Unformatted text preview:

-=-Energ~tlc~ r-~ A-10 9 ~ample o.P tUuer ts h-eated to too/)c J -f he n acfd e d -t o ~ D 9 of H t o 6J J. 6 o c 1 fl an /f\SVIaJeo C'afo(l {'()-eter. @-thermal' f.qu1/, -t-hf ~t-trn p o-P -tt\ e ~'{ Jte m was rf)eaf a r t o ti) as() c . Wna..:t iS +he spec;fLC hea_--t Df S\lver? S P~'c:trc , ttectt wo _ H-~ D (-€) . <q • I~ q J . ~-I -oc - I A') o ·Ds3 J ·~J'-c' . tBtn .. a._a .J·s-.' ·c~' c) 1 :s J ·9-' ·c-' '71)8 G 1~J · g·-~c ' H~eo.t= ma~s x speott1c h-ea-l x IJT-ernp ~ J = ~-A J X ( T2. -T 1 ) D c :J .. t1'c htal loft t heat ga,neJ = 0 . S" specifiC heat IDOsxsx (toooC-~5(iC)t~Cjy <J.J0<fJyUAf'C2B5t) ;;:D 9· L S = ~ o C\ 1< 4 · I ce,4 0 x & . D () C . \ ~ =_ u. ;fa J~~ou ne-eD to l'Denn fLJ There chang-es 1 n stat-e thC\-t ~ r-e ermottrerrhtc. · • c C\JD.tCf..S. ~ ~ C ·= r -e lfCLCf .heat · • 'l n A-~ fJ . ~" A b S or b hi £lt Cl1 oor11~ b/VJ A <t-u vepenns on -th{ lc--\c-t trut It IS fC\r -eo1Sit'r tD CtrcOlat-e J compress ftu,Ds i'~n r1, s -ro eng1neer Utn erectrtc r-engerato! baseD of oms>e Chan3e from J'DI t D ·tD 1 rq. -1: \AIV!ot IS the n-et en-ergy (t/faseo 1n -th1J' rxn1 c 11 '-' +-c 1 =--) c· H 3 c ' -+ H c t @ 1 D '0 K J (3 ) I 0 CO k J C) l5 <! K J ., IJ) I 4 0 3 kJ 0crv rrtr~JtfJ' t<J-mu/-1 K - H 1'3 { I L - c I 0 ~ l C 1-C I . :) '3q C - H <I f o H -C i .1 • -4 ~ l C - c . 33 5 * Jt a rwa '-P' rfqu t~e_r energy 1D brea. t bL n vs, ~ VCtl u e S' Odf Ct I U/O.Jj S' [ -t-). . . -v-rtuuYe ve r, W hf 0 ~ 01 ven bD no for mJ' t() -th-e gas pnate, rt w 111 ffiuJO. yt rttea.ff. ~thaf ucu(Jf a mt of bOnb energy. •}( ~ ' I+ ' . - . -~·· 0 • ~ -~ ..... _j,. i_ .... -. .. ... · (I 4 •" . ., 0 0 1--+ .. .:C l H + : C ~ C 1 ~ ~) 11 :: C t C I ~ + .. h:f ) : 017 '.., {} .. i-i \~0 /\ .. ~ H \ \ { Br.fett one BrfctiL o 0-e_ F!X rn ·on f Pnfm of\,e C ·-H bono t :..c, I bvnD C-CI bono H-CI bDi\0 l: ~ - -/hfrf Off J bonus iD be trot-en _ror c-H J ~~ o kJ of -energy ar-e (eq. per moL For Cl-c 1 l a·31 l(j req. Tht ro taJ 1S ~<gg kJ ~ bonos ore ftrmeD. Fvr C·-CI} ·)~l tj crf energ\{.o.r-e. r-e\'€LlStD ~ i=or t-\-t \> -49.1. t~ (-tlfGtJrD • 'TDta.J re.it.etSC.O ·=·I~Yi K ~ 15~-(.p<::iCf= l05tJ --¥ 1 WI~ tWVtfvlt0 illCA s & of YXn2e n f J Ceotiv \ muJ't b-e bv r nccJ ~~ .. ~bomb Calu' me.ter to (CtJJ'e 11-J' ternp b~ ®)o ·.:~s9 6) a '6 9 c)s .'Q9 D)6S3 Tht r fY1DDL1('G1rY' 'c_ 'futOJ DH :·otll b usru, f\ l't (Q H-~) f()Jor t (Y)tttr rons-ro n+--<~IJ~qkJ·<]-1 I' ~5q }(j . 6C ~I Heat e vo\ v-e D t-hfat-gcu neD :-0 fl>DDk. SOlUnon. X r 11 .Cf ~J ..,-I 5uC y J. J5 q ~j ::-0 ·-9-Jc:_. x.-=-o . ~ts::; ~h/ solution: l~y / .'JsqyJ )( 9 =0,16 o)! - q J • qy...O* t use t\'1£ \1-ea-ts of fhuncxhof\ > f.) H /J 'n_ fa b\-e to l)ttt\ \DInt lJ. \-1-rt> ( tr\1 S ( j () ~ C ~ -H t t6 Oz.