1 Basic Concepts About Matter 2 Measurements In Chemistry 3 Atomic Structures And The Periodic Table 4 Chemical Bonding: The Ionic Bond Model 5 Chemical Bonding: The Covalent Bond Model 6 Chemical Calculations: Formula Masses, Moles, And Chemical Equations 7 Gases, Liquids, And Solids 8 Solutions 9 Chemical Reactions 10 Acids, Bases, And Salts 11 Nuclear Chemistry 12 Saturated Hydrocarbons 13 Unsaturated Hydrocarbons 14 Alcohols, Phenols And Ethers 15 Aldehydes And Ketones 16 Carboxylic Acids, Esters, And Other Acid Derivatives 17 Amines And Amides 18 Carbohydrates 19 Lipids 20 Proteins 21 Enzymes And Vitamins 22 Nucleic Acids 23 Biochemical Energy Production 24 Carbohydrate Metabolism 25 Lipid Metabolism 26 Protein Metabolism expand_more
2.1 Measurement Systems 2.2 Metric System Units 2.3 Exact And Inexact Numbers 2.4 Uncertainty In Measurement And Significant Figures 2.5 Significant Figures And Mathematical Operations 2.6 Scientific Notation 2.7 Conversion Factors 2.8 Dimensional Analysis 2.9 Density 2.10 Temperature Scales Chapter Questions expand_more
Problem 2.1EP: What is the main reason scientists prefer to use the metric system of measurement rather than the... Problem 2.2EP: List the more common types of measurements made in chemical laboratories. Problem 2.3EP: Complete the following table by filling in the blanks in each row with the name of the metric system... Problem 2.4EP: Complete the following table by filling in the blanks in each row with the name of the metric system... Problem 2.5EP: Complete the following table by filling in the blanks in each row with the name of the metric unit,... Problem 2.6EP: Complete the following table by filling in the blanks in each row with the name of the metric unit,... Problem 2.7EP: Arrange each of the following from smallest to largest. a. Milligram, centigram, nanogram b.... Problem 2.8EP: Arrange each of the following from smallest to largest. a. Milliliter, gigaliter, microliter b.... Problem 2.9EP: Which of the two given units is the more logical unit for expressing each of the following... Problem 2.10EP: Which of the two given units is the more logical unit for expressing each of the following... Problem 2.11EP: A person is told that there are 60 minutes in an hour and also that a section of fence is 60 feet... Problem 2.12EP Problem 2.13EP: Indicate whether the number in each of the following statements is anexactor aninexactnumber. a. A... Problem 2.14EP: Indicate whether the number in each of the following statements is anexactor aninexactnumber. a. A... Problem 2.15EP: Indicate whether each of the following quantities would involve anexactnumber or aninexactnumber. a.... Problem 2.16EP: Indicate whether each of the following quantities would involve anexactnumber or aninexact number.... Problem 2.17EP: Identify the estimated digit in each of the following measurements? a. 234 b. 234.0 c. 0.234 d.... Problem 2.18EP: Identify the estimated digit in each of the following measurements? a. 317 b. 317.0 c. 3.170 d.... Problem 2.19EP Problem 2.20EP Problem 2.21EP: Indicate to what decimal position readings should be recorded (nearest 0.1, 0.01, etc.) for... Problem 2.22EP: Indicate to what decimal position readings should be recorded (nearest 0.1, 0.01, etc.) for... Problem 2.23EP: Consider the following rulers as instruments for the measurement of length. What would the... Problem 2.24EP: Consider the following rulers as instruments for the measurement of length. Using the rulers given... Problem 2.25EP: Using the rulers given in Problem 2-23, what is the length of the paper clip shown by the side of... Problem 2.26EP: Using the rulers given in Problem 2-23, what is the length of the paper clip shown by the side of... Problem 2.27EP: With which of the rulers in Problem 2-23 was each of the following measurements made, assuming that... Problem 2.28EP: With which of the rulers in Problem 2-23 was each of the following measurements made, assuming that... Problem 2.29EP: Determine the number of significant figures in each of the following measured values. a. 0.444 b.... Problem 2.30EP: Determine the number of significant figures in each of the following measured values. a. 0.372 b.... Problem 2.31EP: Determine the number of significant figures in each of the following measured values. a. 275.00 b.... Problem 2.32EP: Determine the number of significant figures in each of the following measured values. a. 303.00 b.... Problem 2.33EP: In which of the following pairs of numbers do both members of the pair contain the same number of... Problem 2.34EP: In which of the following pairs of numbers do both members of the pair contain the same number of... Problem 2.35EP Problem 2.36EP: In the pairs of numbers of Problem 2-34, tell whether both members of the pair have the same... Problem 2.37EP Problem 2.38EP: Complete the following table by filling in the blanks in each row with numerical values that are... Problem 2.39EP Problem 2.40EP: The number of people present at an outdoor rock concert was estimated by police to be 40,000. What... Problem 2.41EP: Round off each of the following numbers to the number of significant figures indicated in... Problem 2.42EP: Round off each of the following numbers to the number of significant figures indicated in... Problem 2.43EP Problem 2.44EP: Round off (or add zeros) to each of the following measured values to give a value that contains... Problem 2.45EP: Complete the following table by filling in the blanks in each row with numerical values obtained by... Problem 2.46EP: Complete the following table by filling in the blanks in each row with numerical values obtained by... Problem 2.47EP: Without actually solving, indicate the number of significant figures that should be present