1 Chemistry Basics: Matter And Measurement 2 Atoms And Radioactivity 3 Compounds: How Elements Combine 4 Introduction To Organic Compounds 5 Chemical Reactions 6 Carbohydrates: Life’s Sweet Molecules 7 What’s The Attraction? Gas Laws, State Changes, Solubility, And Lipids 8 Solution Chemistry: How Sweet Is Your Coffee? 9 Acids, Bases, And Buffers In The Body 10 Proteins: Workers Of The Cell 11 Nucleic Acids: Big Molecules With A Big Role 12 Food As Fuel: A Metabolic Overview expand_more
Chapter Questions expand_more
Problem 1.1PP: Classify each of the following mixtures as homogeneous or heterogeneous. Briefly justify your... Problem 1.2PP: Classify each of the following mixtures as homogeneous or heterogeneous. Briefly justify your... Problem 1.3PP: Classify each of the following substances as a pure substance or a mixture: a. copper b. ice cream... Problem 1.4PP: Classify each of file following substances as a pure substance or a mixture: a. saltwater b. tap... Problem 1.5PP: Classify each of die following as an element or compound and explain your classification: a.... Problem 1.6PP: Classify each of the following as an element or a compound: a. Fe b. CaCl2 c. Si d. KI Problem 1.7PP: Use the periodic table to supply the missing information in the following chart: Name Elemental... Problem 1.8PP: Use the periodic table to supply the missing information in the following chart: Name Elemental... Problem 1.9PP: Identify and give the number of each element in the following compounds: a. NaNO2, sodium nitrite, a... Problem 1.10PP: Identify and give the number of each element in the following compounds: a. Na2SO4, sodium sulfate,... Problem 1.11PP: Give the number of significant figures in each of the following measurements: a. 25 minutes b. 44.30... Problem 1.12PP: Give die number of significant figures in each of the following measurements: a. 0.000068 g b. 100 F... Problem 1.13PP: Complete each of the following calculations and give your answer to the correct number of... Problem 1.14PP: Complete each of the following calculations and give your answer to the correct number of... Problem 1.15PP: A typical aspirin tablet contains 325 mg of the active ingredient acetylsalicylic acid. Convert to... Problem 1.16PP: On average, an adults lung volume is 5 L. Convert to mL. Problem 1.17PP Problem 1.18PP: Write scientific notation for the following numbers: a. 1,400,000 b. 0.079 c. 0.00000354 Problem 1.19PP: Express the following numbers in a decimal form: a. 1.56 105 b. 2.8 105 c. 9.0 102 Problem 1.20PP: Express the following numbers in a decimal form: a. 7.4 102 b. 3.75 103 c. 1.19 108 Problem 1.21PP: Express the following numbers as a percent. Report two significant figures in your answer. a. 1/4 b.... Problem 1.22PP: Express the following numbers as a percent. Report two significant figures in your answer. a. 0.58... Problem 1.23PP: Express the following numbers m decimal form: a. 4.5% b. 13.0% c. 66% d. 78% Problem 1.24PP: Express the following numbers as a fraction: a. 20% b. 75% c. 40% d. 12% Problem 1.25PP Problem 1.26PP: Determine the percent from two numbers given here a. Fifty is what percent of 125? b. Six is what... Problem 1.27PP: Based on your experience, is each of the following more or less dense than liquid water? a.... Problem 1.28PP: Based on your experience, is each of the following more or less dense than liquid water? a. paper... Problem 1.29PP: Calculate the grams of sugar present in a 355 mL can of soda if the water in the can weighs 355 g... Problem 1.30PP: Calculate the density in g/mL of 2.0 L of gasoline that weighs 1.32 kg. Problem 1.31PP Problem 1.32PP: A liquid has a mass of 54.5 g and a volume of 50.0 mL. Calculate its specific gravity. Problem 1.33PP: A family visiting Europe goes to the hospital because their child is sick. The child has a... Problem 1.34PP: Fetal cord blood is stored at 112 F. Calculate this temperature in Kelvin. Problem 1.35PP Problem 1.36PP Problem 1.37PP: A defibrillator delivers about 360 joules per shock. Calculate the number of calories. Problem 1.38PP Problem 1.39PP: Two warehouses have space available for storage. One is made of brick, the other of pine, which is a... Problem 1.40PP Problem 1.41PP: Indicate if each of the following describes a solid, liquid, or gas: a. This state of matter has no... Problem 1.42PP: Indicate if each of the following describes a solid, liquid, or gas: a. This state of matter has a... Problem 1.43PP Problem 1.44PP: Consider the following measurements determined for a known volume of 10.0 mL: Volumes Measured with... Problem 1.45PP: A low dose of aspirin is often recommended for patients who are at risk for coronary artery disease.... Problem 1.46PP: A mother is to give her child 10 ccs of medicine every 6 hours. Unfortunately, she lost the syringe... Problem 1.47PP: Give Drug X 5 mg/kg per day in two divided doses. The patient weight 44 lb. How many mg should be... Problem 1.48PP: A 38-lb child is prescribed acyclovir for chicken pox in an amount of 80 mg/kg body weight per day... Problem 1.49PP: A patient gets 2.0 L of fluid over 18 hours through an IV. The drop factor is 20 gtt/mL. Calculate... Problem 1.50PP: How long would it take in hours to administer exactly 500 mL of fluid through an IV with a drop... Problem 1.51PP: A tablet of Benadryl (R), an antihistamine, has a mass of 0.50 g. It contains 25 mg of the active... Problem 