a !on a+ou &e rea% !on.

T&e e3u!l!+r!u %ons an , K , #or &e re a% !on +e *e e n & e o ) lo+!n and o-y)en !s s u %&:

&a &e o)l o+ !n e##!%!e n ly +!nd s o-y)en a y4!%al lun ) o-y)en %on%e n ra !on s ,

+u

! %an al so re le a se o-y)e n und e r &e a44ro4r!a e %ond! !ons .

Any sys e a e3u!l!+r!u , !n %lud!n ) &e &e o ) lo+!n 8 o-y)en sys e , RESPONDS o %&an)e s !n*ay s &a a!n a!n e3u !l!+r!u .

o I# a n y o# &e %on%en ra !on s o# &e re a% an s o r 4rodu% s %&an )e, &e re a% !on s &!#s o%oun e ra% &a %&an )e.

or our & e o) lo+ !n sys e , as blood flo ws throu g h the l ungs *&ere o"./en concentr*tions*re 0i/0 , &e e3u!l!+r!u s &!#s o &e r!)& *e o+ser(e &a &e o)lo+!n +!nd s o-y)e n:

*e say &e rea% !on ;;;;;;;;;;;;;;;;;;;;;;;;;;;;

A s blood fl ows out of the lun gs and into mu sc l es and o r ga n s *& e re o"./en concentr*tions0*ve -een de!leted 5+e%au s e u s%les and or)ans u s e o-y)en , &e e3u!l!+r!u s &!#s o &e le # *e o+ser(e &a &e o)lo+!n relea ses o-y)e n:

*e say &e rea% !on ;;;;;;;;;;;;;;;;;;;;;;;;;;;;

CHEMISTRY PREPARATION DYNAMIC E )ILIBRI)M 2 THE E )ILIBRI)M CONSTANT TOPICS 3 E )ILIBRI)MMr# C*rlos Orti4 5 PAOLA RI AS 4a)e 1 o+ 6

Co4yr!)& < 2016 Carlos Or !" = >0?.@ ?.?00? = %arlosB r%arlosor !".%o


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In o &er *ords, !n or d e r o a!n a!n e3 u!l!+r!u :

1 h e m og l obin binds oxygen when the s urrounding oxygen conce ntrationis hi g h ,

but

2 it relea ses oxygen w hen th e surrounding oxygen co n ce ntration i s low.

In &!s *ay, &e o)lo+!n ran s 4 or s o-y)e n #ro &e lun )s 5*&ere ! INDIT TIFHT7 o a ll 4 ar s o# &e +od y 5 HERE IT RE7EA E IT &a u seo-y)en.

BAC7 TO THE )ESTION O8 HO9 A 8ET)S :ETS O;Y:EN :

A #e us &as ! s o* n %!r%ula ory sys e . T&e o &e rGs+lood n e ( e r #lo* s !n o &e #e usGs +ody , a nd &e#e u s %anno )e any a!r !n &e *o + . Ho*, &en, d oes &e # e us )e o-y)en

T&e a n s *er l!es !n &e 4ro4er !es o# ano &er y4e o# &e o)lo+!n %alled #e al &e o ) lo+!n 5H+ , * &!%&!s s l!) & ly d!## e re n #ro adu l &e o) lo+! n . 7!' e adu l &e o)lo+!n , #e al &e o)lo+ !n !s !n e 3u!l!+ r!u *! & o-y)e n :

2 2Hbf + O HbfO

Ho*e( e r , &e e3u !l!+r!u %on s a n , K , #or #e al &e o) lo+!n ! s lar )er &an &e e3u!l!+r!u %on s an #oad ul &e o) lo+!n , ean!n ) &a &e rea% !on end s o )o #ar &er !n &e d! re% !on o# &e 4rodu%5H+#O2 .

HO9 DOES THIS BENE8IT THE 8ET)S

ell, &e #e al &e o) lo+! n 5H+# !s a+le o 7OAD o-y)e n a a lo*er o-y)en %o n %en ra !on &an doe sad ul &e o)lo+!n. In &e 4la%en a , #e a l +lood #lo* s !n %lose 4ro - ! ! y o a ernal +lood. Al &ou)&

&e *o ne(er ! -, +e %au s e o# &e d! # #er e n e 3u!l!+r!u %on s a n s, &e a e rnal & e o)lo+ !n r eleaseso-y)e n &a &e #e al &e o) lo+ !n &en +!nd s a nd %arr! es !n o ! s o *n %!r%ula ory. Na ure &as e(o l(eda %&e !%a l sys e &rou ) & *&!%& &e o &erGs &e o ) lo+! n %an !n e##e% hand off o-y)e n o &e&e o) lo+!n o# &e #e us.

CHEMISTRY PREPARATION DYNAMIC E )ILIBRI)M 2 THE E )ILIBRI)M CONSTANT TOPICS 3 E )ILIBRI)MMr# C*rlos Orti4 5 PAOLA RI AS 4a)e & o+ 6



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CHEMISTRY PREPARATION DYNAMIC E )ILIBRI)M 2 THE E )ILIBRI)M CONSTANT TOPICS 3 E )ILIBRI)MMr# C*rlos Orti4 5 PAOLA RI AS 4a)e < o+ 6



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PRACTICE 1 : Cons!der &e #ollo*!n) rea% !on *&!%& *!ll e(en ually rea%&e3u!l!+r!u .

3 ( ) ( ) 2 ( )CH OH CO + 2H

g g g

a E-4ress &e e3u!l!+r!u %ons an #or &e %&e !%al e3ua !on:

+ Fra4& &e ra es o# &e #or*ard and re(erse rea% !ons (s. ! e.

% Fra4& &e %on%en ra !ons o# all s4e%!es 5rea% an s and 4rodu% s *! &! e . E-4er! en al resul s s&o* &a &e %on%en ra !ons o# ea%& a

e3u!l!+r!u are: CH >OH 0.200 M, CO 0. 00 M, H 2 1.600 M.

CHEMISTRY PREPARATION DYNAMIC E )ILIBRI)M 2 THE E )ILIBRI)M CONSTANT TOPICS 3 E )ILIBRI)MMr# C*rlos Orti4 5 PAOLA RI AS 4a)e = o+ 6



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CHEMISTRY PREPARATION DYNAMIC E )ILIBRI)M 2 THE E )ILIBRI)M CONSTANT TOPICS 3 E )ILIBRI)MMr# C*rlos Orti4 5 PAOLA RI AS 4a)e $ o+ 6



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CHEMISTRY PREPARATION DYNAMIC E )ILIBRI)M 2 THE E )ILIBRI)M CONSTANT TOPICS 3 E )ILIBRI)MMr# C*rlos Orti4 5 PAOLA RI AS 4a)e > o+ 6



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CHEMISTRY PREPARATION DYNAMIC E )ILIBRI)M 2 THE E )ILIBRI)M CONSTANT TOPICS 3 E )ILIBRI)MMr# C*rlos Orti4 5 PAOLA RI AS 4a)e ? o+ 6



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CHEMISTRY PREPARATION DYNAMIC E )ILIBRI)M 2 THE E )ILIBRI)M CONSTANT TOPICS 3 E )ILIBRI)MMr# C*rlos Orti4 5 PAOLA RI AS 4a)e 6 o+ 6

Session 1 - Equilibrium - Paola Rivas

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