1 Matter, Measurements, And Calculations 2 Atoms And Molecules 3 Electronic Structure And The Periodic Law 4 Forces Between Particles 5 Chemical Reactions 6 The States Of Matter 7 Sollutions And Colloids 8 Reaction Rates And Equilibrium 9 Acids, Bases, And Salts 10 Radioactivity And Nuclear Processes 11 Organic Compounds: Alkanes 12 Unsaturated Hydrocarbons 13 Alcohols, Phenols, And Ethers 14 Aldehydes And Ketones 15 Carboxylic Acids And Esters 16 Amines And Amides 17 Carbohydrates 18 Lipids 19 Proteins 20 Enzymes 21 Nucleic Acids And Protein Synthesis 22 Nutrition And Energy For Life 23 Carbohydrate Metabolism 24 Lipid And Amino Acid Metabolism 25 Body Fluids expand_more
Chapter Questions expand_more
Problem 1.1E: A heavy steel ball is suspended by a thin wire. The ball is hit from the side with a hammer but... Problem 1.2E: Explain how the following are related to each other: matter, mass, and weight. Problem 1.3E: Tell how you would try to prove to a doubter that air is matter. Problem 1.4E Problem 1.5E: The attractive force of gravity for objetcs near Earths surface increases as you move toward Earths... Problem 1.6E: Earths rotation causes it to bulge at the equator. How would the weights of people of equal mass... Problem 1.7E: Classify each of the following as a physical or chemical change, and give at least one observation,... Problem 1.8E: Classify each of the following as a physical or chemical change, and give at least one observation,... Problem 1.9E: Classify each of the following properties as physical or chemical. Explain your reasoning in each... Problem 1.10E: Classify each of the following properties as physical or chemical. Explain your reasoning in each... Problem 1.11E: A sample of liquid alcohol is frozen to a solid, then allowed to melt back to a liquid. Have the... Problem 1.12E: Succinic acid, a white solid that melts at 182C, is heated gently, and a gas is given off. After the... Problem 1.13E: A sample of solid elemental phosphorus that is deep red in color is burned. While the phosphorus is... Problem 1.14E: Oxygen gas and solid carbon are both made up of homoatomic molecules. The two react to form a single... Problem 1.15E: Under appropriate conditions, hydrogen peroxide can be changed to water and oxygen gas. Use the term... Problem 1.16E: Water can be decomposed to hydrogen gas and oxygen gas by passing electricity through it. Use the... Problem 1.17E: Methane gas, a component of natural gas, is burned in pure oxygen. The only products of the process... Problem 1.18E: Classify each pure substance represented below by a capital letter as an element or a compound.... Problem 1.19E: Classify each pure substance represented below by a capital letter as an element or a compound.... Problem 1.20E: Consider the following experiments, and answer the questions pertaining to classification: a. A pure... Problem 1.21E: Early scientists incorrectly classified calcium oxide lime as an element for a number of years.... Problem 1.22E: Classify each of the following as homogeneous or heterogeneous: a. a pure gold chain b. liquid... Problem 1.23E: Classify each of the following as homogeneous or heterogeneous: a. muddy flood water b. gelatin... Problem 1.24E: Classify as pure substance or solution each of the materials of Exercise 1.22 that you classified as... Problem 1.25E: Classify as pure substance or solution each of the materials of Exercise 1.23 that you classified as... Problem 1.26E Problem 1.27E: In the distant past, 1in. was defined as the length resulting from laying a specific number of grain... Problem 1.28E Problem 1.29E: Which of the following quantities are expressed in metric units? a. The amount of aspirin in a... Problem 1.30E: Which of the following quantities are expressed in metric units? a. Normal body temperature: 37C b.... Problem 1.31E Problem 1.32E Problem 1.33E: Referring only to Table 1.2, answer the following questions: a. A computer has 12megabytes of memory... Problem 1.34E: Referring only to Table 1.2, answer the following questions: a. Devices are available that allow... Problem 1.35E: One inch is approximately equal to 2.54cm. Express this length in millimeters and meters. Problem 1.36E: Cookbooks are going metric. In such books, 1 cup is equal to 240mL. Express 1 cup in terms of liters... Problem 1.37E: Two cities in Germany are located 25km apart. What is the distance in miles? Problem 1.38E: The shotput used by female track and field athletes has a mass of 4.0kg. What would be the weight of... Problem 1.39E: Referring to Table 1.3, answer the following questions: a. Which is longer, a centimeter or an inch?... Problem 1.40E Problem 1.41E Problem 1.42E: Using appropriate values from Table 1.3, answer the following questions: a. One kilogram of water... Problem 1.43E Problem 1.44E Problem 1.45E Problem 1.46E: Which of the following numbers are written using scientific notation correctly? For those that are... Problem 1.47E: Which of the following numbers are written using scientific notation correctly? For those that are... Problem 1.48E: Write each of the following numbers using scientific notation: a. 14 thousand b. 365 c. 0.00204 d.... Problem 1.49E: Write each of the following numbers using scientific notation: a.three hundred b.4003 c.0.682... Problem 1.50E Problem 1.51E: A sheet of paper is 0.0106cm, or 0.0042in., thick. Write both numbers using scientific notation. Problem 1.52E Problem 1.53E Problem 1.54E: Do the following multiplications, and express each answer using scientific notation:... Problem 1.55E Problem 1.56E