Chemistry & Chemical Reactivity 10th Edition
ISBN: 9781337399074
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
1 Basic Concepts Of Chemistry 2 Atoms Molecules And Ions 3 Chemical Reactions 4 Stoichiometry: Quantitative Information About Chemical Reactions 5 Principles Of Chemical Reactivity: Energy And Chemical Reactions 6 The Structure Of Atoms 7 The Structure Of Atoms And Periodic Trends 8 Bonding And Molecular Structure 9 Bonding And Molecular Structure: Orbital Hybridization And Molecular Orbitals 10 Gases And Their Properties 11 Intermolecular Forces And Liquids 12 The Solid State 13 Solutions And Their Behavior 14 Chemical Kinetics: The Rates Of Chemical Reactions 15 Principles Of Chemical Reactivity: Equilibria 16 Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases 17 Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria 18 Principles Of Chemical Reactivity: Entropy And Free Energy 19 Principles Of Chemical Reactivity: Electron Transfer Reactions 20 Environmental Chemistry-earth's Environment, Energy, And Sustainability 21 The Chemistry Of The Main Group Elements 22 The Chemistry Of The Transistion Elements 23 Carbon: Not Just Another Element 24 Biochemistry 25 Nuclear Chemistry Chapter1: Basic Concepts Of Chemistry
1.1 Chemistry And Its Methods 1.2 Sustainability And Green Chemistry 1.3 Classifying Matter 1.4 Elements 1.5 Compounds 1.6 Physical Properties 1.7 Physical And Chemical Changes 1.8 Energy: Some Basic Principles Chapter Questions Section: Chapter Questions
Problem 1PS: In the following scenario, identify which of the statements represents a theory, law, or hypothesis.... Problem 2PS: State whether the following is a hypothesis, theory, or law of science. Global climate change is... Problem 3PS: What is meant by the phrase sustainable development? Problem 4PS Problem 5PS Problem 6PS Problem 7PS: Give the name of each of the following elements: (a) C (b) K (c) CI (d) P (e) MG (f) Ni Problem 8PS: Give the name of each of the following elements: (a) Mn (b)Cu (c) Na (d) Br (e) Xe (f) Fe Problem 9PS: Give the symbol for each of the following elements: (a) barium (b) titanium (c) chromium (d) lead... Problem 10PS: Give the symbol for each of the following elements: (a) silver (b) aluminum (c) plutonium (d) tin... Problem 11PS: In each of the following pairs, decide which is an element and which is a compound. (a) Na or NaCl... Problem 12PS: In each of the following pairs, decide which is an element and which is a compound. (a) Pt(NH3)2Cl2... Problem 13PS: An 18 g sample of water is decomposed into 2 g of hydrogen gas and 16 g of oxygen gas. What masses... Problem 14PS: A sample of the compound magnesium oxide is synthesized as follows. 60. g of magnesium is burned and... Problem 15PS: In each case, decide if the underlined property is a physical or chemical property. (a) The color of... Problem 16PS: In each case, decide if the change is a chemical or physical change. (a) A cup of household bleach... Problem 17PS: Which part of the description of a compound or element refers to its physical properties and which... Problem 18PS: Which part of the description of a compound or element refers to its physical properties and which... Problem 19PS: The flashlight in the photo does not use batteries. Instead, you move a lever, which turns a geared... Problem 20PS: A solar panel is pictured in the photo. When light shines on the panel, it generates an electric... Problem 21PS: Determine which of the following represent potential energy and which represent kinetic energy. (a)... Problem 22PS Problem 23PS: A hot metal block is plunged into water in a well-insulated container. The temperature of the metal... Problem 24PS: A book is held at a height above the floor. It has a certain amount of potential energy. When the... Problem 25GQ Problem 26GQ: Iron pyrite (fool's gold, page 11) has a shiny golden metallic appearance. Crystals are often in the... Problem 27GQ: Which observations below describe chemical properties? (a) Sugar is soluble in water. (b) Water... Problem 28GQ: Which observations below describe chemical properties? (a) Sodium metal reacts violently with water.... Problem 29GQ: The mineral fluorite contains the elements calcium and fluorine and can have various colors,... Problem 30GQ: Azurite, a blue, crystalline mineral, is composed of copper, carbon, and oxygen. (a) What are the... Problem 31GQ: You have a solution of NaCI dissolved in water. Describe a method by which these two compounds could... Problem 32GQ: Small chips of iron are mixed with sand (see photo). Is this a homogeneous or heterogeneous mixture?... Problem 33GQ: Identify the following as either physical changes or chemical changes. (a) Diy ice (solid CO2)... Problem 34GQ: Identify the following as either