University:
College
Course:
College Chemistry
Academic year:

2023
Views:

170

Pages:

2
Author:

Welly R.

No.DateTemperature + Spontaneltyconsider the melting OF ICe :H2° (3) H,oce)AH PUS = +44 1c) /molAS syst = S H2° (a) - SHO(S)Since SH2 (2) > SH2O (3) AS 5Y4 is (+) in valueWhat Is the Sign For As surr 91. Melting OF ice is endothermic2. Ice absorbs/gains heat From Surroundings in order to melt3. Heat (thermal energy) is removed from the Surroundings OF S xrrdecreases (has a (-) value)At + 10° c, Ice Spontaneously melts ; A univ is (t).Intere ference; contribution OF AS sytls greater than A surrConclusion : Importance OF As syst with res Pect toSPontaniety, increases with tempAn equation to predict SPontaneity based an system Propertiesonly : intro to Gibb Energyconsider a Pro Perties OK constant P.T; CAT o AP=0)9 surr = -9SYSt1st law asyst = 9P AHa surr = - AH systASsuss=arev=95um=AHsystTITAs univ : A s Syst + AS Sell2ndcan45 Uliv : A S 5yst -AHSTEATTAS univ = A HSYSE - T AS Syst X-(FT)DeRine Gibbs Energy ; G = H - TSAG syst = AH Sts - A (is) 544 Assume P,T constantAS syst = AH SYST - TASSPA - SAT syst AT = 0A ESYS I 4H SYST - TAS SYS-TASURV = AHSTST - TAS systCSDipindai dengan CamScanner No.DateAGSYST = -TAS univcriterra for S Pantaneous ProcessAS univ is (+) hence TAS Univ is (-7 tAG syst is (-)Crieria for non- spontaneous ProcessAs univ is (-) , hence -TAS univ is (t) +AG s Yst IS (t)