1 Matter And Measurements 2 Atoms, Molecules, And Ions 3 Mass Relations In Chemistry; Stoichiometry 4 Reactions In Aqueous Solution 5 Gases 6 Electronic Structure And The Periodic Table 7 Covalent Bonding 8 Thermochemistry 9 Liquids And Solids 10 Solutions 11 Rate Of Reaction 12 Gaseous Chemical Equilibrium 13 Acids And Bases 14 Equilibria In Acid-base Solutions 15 Complex Ion And Precipitation Equilibria 16 Spontaneity Of Reaction 17 Electrochemistry 18 Nuclear Reactions 19 Complex Ions 20 Chemistry Of The Metals 21 Chemistry Of The Nonmetals 22 Organic Chemistry 23 Organic Polymers, Natural And Synthetic expand_more
Chapter Questions expand_more
Problem 1QAP: Atomic Theory and Laws State in your own words the law of conservation of mass. State the law in its... Problem 2QAP: State in your own words the law of constant composition. Problem 3QAP: Two basic laws of chemistry are the law of conservation of mass and the law of constant composition.... Problem 4QAP: Two basic laws of chemistry are the law of conservation of mass and the law of constant composition.... Problem 5QAP: Who discovered the electron? Describe the experiment that led to the deduction that electrons are... Problem 6QAP: Who discovered the nucleus? Describe the experiment that led to this discovery. Problem 7QAP: Selenium is widely sold as a dietary supplement. It is advertised to protect women from breast... Problem 8QAP: Radon is a radioactive gas that can cause lung cancer. It has been detected in the basement of some... Problem 9QAP: How do the isotopes of argon, Ar-36, Ar-38, and Ar-40, differ from each other? Write the nuclear... Problem 10QAP: Consider two isotopes Fe-54 and Fe-56. (a) Write the nuclear symbol for both isotopes. (b) How do... Problem 11QAP: Uranium-235 is the isotope of uranium commonly used in nuclear power plants. How many (a) protons... Problem 12QAP: An isotope of americium (Am) with 146 neutrons is used in many smoke alarms. (a) How many electrons... Problem 13QAP Problem 14QAP Problem 15QAP Problem 16QAP: See the definition for isobars in Question 15. Consider Cr-54, Fe-54, Fess, and Ni-S8. (a) Which of... Problem 17QAP: Calculate the mass ratio of a bromine atom to an atom of (a) neon (b) calcium (c) helium Problem 18QAP: Arrange the following in the order of increasing mass. (a) a potassium ion, K+ (b) a phosphorus... Problem 19QAP: Cerium is the most abundant rare earth metal. Pure cerium ignites when scratched by even a soft... Problem 20QAP: Consider the three stable isotopes of oxygen with their respective atomic masses: O-16 (15.9949... Problem 21QAP: Bromine has two occuring isotopes: 79Br with atomic mass 78.9183 and 81Br with atomic mass 80.9163.... Problem 22QAP: Rubidium has two naturally occurring isotopes:... Problem 23QAP: Strontium has four isotopes with the following masses: 83.9134 amu (0.56%), 85.9094 amu (9.86%),... Problem 24QAP: Neon is an inert gas with three stable isotopes. It is used in gas lasers and in advertising signs.... Problem 25QAP: Naturally occurring silver (Ag) consists of two isotopes. One of the isotopes has a mass of... Problem 26QAP: Copper has two naturally occurring isotopes. Cu-63 has an atomic mass of 62.9296 amu and an... Problem 27QAP: Silicon (averageatomicmass=28.0855amu) has three isotopes. Their masses are 27.9769 amu, 28.9765... Problem 28QAP: Magnesium (averageatomicmass=24.305amu) consists of three isotopes with masses 23.9850 amu, 24.9858... Problem 29QAP: Zinc has four stable isotopes: Zn-64, Zn-66, Zn-67, and Zn-68. Their natural abundances are 48.6%,... Problem 30QAP: Chlorine has two isotopes, Cl-35 and Cl-37. Their abundances are 75.53% and 24.47%, respectively.... Problem 31QAP: Lead is a heavy metal that remains in the bloodstream, causing mental