physical changes or chemical changes. (a) The desalination of sea... Problem 35GQ: In Figure 1.2 you see a piece of salt and a representation of its internal structure. Which is the... Problem 36GQ: In Figure 1.5 you see macroscopic and particulate views of the element bromine. Which are the... Problem 37GQ Problem 38GQ: The following photo shows copper balls, immersed in water, floating on top of mercury. What are the... Problem 39GQ: Categorize each of the following as an element, a compound, or a mixture. (a) sterling silver (b)... Problem 40GQ: Categorize each of the following as an element, a compound, or a mixture. (a) air (b) fluorite (c)... Problem 41GQ: Make a drawing, based on the kinetic-molecular theory and the ideas about atoms and molecules... Problem 42GQ: Make a drawing, based on the kinetic-molecular theory and the ideas about atoms and molecules... Problem 43GQ: Hexane (C6H14, density = 0.766 g/cm3), perfluoro-hexane (C6F14, density = 1.669 g/cm3), and water... Problem 44GQ: You have a sample of a white crystalline substance from your kitchen. You know that it is either... Problem 45GQ: You can figure out whether a solid floats or sinks if you know its density and the density of the... Problem 46GQ: You are given a sample of a silvery metal. What information could you use to prove the metal is... Problem 47GQ: Milk in a glass bottle was placed in the freezing compartment of a refrigerator overnight. By... Problem 48GQ: Describe an experimental method that can be used to determine the density of an irregularly... Problem 49GQ: Diabetes can alter the density of urine, so urine density can be used as a diagnostic tool.... Problem 50GQ Problem 51GQ: The following photo shows the element potassium reacting with water to from the element hydrogen, a... Problem 52GQ Problem 53GQ: Four balloons are each filled with a different gas, each having a different density: If the density... Problem 54GQ Problem 55GQ: The photo below shows elemental iodine dissolving in ethanol to give a solution. Is this a physical... Problem 57GQ: A few years ago a young chemist in Vienna, Austria, wanted to see just how permanent the gold was in... Problem 1RCYU: The distance between two carbon atoms in diamond (Figure 2) is 0.154 nm. What is this distance in... Problem 2RCYU: A student checked the accuracy of two standard top-loading balances by testing them with a standard... Problem 3RCYU Problem 4RCYU: The density of gold is 19,320 kg/m3. What is this density in g/cm3? Problem 5RCYU: A particular paint has a density of 0.914 g/cm3. You need to cover a wall that is 7.6 m long and... Problem 1.1RA: What is the fuel density in units of kg/L? Problem 1.2RA: What mass and what volume of fuel should have been loaded? (1 lb = 453.6 g) Problem 2.1RA: Confirm that a person swimming at the world record rate for the 50-m freestyle would travel 2.4 mm... Problem 2.2RA: At this world record rate, how long would it take for a swimmer to travel 3.0 cm?
Problem 2.3RA Problem 1RPS: Many laboratories use 25C as a standard temperature. What is this temperature in kelvins? Problem 2RPS: The temperature on the surface of the Sun is 5.5 103 C. What is this temperature in kelvins? Problem 3RPS Problem 4RPS: Make the following temperature conversions: Problem 5RPS: A marathon distance race covers distance of 42.195 km. What is this distance in meters? In miles? Problem 6RPS: The average lead pencil, new and unused, is 19 cm long. What is its length in millimeters? In... Problem 7RPS: A standard U.S. postage stamp is 2.5 cm long and 2.1 cm wide. What is the area of the stamp in... Problem 8RPS: A compact disc has a diameter of 11.8 cm. What is the surface area of the disc in square... Problem 9RPS: A typical laboratory beaker has a volume of 250. mL What is its volume in cubic centimeters? In... Problem 10RPS: Some soft drinks are sold in bottles with a volume of 1.5 L What is this volume in milliliters? In... Problem 11RPS: A book has a mass of 2.52 kg. What is this mass in grams? Problem 12RPS: A new U.S. dime has a mass of 2.265 g. What is its mass in kilograms? In milligrams? Problem 13RPS: Ethylene glycol, C2H6O2, is an ingredient of automobile antifreeze. Its density is 1.11 g/cm3 at 20... Problem 14RPS: A piece of silver metal has a mass of 2.365 g. If the density of silver is 10.5 g/cm3, what is the... Problem 15RPS Problem 16RPS: Which occupies a larger volume, 600 g of water (with a density of 0.995 g/cm3) or 600 g of lead... Problem 17RPS: You are on a diet that calls for eating no more than 1200 Cal/day What is this energy in joules? Problem 18RPS: A 2-in. piece of chocolate cake with frosting provides 1670 kJ of energy. What is this in dietary... Problem 19RPS Problem 20RPS Problem 21RPS: You and your lab partner are