in the... Problem 2.48EP: Without actually solving, indicate the number of significant figures that should be present in the... Problem 2.49EP Problem 2.50EP: Carry out the following multiplications and divisions, expressing your answer to the correct number... Problem 2.51EP: Carry out the following additions and subtractions, expressing your answer to the correct number of... Problem 2.52EP: Carry out the following additions and subtractions, expressing your answer to the correct number of... Problem 2.53EP: What is the uncertainty in the measured value 12.37050 after it is rounded to the following number... Problem 2.54EP: What is the uncertainty in the measured value 87.20030 after it is rounded to the following number... Problem 2.55EP: For each of the following numbers, will the exponent be positive, negative, or zero when the number... Problem 2.56EP: For each of the following numbers, will the exponent be positive, negative, or zero when the number... Problem 2.57EP Problem 2.58EP Problem 2.59EP Problem 2.60EP: For each of the numbers in Problem 2-56, how many significant figures should be present in the... Problem 2.61EP: Express the following measured values in scientific notation to the correct number of significant... Problem 2.62EP: Express the following measured values in scientific notation to the correct number of significant... Problem 2.63EP: Change each of the following measured values from scientific notation to decimal notation. a. 2.34 ... Problem 2.64EP: Change each of the following measured values from scientific notation to decimal notation. a. 3.721 ... Problem 2.65EP Problem 2.66EP Problem 2.67EP: What is the uncertainty, in terms of a power of 10, associated with each of the following measured... Problem 2.68EP: What is the uncertainty, in terms of a power of 10, associated with each of the following measured... Problem 2.69EP: Write each of the following numbers in scientific notation to the number of significant figures... Problem 2.70EP: Write each of the following numbers in scientific notation to the number of significant figures... Problem 2.71EP: Give the two forms of the conversion factor that relate each of the following pairs of units. a.... Problem 2.72EP: Give the two forms of the conversion factor that relate each of the following pairs of units. a.... Problem 2.73EP: Give the two forms of the conversion factor that relate each of the following pairs of units. a. kL... Problem 2.74EP: Give the two forms of the conversion factor that relate each of the following pairs of units. a. ng... Problem 2.75EP Problem 2.76EP: Indicate whether each of the following equations relating units would generate an exact set of... Problem 2.77EP: Using dimensional analysis, convert each of the following measurements to meters. a. 1.6 103 dm b.... Problem 2.78EP: Using dimensional analysis, convert each of the following measurements to meters. a. 2.7 103 mm b.... Problem 2.79EP: The human stomach produces approximately 2500 mL of gastric juice per day. What is the volume, in... Problem 2.80EP: A typical loss of water through sweating for a human is 450 mL per day. What is the volume, in... Problem 2.81EP: The mass of premature babies is customarily determined in grams. If a premature baby weighs 1550 g,... Problem 2.82EP: The smallest bone in the human body, which is in the ear, has a mass of 0.0030 g. What is the mass... Problem 2.83EP: What volume of water, in gallons, would be required to fill a 25-mL container? Problem 2.84EP: What volume of gasoline, in milliliters, would be required to fill a 17.0-gal gasoline tank? Problem 2.85EP: An individual weighs 83.2 kg and is 1.92 m tall. What are the persons equivalent measurements in... Problem 2.86EP: An individual weighs 135 lb and is 5 ft 4 in. tall. What are the persons equivalent measurements in... Problem 2.87EP Problem 2.88EP Problem 2.89EP Problem 2.90EP: When each of the following measurements of mass is converted to grams, using a conversion factor... Problem 2.91EP: A sample of mercury is found to have a mass of 524.5 g and to have a volume of 38.72 cm3. What is... Problem 2.92EP: A sample of sand is found to have a mass of 12.0 g and to have a volume of 2.69 cm3. What is its... Problem 2.93EP: Acetone, the solvent in nail polish remover, has a density of 0.791 g/mL. What is the volume, in... Problem 2.94EP: Silver metal has a density of 10.40 g/cm3. What is the volume, in cubic centimeters, of a 100.0-g... Problem 2.95EP: The density of homogenized milk is 1.03 g/mL. How much does 1 cup (236 mL) of homogenized milk weigh... Problem 2.96EP: Nickel metal has a density of 8.90 g/cm3. How much does 15 cm3 of nickel metal weigh in grams? Problem 2.97EP: Water has a density of 1.0 g/cm3 at room temperature. State whether each of the following will sink... Problem 2.98EP: Air has a density of 1.29 g/L at room temperature. State whether each of the following will rise or... Problem 2.99EP Problem 2.100EP: A two-gram sample of a red-colored liquid is found to have a volume of four cubic centimeters.... Problem 2.101EP: Calculate the volume, in milliliters, for each of the following 75.0-g masses of substances. a. 75.0... Problem 2.102EP: Calculate the volume, in milliliters, for each of the following 66.0-g masses of substances. a. 66.0... Problem 2.103EP: An oven for baking pizza operates at approximately 525F. What is this temperature in degrees... Problem 2.104EP: A comfortable temperature for bathtub water is 95F. What temperature is this in degrees Celsius? Problem 2.105EP: Mercury freezes at 38.9C. What is the coldest temperature, in degrees Fahrenheit, that can be... Problem 2.106EP Problem 2.107EP Problem 2.108EP: Which is the higher temperature, 15C or 4F? format_list_bulleted
