Chemistry, Third edition

23 · FORENSIC CHEMISTRY Drinking and driving Excess alcohol is a major cause of traffic accidents and all countries have taken s ...

DRINKING AND DRIVING a suspect. Because of the way that gases inhaled through the lungs are exchanged with fine capillaries, the ...

23 · FORENSIC CHEMISTRY cause many traffic accidents but the presence of such substances can only be con- firmed by analysis of ...

REVISION QUESTIONS 429 Revision questions 23.1.The following table shows the concentration of strychnine in the blood at variou ...

d-block elements d-block elements Electronic Structures This table gives the electronic configurations of the elements in their ...

Lanthanoids Actinoids d-block elements Shell 1 s 2 s 3 s 4 s 5 s 6 s 7 Subshell 4s 4p 4d 4f 5s 5p 5d 5f 5g 6s 6p 6d 7 55 Cs 2 8 ...

Unit 1 Exercises 1A (i)3.45 10 –^5 (ii) 3  108 (iii)8.205 75 10 –^2 (iv)3.5 100 (v)6.022 1023 (vi)1.7 101 1B (i)379.75 (or ...

ANSWERS TO EXERCISES AND REVISION QUESTIONS 433 (iv)Al 4 C 3 12H 2 O4Al(OH) 3 3CH 4 (v)3Zn2H 3 PO 4 Zn 3 (PO 4 ) 2 3H 2 (v ...

434 ANSWERS TO EXERCISES AND REVISION QUESTIONS (vii) (viii) (ix) (x) 4B (i) (ii)2K(s)Cl 2 (g)2KCl(s) (or 2K+, 2Cl–(s)) 4C (i) ...

ANSWERS TO EXERCISES AND REVISION QUESTIONS (iii) (iv) 8 (v)[BeCl 4 ]^2 – Beryllium has a more stable electronic configuration i ...

ANSWERS TO EXERCISES AND REVISION QUESTIONS Revision questions 6.1 (i)Pure nitric ‘acid’ is a covalent liquid and does not conta ...

ANSWERS TO EXERCISES AND REVISION QUESTIONS Revision questions 7.1 (i)C  4 (ii)Mn  4 (iii)S  6 (iv)Sn  4 (v)N  3 7.2 (ii)ye ...

ANSWERS TO EXERCISES AND REVISION QUESTIONS volmolar concentration MnO 4 –  (^3) V0.020 amount in moles of FeC 2 O 4 5 0.007 ...

ANSWERS TO EXERCISES AND REVISION QUESTIONS pressure. Therefore, 0.122 mol of O 2 occupies 0.122 24 2.9 dm^3. Summarizing, 10. ...

ANSWERS TO EXERCISES AND REVISION QUESTIONS 11.5One mole of calcium oxalate dissolves in water producing an equal concentration ...

ANSWERS TO EXERCISES AND REVISION QUESTIONS 12R (i) 6 (ii) 2 . 12S (i)A Sodium atom loses its outer shell electron when it beco ...

ANSWERS TO EXERCISES AND REVISION QUESTIONS (c) Two fluorine atoms accept electrons: 2F(g)2e–2F–(g) H^ — 4 (2339)678 kJ ...

ANSWERS TO EXERCISES AND REVISION QUESTIONS 443 Unit 14 Exercises 14A (i)NO disappears at twice the rate that H 2 disappears 0. ...

ANSWERS TO EXERCISES AND REVISION QUESTIONS 14.10 Unit 15 Exercises 15A Statement (b) is correct. Statement (a) is incorrect bec ...

ANSWERS TO EXERCISES AND REVISION QUESTIONS (iii) Kc(T)kkf b Here, 3.892.4^10 4 kb giving, kb2.4^10 4 3.89 6.2^10 –^5 ...