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Gabarito da 1a. lista de Química Geral IC-348 – apenas as questões de cálculos 1. E = 1,989x10-23 J E = 11,97 J/mol 2. λa = 4x10-4 m λb = 1,5x10-4 m ; νa = 7,5 x 1011 s-1 νb = 1,5x1012s-1 Ea = 4,97x10-22J Eb = 9,94x10-22 J 3. E = 7,95x10-18 J E = 4,7x106 J/mol 4. (a) 2,0x10-10 m (b) 1,66x10-17 J (c) 1,2x10-8 m (d) UV 5. λ = 4,86x10-12 m 6. 7,83x10-19 J 7. (a) 2,43x10-12m (b) 3,4 x10-4 m (c) 1,32x10-13 m 8. 5,26x103 m/s 9. Z = 40g/mol = Zr 10. (a) 6.56x10-7 m (vermelho) (b) 4,86x10-7 m (azul) (c) 1,22x10-7 (UV) (d) 1,87x10-6 m (UV) 12. E1 → 5 = 2,09x10-18 J E2 → 6 = 4,84x10-19 J E400nm = 4,97x10-19 J E700nm = 2,84x10-19 J de 1→5 não de 2 → 6 não 13. n = 4 14. (a) EH = -2,18x10-18 J (b) EHe+= -4,36x10-18 J (c) ELi2+=-6,54x10-18 J (d) EC5+=-1,3x10-17 J (d) EFe25+=-5,67x10-17 J 15. (a) Δxe- = 5,8x10-4 m (b) Δxbola = 3,64x10-33 m 21. (a) 32; (b) 8; (c) 25; (d) 10; (e) 6; (f) 0; (g) 1; (h) 9; (i) 0; (j) 2; 22. Sc: 1s22s22p63s23p64s23d1; Fe: 1s22s22p63s23p64s23d6; P: 1s22s22p63s23p3; Cs: 1s22s22p63s23p64s23d104p65s24d105p66s1; Eu: 1s22s22p63s23p64s23d104p65s24d105p66s24f 7 Pt: 1s22s22p63s23p64s23d104p65s24d105p66s14f 145d9 Xe: 1s22s22p63s23p64s23d104p65s24d105p6; Cf: 1s22s22p63s23p64s23d104p65s24d105p66s24f 145d106p67s25f10; As: 1s22s22p63s23p64s23d104p3; Sr: 1s22s22p63s23p64s23d104p65s2; W: 1s22s22p63s23p64s23d104p65s24d105p66s24f 145d4; Pb: 1s22s22p63s23p64s23d104p65s24d105p2; Br: 1s22s22p63s23p64s23d104p5 23. (a) 18; (b) 30; (c) 40; 27. Um par e-: C, O, Si, S, Ti, Ni, Ge, Se Um e-: H, Li, B, F, Na, Al, Cl, K, Sc, Cr, Cu, Ga, Br; 29. V2+: 1s22s22p63s23p63d3 ; Cr3+:1s22s22p63s23p63d3; Fe3+:1s22s22p63s23p63d5; Zn2+:1s22s22p63s23p63d10; Ag+: 1s22s22p63s23p64s23d104p64d10; Pt2+: 1s22s22p63s23p64s23d104p65s24d105p64f 145d8
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