1 Chemistry: The Study Of Change 2 Aroms, Molecules, And Ions 3 Mass Relationships In Chemical Reactions 4 Reactions In Aqueous Solutions 5 Gases 6 Thermochemistry 7 Quantum Theory And The Electronic Structure Of Atoms 8 Periodic Relationships Among The Elements 9 Chemical Bonding I: Basic Concepts 10 Chemical Bonding Ii: Molecular Geometry And Hybridization Of Atomic Orbitals 11 Intermolecular Forces And Liquids And Solids 12 Physical Properties Of Solutions 13 Chemical Kinetics 14 Chemical Equilibrium 15 Acids And Bases 16 Acid-base Equilibria And Solubility Equilibria 17 Entropy, Free Energy, And Equilibrium 18 Electrochemistry 19 Nuclear Chemistry 20 Chemistry In The Atmosphere 21 Metallurgy And The Chemistry Of Metals 22 Nonmetallic Elements And Their Compounds 23 Transition Metals Chemistry And Coordination Compounds 24 Organic Chemistry 25 Synthetic And Natural Organic Polymers expand_more
22.1 General Properties Of Nonmetals 22.2 Hydrogen 22.3 Carbon 22.4 Nitrogen And Phosphorous 22.5 Oxygen And Sulfur 22.6 The Halogens Chapter Questions expand_more
Problem 22.1QP Problem 22.2QP Problem 22.3QP Problem 22.4QP: Carbon is usually classified as a nonmetal. However, the graphite used in lead pencils conducts... Problem 22.5QP Problem 22.6QP: Describe two laboratory and two industrial preparations for hydrogen. Problem 22.7QP Problem 22.8QP Problem 22.9QP Problem 22.10QP: Describe what is meant by the hydrogen economy. Problem 22.11QP: Elements number 17 and 20 form compounds with hydrogen. Write the formulas for these two compounds... Problem 22.12QP: Give an example of hydrogen as (a) an oxidizing agent and (b) a reducing agent. Problem 22.13QP Problem 22.14QP Problem 22.15QP Problem 22.16QP Problem 22.17QP Problem 22.18QP: Starting with H2, describe how you would prepare (a) HCl, (b) NH3, (c) LiOH. Problem 22.19QP: Give an example of a carbide and a cyanide. Problem 22.20QP: How are cyanide ions used in metallurgy? Problem 22.21QP: Briefly discuss the preparation and properties of carbon monoxide and carbon dioxide. Problem 22.22QP Problem 22.23QP Problem 22.24QP: Describe two chemical differences between CO and CO2. Problem 22.25QP: Describe the reaction between CO2 and OH in terms of a Lewis acid-base reaction such as that shown... Problem 22.26QP Problem 22.27QP Problem 22.28QP Problem 22.29QP Problem 22.30QP: Magnesium chloride is dissolved in a solution containing sodium bicarbonate. On heating, a white... Problem 22.31QP Problem 22.32QP Problem 22.33QP: A piece of red-hot magnesium ribbon will continue to burn in an atmosphere of CO2 even though CO2... Problem 22.34QP Problem 22.35QP: Describe a laboratory and an industrial preparation of nitrogen gas. Problem 22.36QP Problem 22.37QP Problem 22.38QP Problem 22.39QP Problem 22.40QP Problem 22.41QP Problem 22.42QP: Write a balanced equation for the formation of urea, (NH2)2CO, from carbon dioxide and ammonia.... Problem 22.43QP Problem 22.44QP: At 620 K the vapor density of ammonium chloride relative to hydrogen (H2) under the same conditions... Problem 22.45QP Problem 22.46QP Problem 22.47QP: Write a balanced equation for each of the following processes: (a) On heating, ammonium nitrate... Problem 22.48QP Problem 22.49QP Problem 22.50QP: Predict the geometry of nitrous oxide, N2O, by the VSEPR method and draw resonance structures for... Problem 22.51QP: Consider the reaction N2(g)+O2(g)2NO(g) Given that the G for the reaction at 298 K is 173.4 kJ/mol,... Problem 22.52QP: From the data in Appendix 2, calculate H for the synthesis of NO (which is the first step in the... Problem 22.53QP Problem 22.54QP Problem 22.55QP Problem 22.56QP Problem 22.57QP Problem 22.58QP Problem 22.59QP: Describe one industrial and one laboratory preparation of O2. Problem 22.60QP Problem 22.61QP Problem 22.62QP Problem 22.63QP: Describe the contact process for the production of sulfuric acid. Problem 22.64QP Problem 22.65QP Problem 22.66QP: One of the steps involved in the depletion of ozone in the stratosphere by nitric oxide may be... Problem 22.67QP: Hydrogen peroxide is unstable and decomposes readily: 2H2O2(aq)2H2O(l)+O2(g) This reaction is... Problem 22.68QP: What are the oxidation numbers of O and F in HFO? Problem 22.69QP Problem 22.70QP: In 2008, about 48 million tons of sulfuric acid were produced in the United States. Calculate the... Problem 22.71QP Problem 22.72QP Problem 22.73QP Problem 22.74QP Problem 22.75QP Problem 22.76QP Problem 22.77QP: Describe two reactions in which sulfuric acid acts as an oxidizing agent. Problem 22.78QP Problem 22.79QP Problem 22.80QP Problem 22.81QP Problem 22.82QP Problem 22.83QP Problem 22.84QP Problem 22.85QP Problem 22.86QP: Hydrogen fluoride can be prepared by the action of sulfuric acid on sodium fluoride. Explain why... Problem 22.87QP Problem 22.88QP Problem 22.89QP: Use the VSEPR method to predict the geometries of the following species: (a) I3, (b) SiCl4, (c) PF5,... Problem 22.90QP: Iodine pentoxide, I2O5, is sometimes used to remove carbon monoxide from the air by forming carbon... Problem 22.91QP Problem 22.92QP Problem 22.93QP Problem 22.94QP: What is the change in oxidation number for the following reaction? 3O22O3 Problem 22.95QP Problem 22.96QP Problem 22.97QP Problem 22.98QP: Consider the Frasch process. (a) How is it possible to heat water well above 100C without turning it... Problem 22.99QP: Predict the physical and chemical properties of astatine, a radioactive element and the last member... Problem 22.100QP Problem 22.101QP Problem 22.102QP: Life evolves to adapt to its environment. In this respect, explain why life most frequently needs... Problem 22.103QP Problem 22.104QP: As we saw in Section 21.2, the reduction of iron oxides is accomplished by using carbon monoxide as... Problem 22.105QP: Assuming ideal behavior, calculate the density of gaseous HF at its normal boiling point (19.5C).... Problem 22.106QP: A 10.0-g sample of white phosphorus was burned in an excess of oxygen. The product was dissolved in... format_list_bulleted