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Select the best word or phrase that completes each sentence: (addition, allylic substitution, decreases, faster, heterolysis, homolysis, increases, saturated, inductive effects, inhibitor, initiator, ionic, less, more, paired, radical, resonance, selective, slower, unsaturated, unpaired, unselective, with, without)   A compound that prevents radical reactions from occurring is called a radical ………………………. .  Complete word/phrase and correct spelling (verbatim) is required. No partial credit.

What would be an appropriate series of steps to synthesize 1-iodo-2-methylpropane from 2-methylpropene?

Perform a retrosynthetic analysis by working backwards two steps in the synthesis below.  Identify possible combinations of A and B that can lead to the alkyl bromide (C).      

44. Name one hormone  produced in this gland   Aldosterone     Calcitonin       Cortisone    Epinephrine      Estrogen      Glucagon        Insulin          Oxytocin     PTH      Progesterone      Testosterone   Thymopoietin    TH

44.  Name one hormone produced in this gland   Aldosterone     Calcitonin       Cortisone    Epinephrine   Estrogen      Glucagon        Insulin          Oxytocin    PTH      Progesterone      Testosterone Thymopoietin    TH

45. Identify the endocrine gland   Adrenal     Hypophysis       Ovary     Pancreas    Parathyroid       Testis Thymus    Thyroid

48.    Name one hormone produced in this gland Aldosterone     Calcitonin       Cortisone      Epinephrine     Estrogen      Glucagon        Insulin          Oxytocin       PTH      Progesterone      Somatostatin       Testosterone     Thymopoietin      TH

43. Identify the endocrine gland   Adrenal        Ovary         Pancreas     Parathyroid        Testis       Thymus       Thyroid

Consider the titration of 100.0 ml of 0.050 M NH3 with 0.10 M HCl. Calculate the pH at the following volume of HCl added: 60.0 ml. Type in final answer! Kb for NH3 = 1.8 x 10-5  

Balance the following equations in the media noted. In base:            Cr(OH)4ˉ +  OClˉ →  CrO4ˉ2 +  Clˉ Note: final answer goes on your work paper!