asked to determine the density of an aluminum bar. The mass is known... Problem 22RPS: The accepted value of the melting point of pureaspirin is 135 C. Trying to verify that value, you... Problem 23RPS Problem 24RPS Problem 25RPS Problem 26RPS Problem 27RPS: To determine the average mass of a popcorn kernel, you collect the following data: Plot the data... Problem 28RPS: Use the following graph to answer the following question: (a) What is the value of x when y=4.0? (b)... Problem 29RPS: Use the graph below to answer the following questions. (a) Derive the equation for the straight... Problem 31RPS: Solve the following equation for the unknown value, C. (0.502)(123) = (750)C Problem 32RPS: Solve the following equation for the unknown value, n. (2.34)(15.6) = n(0.0821)(273) Problem 33RPS: Solve the following equation for the unknown value, T. (4.184)(244)(T 292.0) + (0.449)(88.5) Problem 34RPS Problem 35RGQ: Molecular distances are usually given in nanometers (1 nm = 1 109 m) or in picometers (1 pm = 1 ... Problem 36RGQ: The separation between carbon atoms in diamond is 0.154 nm. What is their separation in meters? In... Problem 37RGQ: A red blood cell has a diameter of 7.5 m (micrometers). What is this dimension in (a) meters, (b)... Problem 38RGQ: The platinum-containing cancer drug cisplatin (Study Question 35) contains 65.0 mass-percent of the... Problem 39RGQ Problem 40RGQ: You need a cube of aluminum with a mass of 7.6 g. What must be the length of the cube's edge (in... Problem 41RGQ: You have a 250.0-mL graduated cylinder containing some water. You drop three marbles with a total... Problem 42RGQ Problem 43RGQ: The smallest repeating unit of a crystal of common salt is a cube (called a unit cell) with an edge... Problem 44RGQ: Diamond has a density of 3.513 g/cm3. The mass of diamonds is often measured in carats, where 1... Problem 45RGQ Problem 46RGQ: The density of pure water at various temperatures is given below. Suppose your laboratory partner... Problem 47RGQ Problem 48RGQ: The aluminum in a package containing 75 ft2 of kitchen foil weighs approximately 12 ounces. Aluminum... Problem 49RGQ: Fluoridation of city water supplies has been practiced in the United States for several decades. It... Problem 50RGQ: About two centuries ago, Benjamin Franklin showed that 1 teaspoon of oil would cover about 0.5 acre... Problem 51RGQ Problem 52RGQ: A 26-meter-tall statue of Buddha in Tibet is covered with 279 kg of gold. If the gold was applied... Problem 53RGQ: At 25 C, the density of water is 0.997 g/cm3, whereas the density of ice at 10 C is 0.917 g/cm3.... Problem 54RGQ: Suppose your bedroom is 18 ft long and 15 ft wide, and the distance from floor to ceiling is 8 ft 6... Problem 55RGQ: A spherical steel ball has a mass of 3.475 g and a diameter of 9.40 mm. What is the density of the... Problem 56RGQ: You are asked to identify an unknown liquid that is known to be one of the liquids listed below. You... Problem 57RGQ: You have an irregularly shaped piece of an unknown metal. To identify it, you determine its density... Problem 58RGQ: There are five hydrocarbon compounds (compounds of C and II) that have the formula C6H14. (These are... Problem 59RGQ: Suppose you have a cylindrical glass tube with a thin capillary opening, and you wish to determine... Problem 60RGQ: Copper: Copper has a density of 8.96 g/cm3 An ingot of copper with a mass of 57 kg (126 lb) is drawn... Problem 61RGQ: Copper: (a) Suppose you have a cube of copper metal that is 0.236 cm on a side with a mass of 0.1206... Problem 62RGQ: You set out to determine the density of lead in the laboratory. Using a top loading balance to... Problem 63RIL: A sample of unknown metal is placed in a graduated cylinder containing water. The mass of the sample... Problem 64RIL: Iron pyrite is often called fool's gold because it looks like gold (see page 11). Suppose you have a... Problem 65RIL: You can analyze for a copper compound in water using an instrument called a spectrophotometer. [A... Problem 67RIL Problem 43GQ: Hexane (C6H14, density = 0.766 g/cm3), perfluoro-hexane (C6F14, density = 1.669 g/cm3), and water...
Related questions
Without doing any calculations, determine the sign of ΔSsysΔSsys for each of the following chemical reactions. Explain why
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2KC103 (s)→2KCI(s) + 302(g)
CH2 = CH2(g) + H2(g)→
CH3CH3 (g)
4Li(s) + O2(g)→2L1,O(s)
N2(g) + 3H2(g)→2NH3(g)
ASsys >
ASsys <0
Definition Definition Transformation of a chemical species into another chemical species. A chemical reaction consists of breaking existing bonds and forming new ones by changing the position of electrons. These reactions are best explained using a chemical equation.
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