retardation in children. It is... Problem 32QAP: Silversmiths are warned to limit their exposure to silver in the air to 1108 g Ag/L of air in a... Problem 33QAP: Determine (a) the number of atoms in 0.185 g of palladium (Pd). (b) the mass of 127 protons of... Problem 34QAP: For bismuth (Bi), determine (a) the number of atoms in 0.243 g. (b) the mass of 139 protons. Problem 35QAP: The isotope Si-28 has a mass of 27.977 amu. For ten grams of Si-28, calculate (a) the number of... Problem 36QAP: Myocardial perfusion imaging (MPI) is the latest tool used in the detection of coronary artery... Problem 37QAP: A cube of sodium has length 1.25 in. How many atoms are in that cube? (Note: dNa=0.968 g/cm3.) Problem 38QAP: A cylindrical piece of pure copper (d=8.92g/cm2) has diameter 1.15 cm and height 4.00 inches. How... Problem 39QAP: Give the symbols for (a) potassium (b) cadmium (c) aluminum (d) antimony (e) phosphorus Problem 40QAP Problem 41QAP Problem 42QAP Problem 43QAP: How many metals are in the following groups? (a) Group 1 (b) Group 13 (c) Group 17 Problem 44QAP: How many nonmetals are in the following periods? (a) period 2 (b) period 4 (c) period 6 Problem 45QAP: Which group in the periodic table (a) has one metalloid and no nonmetals? (b) has no nonmetals or... Problem 46QAP: Which period of the periodic table (a) has no metals? (b) has no nonmetals? (c) has one... Problem 47QAP Problem 48QAP Problem 49QAP Problem 50QAP Problem 51QAP Problem 52QAP: Complete the table given below. Problem 53QAP: Classify the following compounds as electrolytes or nonelectrolytes. (a) potassium chloride, KCL (b)... Problem 54QAP Problem 55QAP Problem 56QAP Problem 57QAP Problem 58QAP: Write the names of the following molecules. (a) Tecl2 (b) I4O9 (c) XeO3 (d) S4N4 Problem 59QAP Problem 60QAP Problem 61QAP Problem 62QAP Problem 63QAP Problem 64QAP Problem 65QAP: Write the names of the following ionic compounds. (a) HCl(aq) (b) HClO3(aq) (c) Fe2(SO3)3 (d)... Problem 66QAP Problem 67QAP: Complete the following table. Problem 68QAP: Complete the following table. Problem 69QAP Problem 70QAP Problem 71QAP Problem 72QAP Problem 73QAP: Criticize each of the following statements: (a) The Rutherford experiment confirmed the presence of... Problem 74QAP: Which of the following statements is/are always true? Never true? Usually true? (a) Compounds... Problem 75QAP: Some brands of salami contain 0.090% sodium benzoate (NaC7H5O2) as a preservative. If you eat 6.00... Problem 76QAP: Carbon tetrachloride, CCl4, was a popular dry-cleaning agent until it was shown to be carcinogenic.... Problem 77QAP Problem 78QAP Problem 79QAP Problem 80QAP: Use the law of conservation of mass to determine which numbered box(es) represent(s) the product... Problem 81QAP Problem 82QAP Problem 83QAP: Scientists are trying to synthesize elements with more than 114 protons. State the expected atomic... Problem 84QAP: Write the nuclear symbol for the element whose mass number is 234 and has 60% more neutrons than... Problem 85QAP Problem 86QAP: Write the atomic symbol for the element whose ion has a 2 charge, has 20 more neutrons than... Problem 87QAP Problem 88QAP: Three compounds containing only carbon and hydrogen are analyzed. The results for the analysis of... Problem 89QAP: Ethane and ethylene are two gases containing only hydrogen and carbon atoms. In a certain sample of... Problem 90QAP: Calculate the average density of a single Al-27 atom by assuming that it is a sphere with a radius... Problem 91QAP Problem 92QAP: Each time you inhale, you take in about 500 mL (two significant figures) of air, each milliliter of... Problem 93QAP: Hydrogen gas is prepared in a lab experiment. In this experiment, 18.00 g of aluminum metal are... format_list_bulleted