1.52PP: A medium-sized carrot weighs 61 g and contains 6 g of carbohydrate. What percent of the carrot is... Problem 1.53PP: Determine whether each of the following is a physical change or a chemical reaction: a. A copper... Problem 1.54PP Problem 1.55PP Problem 1.56PP Problem 1.57PP: Add coefficients to balance the chemical equations a. Al(s) + Cl2(g) AlCl3(s) b. HCl(aq) + Zn(s) ... Problem 1.58PP: Add coefficients to balance the chemical equations shown. a. NO2(g) + H2O(l) HNO3(aq) + NO(g) b.... Problem 1.59AP: Classify each of the following as a mixture or a pure substance: a. ink in pen b. wood c. blood d.... Problem 1.60AP: For each of the substances that you classified as a mixture in Problem 1.59, determine whether it is... Problem 1.61AP Problem 1.62AP Problem 1.63AP: For each of the substances that you classified as a mixture in Problem 1.62, determine whether it is... Problem 1.64AP Problem 1.65AP: Use the periodic table to supply the missing information in the following chart: Name Elemental... Problem 1.66AP: Use the periodic table to supply the missing information in the following chart: Name Elemental... Problem 1.67AP Problem 1.68AP Problem 1.69AP Problem 1.70AP Problem 1.71AP: Supply the missing information in each of the following conversion factors: a. ?mL1.0L b. ?kg1000g... Problem 1.72AP: Supply the mating information in each of the following conversion factors: a. ?g1000mg b. 10dg?g c.... Problem 1.73AP Problem 1.74AP Problem 1.75AP Problem 1.76AP: If a drop of blood is 0.05 mL, how many drops of blood are in a blood collection tube that holds 2... Problem 1.77AP: If a prescription calls for 1.0 g of acetylsalicylic acid, the active ingredient in aspirin, per... Problem 1.78AP Problem 1.79AP Problem 1.80AP: Round the following numbers to two significant figures: a. 0.33333 b. 300,000 c. 155,555 d. 0.02105 Problem 1.81AP: Consider the following data set for three bags of jelly beans: Bag Number Number of Black Jelly... Problem 1.82AP: It is flu season. Professor F has a class with 50 students enrolled, and on Monday, 12 students are... Problem 1.83AP Problem 1.84AP: An adult human femur weighs about 225 g and has a volume of 118 cm3. Calculate the density of this... Problem 1.85AP: The specific gravity of olive oil is 0.703. How many grams of olive oil will fit into a container... Problem 1.86AP Problem 1.87AP: To keep a room comfortable, the air is heated or cooled to remain at approximately 75 F. This is... Problem 1.88AP: On the Kelvin scale, the lower limit of the temperature scale is zero. Zero Kelvin is known as... Problem 1.89AP Problem 1.90AP Problem 1.91AP: A cup of yogurt contains 130 Calories. Calculate the number of joules present. Problem 1.92AP Problem 1.93AP Problem 1.94AP Problem 1.95AP Problem 1.96AP Problem 1.97AP Problem 1.98AP Problem 1.99AP: A student is weighing a standard 5.00 g weight four times on two different balances to check them... Problem 1.100AP Problem 1.101AP: A mother calls you to ask about a proper dosage of cough medicine for her 2-year-old. The bottle... Problem 1.102AP: A prescription for amoxicillin comes in an oral suspension that is 250 mg/5.0 mL. A patient is... Problem 1.103AP: A patient needs exactly 1000 mL of a fluid over a 6-hour period. The drop factor is 15 gtt/mL. What... Problem 1.104AP Problem 1.105AP: How does the arrangement of particles in a liquid differ from that of a solid? Problem 1.106AP Problem 1.107AP: Identify each of the following as a physical change or a chemical reaction: a. bleaching your hair... Problem 1.108AP Problem 1.109AP: Add coefficients to balance the chemical equations shown. a. LiOH(s) + CO2(g) LiHCO3(s) b. HCl(aq)... Problem 1.110AP Problem 1.111AP: If red spheres represent oxygen atoms and blue spheres represent nitrogen atoms: Write a balanced... Problem 1.112AP Problem 1.113CP: To donate blood, your blood must have a density greater than 1.053 g/mL, indicating that adequate... Problem 1.114CP Problem 1.115CP: A physician orders a Heparin drip at 8.0 units per kg body weight per hour via an IV pump. The... Problem 1.116CP: The following equation shows the reaction of magnesium metal and chlorine to form magnesium... Problem 1.117CP: Table sugar (C12H22O12) is completely dissolved in water to make sugar water. a. Is water an element... Problem 1.118CP: We know high density lipoprotein (HDL) and low density lipoprotein (LDL) as good and bad... Problem 1IA.1Q Problem 1IA.2Q: Can an element be a pure substance? Can a compound be a pure substance? Problem 1IA.3Q: Using the information given, how might you define a pure substance? How does a pure substance differ... Problem 1IA.4Q Problem 1IA.5Q Problem 1IA.6Q: Describe the difference between a homogeneous and heterogeneous mixture. Problem 1IA.7Q: Would you classify the following matter as element, compound, or mixture? If you classify it as a... Problem 1IA.8Q: What do you think the labels (s), (l), (g), and (aq) on the formulas in the figure mean? Problem 2IA.1Q Problem 2IA.2Q Problem 2IA.3Q: Provide names for the following elements and identify them as metals or nonmetals: a. Cu b. Na c. Cl... Problem 2IA.4Q Problem 2IA.5Q Problem 2IA.6Q: Are most of the elements on the periodic table metals or nonmetals? The Earths biomass is made up... Problem 1IC Problem 2IC Problem 3IC: Find out how to read and interpret the results of a patients blood work. format_list_bulleted