Problem 1.57E: Express each of the following numbers using scientific notation, then carry out the multiplication.... Problem 1.58E Problem 1.59E Problem 1.60E Problem 1.61E Problem 1.62E: Indicate to what decimal position readings should be estimated and recorded nearest 0.1,0.01,etc.... Problem 1.63E: Indicate to what decimal position readings should be estimated and recorded nearest 0.1,0.01,etc.... Problem 1.64E: Write the following measured quantities as you would record them using the correct number of... Problem 1.65E Problem 1.66E Problem 1.67E Problem 1.68E: Determine the number of significant figures in each of the following: a. 0.0400 b. 309 c. 4.006 d.... Problem 1.69E Problem 1.70E: Do the following calculations and use the correct number of significant figures in your answers.... Problem 1.71E Problem 1.72E: Do the following calculations and use the correct number of significant figures in your answers.... Problem 1.73E Problem 1.74E: Do the following calculations and use the correct number of significant figures in your answers.... Problem 1.75E: Do the following calculations and use the correct number of significant figures in your answers.... Problem 1.76E Problem 1.77E: Determine a single factor derived from Table 1.3 that could be used as a multiplier to make each of... Problem 1.78E Problem 1.79E Problem 1.80E Problem 1.81E Problem 1.82E: A metric cookbook calls for 250mL of milk. Your measuring cup is in English units. About how many... Problem 1.83E Problem 1.84E: You have a 40-lb baggage limit for a transatlantic flight. When your baggage is put on the scale,... Problem 1.85E: You need 3.00lb of meat that sells for 3.41/lb i.e., 1lb=$3.41. Use this price to determine a factor... Problem 1.86E: During a glucose tolerance test, the serum glucose concentration of a patient was found to be... Problem 1.87E Problem 1.88E Problem 1.89E Problem 1.90E Problem 1.91E Problem 1.92E: Immunoglobulin antibodies occur in five forms. A sample of serum is analyzed with the following... Problem 1.93E: Calculate the density of the following materials for which the mass and volume of samples have been... Problem 1.94E: Calculate the density of the following materials for which the mass and volume of samples have been... Problem 1.95E: Calculate the volume and density of a rectangular block of metal with edges of 5.50cm, 12.0cm, and... Problem 1.96E: Calculate the volume and density of a cube of lead metal (Pb) that has a mass of 718.3g and has... Problem 1.97E: The volume of an irregularly shaped solid can be determined by immersing the solid in a liquid and... Problem 1.98E: The density of ether is 0.736g/mL. What is the volume in mL of 280.g of ether? Problem 1.99E: Calculate the mass in grams of 100.0mL of chloroform (d=1.49g/mL). Problem 1.100E: Do the following metric system conversions by changing only the power of 10. For example, convert... Problem 1.101E: A single water molecule has a mass of 2.991023g. Each molecule contains two hydrogen atoms that... Problem 1.102E Problem 1.103E: Cooking oil has a density of 0.812g/mL. What is the mass in grams of 1.00quart of cooking oil? Use... Problem 1.104E Problem 1.105E: At 4.0C, pure water has a density of 1.00g/mL. At 60.0C, the density is 0.98g/mL. Calculate the... Problem 1.106E: The following pairs of substances represent heterogeneous mixtures. For each pair, describe the... Problem 1.107E: Explain why a bathroom mirror becomes foggy when someone takes a hot shower. Classify any changes... Problem 1.108E Problem 1.109E: Liquid mercury metal freezes to a solid at a temperature of 38.9C. Suppose you want to measure a... Problem 1.110E Problem 1.111E: Show how the factor-unit method can be used to prepare an oatmeal breakfast for 27 guests at a... Problem 1.112E Problem 1.113E: Refer to Chemistry Around Us 1.2 and explain what is meant by the following statement: All matter... Problem 1.114E Problem 1.115E: Which of the following properties is considered a physical property? a.flammability b.boiling point... Problem 1.116E: Which of the following properties depicts a chemical process? a.Helium is combined with neon b.Iron... Problem 1.117E: Which of the following is a mixture? a.sodium chloride b.rice and beans c.magnesium sulfate d.water Problem 1.118E Problem 1.119E Problem 1.120E: The correct formula for converting Fahrenheit to Celsius is given by: C=59(F32). Convert 72F into... Problem 1.121E Problem 1.122E Problem 1.123E Problem 1.124E: How many millimeters are there in one centimeter? a.10,000 b.1000 c.100 d.10 Problem 1.125E: Convert 4.50102nm into pm. a.4.50102pm b.4.50102pm c.4.501011pm d.4.50105pm Problem 1.126E Problem 1.127E: Convert 4.50102nm into m. a.4.50102m b.4.501011m c.4.50107m d.4.50108m Problem 1.128E: The quantity 6185meters can be rewritten as: a. 6.185103meters. b. 6185kilometers. c. 6185103meters.... Problem 1.129E: The number 1,000,000 is what power of 10? a. 106 b. 106 c. 16 d. 0.000001 Problem 1.130E: What exponent or power of ten would you use to express how many meters are in a kilometer? a. 105 b.... Problem 1.131E: Express 0.0562 in exponential notation. a. 0.0562103 b. 56103 c. 562104 d. 5.62102 Problem 1.132E: Write the correct answer correct number of significant figures for the following calculation:... Problem 1.133E Problem 1.134E: The percentage of oxygen by weight in Al2(SO4)3 atomic weights: Al=27, S=32, O=16 is approximately:... Problem 1.135E Problem 1.136E: The density of gold (Au) is 19.3g/cm3 and that of iron (Fe) is 7.9g/cm3. A comparison of the volumes... format_list_bulleted
