Question

what am i doing wrong?

estion 9 of 12 > Consider the table. Metal TK) Alfus (kJ/mol) T(K) AH yap (kJ/mol) Li 454 2.99 1615 134.7 371 2.60 1156 89.6 K 336 2.33 1033 77.1 Rb312 2.34 956 69 Cs 302 2.10 942 66 Using the data, calculate Asus and AS vap for K. ASvap = 6.93 mol A Su = 74.64

Answer 1

Metat li 454 к Rb Melting emperatureltulla Hrus IT GHvap (KTlmol (6 (eslorod) 2 -99 1615 134.7 371 2.60 1156 89.6 336 2.33 1033771 312 12.34 956 69 302 12.10 1942 66 cs - we know (Assas) = that enthalpy of fusion Alfus (enthalpy of Fusion) Melting temperature (Tm) le, Askus = thrust

For Metal Li ASFuS - - A A HEUS Arus . - 2.99 K Timrod Xlooo Ilmol TA testmot 454k 4 Astus of Li= 2950 Tlmol 254k For metal da = 6:58 Ilknoll ASEUS = Ahaus - 2. Goktorot x1000 Tlmol Helmot Im371 K a spus = 2600 Ilmolk = 7.0 J/kmol 971 - for Metas k. ASFus = CHEUS - 2.33 kstenot x 1000 Tlmol Tem a k testmox Askus = 2330 Tlmol = 6.93 Tlk mol 336K for metal Rb Ascus AHRUS - 2.34ks mod x 1000 Ilmol Tom 312.k khuat Ascus = 2340/312 Tlmolk = 7. 5 Jlk hoe

for metal as Asrus = Hrus - 2.10 Ktherand X 1000 Thal Testool 302 k Askus = 2100 Ilmal - 302.K - 6.95 Jlkmah Now, Average valus of enthalky of fusion Casrus) = (6.58+7.0+ 6.93 +7.5 +6.955 - kmoe Asrus 7 32.96 I s ko - 1. от смо с Hencer Asrus = 7.o Ilknoll لمحمل کی جل و به entropy of Vaporization (Asuap) = enthalpy of vaporisation (Atrap) boiling point temperatures lie, How Aswap = Ahrarth Fof li metal Asuar = Huap/t = 134.7 Kilmal 1615K

I Asuar = 134.7X1600. Ilonal 1615 K Asvap = 134700 Tlmol 1615k for Metal da 83.40 Ilkmo Aswap - 89.6 X1ooo Ilmal - 89600 Tlmol . 1156. K 1156K Asuap = 77.50 Tlk mol För meta K asuar = A ttl x1000 Jmol 77 100 Ilmal 1033K -1033K Asvap = 74.64 Jlkohol for Metal Rb Asvar 69x1000 J/mol 69000 lmol 956k = 956k Dsuap - 72.17 Tlk mol for metal cs Asvar = 66x1 Gou Jlmol - 66000 Ilmal 942k 942K Asuap = 70.06 Ilkinol dow, Average value of entropy of Vaporisation o suap) - (83.46 +77.50 +74.64 +72.17 +70.063 K mol

Asrar a 377.77 Ilk mol - Asuar = 175.5 Tik chol] Hence. Asuar = 175.5 Jikman ASFUS = 17.0 kmol