Calculate the entropy change, S, for the following processes. If necessary, look up required data in Appendix

Calculate the entropy change, ΔS, for the following processes. If necessary, look up required data in Appendix D.

(a) A mole of He(g) undergoes an expansion from V to 2V at 298 K.

(b) The temperature of one mole of CH₄(g) is increased from 298 K to 325 K at a constant pressure of 1 bar.

Transcribed Image Text:

TABLE D.1 Ground-State Electron Configurations Element Configuration Z Z 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 17 18 19 24 25 HIGÅ LUZONS JY E> 0 ≤ 2 3 2 3 5 3 3 2 2 5 2 27 Η 15 P He 29 Li 30 Be 31 B 32 C 33 F Ne Na 20 Ca Mg 21 Sc Al 22 Ti Si 23 V CI Ar K 26 Fe 28 Ni Cr Mn Co Cu Zn Ga Ge As 34 Se 35 Br 36 Kr 1s¹ 1s² [He] 2s¹ [He] 2s2 [He] 2s²2p¹ [He] 2s²2p² [He] 2s²2p³ [He] 2s22p4 [He] 2s²2p5 [He] 2s²2p6 [Ne] 3s¹ [Ne] 3s2 [Ne] 3s 3p¹ [Ne] 3s23p² [Ne] 3s²3p³ [Ne] 3s23p4 [Ne] 3s²3p5 [Ne] 3s 3p6 [Ar] 4s¹ [Ar] 4s² [Ar] 3d¹4s² [Ar]3d²4s² [Ar] 3d³4s² [Ar] 3d54s¹ [Ar] 3d³4s² [Ar] 3d64s² Element 37 Rb 38 Sr 39 Y 40 Zr 41 Nb 42 Mo 43 Tc 44 Ru 45 Rh 46 Pd 47 Ag 48 Cd 49 In 50 Sn 51 Sb Te 52 53 54 55 56 57 58 59 60 61 62 63 64 I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd [Ar]3d²4s² [Ar] 3d845² [Ar] 3d¹04s¹ [Ar] 3d¹04s2 65 Tb 66 67 [Ar] 3d¹04s²4p¹ [Ar] 3d¹04s²4p² 68 Dy Ho Er [Ar] 3d¹04s²4p³ 69 Tm [Ar] 3d¹04s²4p4 70 Yb [Ar]3d¹04s²4p5 71 Lu [Ar]3d¹04s²4p6 Configuration Z [Kr] 5s¹ [Kr] 5s² [Kr] 4d¹5s² [Kr] 4d²5s² [Kr] 4d45s¹ [kr] 4d55s¹ [kr] 4d55s² [Kr] 4d75s¹ [Kr] 4d85s1 [Kr] 4d10 [Kr] 4d105s1 [kr] 4d¹05s² [kr] 4d¹05s²5p¹ [kr] 4d¹05s25p² [Kr] 4d¹05s²5p³ [kr] 4d¹05s25p4 [Xe] 6s² [Xe] 5d¹6s² [Xe] 4f²6s² [Xe] 4f³6s² [Xe] 4f46s2 [Xe] 4f6s2 [Xe] 4f6s2 [Xe] 4f²6s² [Xe] 4f75d¹6s² [Xe] 4f%s2 [Xe] 4f106s2 [Xe] 4f¹¹6s² NRNKERKR [Xe] 4f126s2 [Xe] 4f136s2 [Xe] 4f146s2 [Xe] 4f¹45d¹6s² 72 Hf 73 Ta W 74 75 Re 76 Os 77 Element 78 79 80 81 82 83 84 85 86 87 Fr [kr] 4d¹05s²5p5 88 Ra [Kr] 4d¹05s²5p6 89 Ac [Xe] 6s¹ 90 Th 91 92 93 94 95 96 97 98 99 Ir Pt Au Hg TI Pb Bi Po At Rn Pa U Np Pu Am Cm Bk Cf Es 100 Fm 101 Md 102 No 103 Lr 104 Rf 105 Db 106 Sg Configuration [Xe] 4f¹45d²6s² [Xe] 4f145d³6s² [Xe] 4f145d46s2 [Xe] 4f145d56s2 [Xe] 4f145d6s2 [Xe] 4f¹45d²6s² [Xe] 4f¹45dº6s¹ [Xe] 4f145d106s1 [Xe] 4f145d106s2 [Xe] 4f145d6s26p* [Xe] 4f145d106s36p? [Xe] 4f145d16s?6p3 [Xe] 4f145d6s®6p* [Xe] 4f145d16s26p5 [Xe] 4f145d106s26p6 [Rn] 7s¹ [Rn] 7s² [Rn] 6d¹7s² [Rn] 6d²7s² [Rn] 5f26d¹7s² [Rn] 5f³6d¹7s² [Rn] 5f46d¹7s2 [Rn] 5f67s² [Rn] 5f77s² [Rn] 5f76d¹7s² [Rn] 5f97s2 [Rn] 5f107,2 [Rn] 5f117s2 [Rn] 5f¹27s² [Rn] 5f137,2 [Rn] 5f147s2 Rn] 5f¹46d¹7s² [Rn] 5f¹46d²7s² [Rn] 5f¹46d³7s2 [Rn] 5f¹46d¹7s²