Chem 1105 Final Exam 13 December 2008 100 points Name KEY I Multiple Choice 20 questions 3 pts 60 points total 1 All of these occurred and accelerated during the Industrial Revolution in Britain except a Mechanization of production of goods b Termination of export trade c Development and use of steam power d Systematic improvement of iron smelting and ironworks e Emergence of chemical and petrochemical industries 2 Which statement is false with regard to the development of the steam engine during the Industrial Revolution a Factories did not have to be located by water power b Steam engines were adapted to power the machines of nearly every major IR industry c Improvements in the production of iron and the machining of iron for steam engine construction increased steam engine sales d Improvement in the steam engine was continuous and pursued by many engineers and industrialists e The use of steam engines produced no pollution 3 The early production of soap required all of these starting materials except a Benzene b Fuel source of heat c Animal fat fatty acids d Wood ashes alkali e Plant oil glycerol 1 4 Which statement about global warming is false a The predominant greenhouse gas is CO2 b Global warming today has its roots in the Industrial Revolution c Global warming occurs because all of the sun s radiation hitting the earth warms the earth s surface d Global warming is also called climate change e CH4 and N2O are also greenhouse gases 5 The smelting of iron from iron ore required all of these except a Fuel b Carbon c Limestone d Iron ore e Silica 6 All of these were products of the early chemical industry except a Na2CO3 b NaCl c PCl3 d K2CO3 e NaOCl 7 Beer and wine contain and are a Methanol acidic b Propanol basic c Ethanol basic d Ethanol acidic e Methanol basic 2 8 Coal fired power plants produce all of these except a SiO2 b SO2 c Hg d NO2 e CO2 9 The method used to separate organic compounds in coal tar and also to increase the alcohol in scotch whiskey is called a Electrolysis b Smelting c Saponification d Fractional distillation e Organic synthesis 10 All of these are by products of coal except a Coal gas b Sulphuric Acid c Coke d Ammonium chloride e Tar 3 11 Oxides of metals Cu Fe Pb and oxides of nonmetals Si were used extensively in the industry a Coal tar b Steam engine c Soda ash d Fermentation e Pottery 12 Select the chemical equation for fermentation of glucose into grain alcohol in the presence of yeast a C6H12O6 6O2 6CO2 6H2O b C6H12O6 6H2 6CH3OH c C6H12O6 2C2H5OH 2H2O d C6H12O6 O2 2C2H5OH 2H2O2 e C6H12O6 8H2 O2 6CH3OH 2H2O 13 Which of the following chemical strategies is not a green chemistry strategy a Increase the use of petrochemical solvents to insure product purity b Decrease the toxicity of reactants c Increase the use of catalysts where possible d Select reactions that have minimal energy requirements e Increase the ratio of product atoms to reactant atoms 4 14 All of these methods are being developed to reduce the amount of CO2 in the atmosphere except a Store CO2 in spent mines b Dissolve CO2 in the oceans c Capture CO2 in coal fired power plant flues d Walk or take public transportation e Convert CO2 to non greenhouse gas compounds such as CO carbonates HCOOH 15 Charcoal and coal were used extensively during the Industrial Revolution All of these statements are true for both charcoal and coal except a Charcoal and coal are produced from natural resources in the absence of oxygen b The primary element in charcoal and coal is carbon c Many impurities and water are driven off in the production of charcoal and coal d If heated long enough charcoal produces coal e Charcoal and coal were used to heat homes 16 The first dye synthesized was mauve Which statement about mauve is false a The starting materials for the synthesis of mauve were products of coal tar b William Perkins synthesized mauve when he was trying to make indigo c Mauve is an organic dye d William Perkins was only 18 years old when he synthesized mauve e As recently as 2007 researchers reported on the actual structure of mauve molecules 5 17 Coal produces about of the world s electricity and the US has about of all coal reserves a 20 80 b 52 70 c 80 15 d 25 12 e 40 27 18 All of the following are properties of soap except a Insoluble in water b Lowers the surface tension or water surfactant c Has a negative charge d Consists of sodium or potassium salts of fatty acids e Has a long carbon chain that dissolves fats and oils 19 Which statement about acid rain is false a Acid rain forms when non metal oxide gases combine with water in the atmosphere b Acid rain causes the pH of lakes oceans and rivers to decrease c Acid rain forms when metal oxide gases combine with water in the atmosphere d When the ocean becomes too acidic seashells start to dissolve e Acid rain causes bronze statues to corrode 6 20 Distilled alcohol cannot be fortified to more than 95 alcohol because a Current separations methods are not good enough b Alcohol and water form an ideal solution c Alcohol would decompose if the percentage exceeds 95 d Alcohol and water form a nonideal solution e Alcohol with greater than 95 alcohol explodes II Oral Presentations 10 questions 2 points 20points total 1 Briefly describe the saponification reaction Name the starting materials and the product Saponification is the reaction for making soap Glycerol 3 fatty acids triglyceride Triglyceride sodium or potassium alkali alkali salt of fatty acid glycerol Alkali salt of fatty acid soap 2 The first person to light his own house with coal gas was Wm Murdoch 3 Name the three main ingredients needed to make beer Barley yeast water 4 What compound did Priestley heat to collect oxygen HgO 5 How did Roebuck and Garbett advance the oil of vitriol industry They started making sulphuric acid in lead containers instead of glass containers This increased the capacity of the containers and therefore production level 6 Name the three components of pottery glaze Silica alumina flux 7 Name two ways that bleach works Bleach converts C O and C C bonds to single bonds via oxidation adding oxygen or reduction 7 8 Who coined the term porcelain Marco Polo 9 Name the three major components of glass Silica former soda ash or potash flux stabilizer CaO 10 Which of the fabric dyeing methods requires the oxidation of the dye vat dyeing III Short essays 20 points Note that you should pick one from each question Clarity factual material specific examples and good