-'> 4 C l) 1 t 2.1-12.0 ·n · 0 il -1 v ·) t:-•mo C1H1. t22.i-~tD -2~£ c 01 -39 3 A} I 1DD!l IL.l B )-i'b~Q K.l c) -!)~/03 Kl @ -Cl5!b tcj 6Hvrvn-=-L-n.l\Hor (Pt.DDU.t.iS)·-~rn l:>H;" (fec\cjqnts) ::: [l4 x ( -3q3 ~))r ~ x(-~4~ KJ)]-~ x (~al kJ) t s x ( o kJY] IJH o rxn-=--~5JOkj ¥ . C•1 ve n · Ec,v(mon 1·. ~o'L-'J ~ -ro~ 61+ =f3oo ~ej E CJ 11 ~.Vi o n ?.-: 1-so '2. ..,_ o 1. ~ 2 s D 3 ___ _ _ IJ H == -~ o o k J Uge fh11' tO Ccu'CUI{~( th-e heat of fbr fYYXtlon .:>f f L A)--500 1<-J·mol-' (t3))-<f00KJ·mot-1 C)tiOOkj-mol-1 D)tJOOKJ • /Y)t)( f So) eg. I : Sb-ztJJ) S(s1D2(3J 6 If ::13 KJ bfCDmfJ Sl nf bz[g)-)rOz.lg) ~ tt -=-- 3 00 KJ e q. l : ZS Dz£g)t0d9) -'> 1 SD3L9) 6 H =-~ OOtJ ·-_ _ becom-es ~)0~ l9) t j_ D2l9). --;SD3 C!J) a IJtl;-(00 ''Ack-i1 n9 -thf ~qua..tz or.S' 10ge1h-er <jl v-et you: Sts)-r0'L(g)rS'D2/q)r-b- 07Cg) -) SD:z(tj)-t-SD3l9) /J tt = (-3uo~J)i-(:-too k'J) ~-400 KJ oiA)hfn \(OV COntti'SObS)Of\CfS trut-·opPtCt( Df\ both S1DfS . . ·S'(&) -t _1 0 1. t 9 ) -'> S D ~ ( 9 ) 2 ~ H f = -10 0 K-J · mD 1 - ' ¥ \f\.ln 'c n crun~e \~ \\ k-e \ ~ 1\J tt o.cco mpl t\SheD b~ o.n \rt. In fnifOp~ ~ A) Nzl9) T 3+t ~ cg) -; ~~ NH3 C3) 0~ ~5cC r.1) A~f-(Llq) r Cl-((-tq) -'> ~qCI iS) @ JooC D~uztS') ~CuttS) tu --1o()~ b) rlz9-D tS) --'> HdDJ~) @I 00 C go\1'19 ffom SD\ (1) n 0as \nCrfaSeS' entfi)Py. - - -------4 u nvet ,~h l t ll c1 r (' u fY\Sia0ee/_uJ.o u 1_0 t11t' free e ner 9y cmnge ttr a (y() J?e (flct11Uf1Lj 1€T'()pt'rodvrc IOTXP~? f1) .n i1 l s (-) B) /) 1-+ I s ( 1-) c) ~S hClS 1ar9e (t) va.tue D)~S rus small votu-e of -· ll (~ ~ ll H -I 6 ~ fiTht ( s '9() . · In A) fvfn ,f H 1J' L-) )lhi vCLtue of 8 m'<jY\1 ~t:Xco me_ tt) I ·A A IJC\...A ~("K'IA\ ~ 1f th-e ifmp. Wfr-e hr<jh cA/or fhf en-tropy cnangf wtrf to.rge -enooa ". 4 L1 H IS (t-) ) wh1c 11 usua(l y prfDic1 s a n on-spont . ('Jn. unJ.P&fThere tS .. S·1gn1hcani .-en-troP,f-Chaf''(j-c (} h1gn +emp cono1t1ons. · c h or Cf n 91 ve s thf pOSeS' I bd 1 t:J ~~~A of o.. (-e 1 af1 Vl \y -temp. 1nDe p. voJue .Po( -tYte {rf-e .en-ergy Change. ;f ~s hAS' JIYY11( voJue) f\o mct-ttef -th-e. Sign )-tt1e.n the p(oouct of' t\\{ -temp. cJ..th-e -errnoP'-fCho.n~e LOtti be a0ma1t +P compcH-eD tD th{ t11..e of--en-thO. I P\/ change.-a \AI t'YJ\t masS o~ 'P I~ rn b. IQ D mo IS' of Ca u>(PO<J)VJ (OH}z. ? 1 mo 1· Ct:t, t)_(Po~,)~p (_otJ )~ ~ &; m{) t P 0. I ao -mol cc, I o( Po<{ )(c(D_tf)z -)'-rd. X D. ( …


View Full Document

UCF CHM 2046 - Energetics

Download Energetics
Our administrator received your request to download this document. We will send you the file to your email shortly.
Loading Unlocking...
Login

Join to view Energetics and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Energetics 2 2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?