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: Classify each of the following as element, compound, or mixture. (a) air (b) iron (c) soy sauce (d)... Problem 2QAP: Classify each of the following as element, compound, or mixture. (a) gold (b) milk (c) sugar (d)... Problem 3QAP: Classify the following as solution or heterogeneous mixture. (a) normal urine (b) gasoline (c)... Problem 4QAP: Classify the following as solution or heterogeneous mixture. (a) iron ore (b) chicken noodle soup... Problem 5QAP Problem 6QAP Problem 7QAP: Write the symbol for the following elements. (a) titanium (b) phosphorus (c) potassium (d) magnesium Problem 8QAP Problem 9QAP: Write the name of the element represented by the following symbols. (a) Hg (b) Si(c) Na(d) I Problem 10QAP: Write the name of the element represented by the following symbols: (a) Mn (b) Au (c) Pb (d) Ag Problem 11QAP: What instrument would you use to determine (a) the mass of a head of lettuce? (b) whether your... Problem 12QAP: What instrument would you use to (a) measure the length of your bed? (b) measure the amount of acid... Problem 13QAP: A glass of lukewarm milk is suggested for people who cannot sleep. Milk at 52C can be characterized... Problem 14QAP: A recipe for apple pie calls for a preheated 350F (three significant figures) oven. Express this... Problem 15QAP: Gallium is one of the few metals that can melt at room temperature. Its melting point is 29.76C. If... Problem 16QAP: Computers are not supposed to be in very warm rooms. The highest temperature tolerated for maximum... Problem 17QAP: How many significant figures are in each of the following? (a) 0.890 cm (b) 210C (c) 2.189106 nm (d)... Problem 18QAP: How many significant figures are there in each of the following? (a) 0.136 m (b) 0.0001050 g (c)... Problem 19QAP: Round off the following quantities to the indicated number of significant figures. (a) 7.4855 g... Problem 20QAP: Round off the following quantities to the indicated number of significant figures. (a) 17.2509 cm (4... Problem 21QAP Problem 22QAP Problem 23QAP: Which of the following statements use only exact numbers? (a) The little boy weighs 74.3 lbs. (b)... Problem 24QAP: Which of the following statements use only exact numbers? (a) The temperature in our dorm room is... Problem 25QAP: A basketball game at the University of Connecticut's Gampel Pavilion attracted 10,000 people. The... Problem 26QAP: A listing of a house for sale states that there are 5bedrooms, 4000 ft2 of living area, and a living... Problem 27QAP: Calculate the following to the correct number of significant figures. Assume that all these numbers... Problem 28QAP: Perform the indicated calculations. Write your answers with the correct number of significant... Problem 29QAP Problem 30QAP: The volume of a square pyramid is (1/3)Bh where B is the area of the square base and h is the... Problem 31QAP: Write the appropriate symbol in the blank (,,or=). (a) 303 m 303103km (b) 500 g 0.500 kg (c) 1.50... Problem 32QAP: Write the appropriate symbol in the blank (,,or=). (a) 37.12 g 0.3712 km (b) 28 m3 28102 cm2 (c) 525... Problem 33QAP: Convert 22.3 mL to (a) liters (b) in3 (c) quarts Problem 34QAP: Convert 0.2156 L to (a) mL (b) in3 (c) quarts Problem 35QAP: The height of a horse is usually measured in hands. One hand is exactly 1/3 ft. (a) How tall (in... Problem 36QAP: At sea, distances are measured in nautical miles and speeds are expressed in knots. 1 nautical mile... Problem 37QAP: The unit of land measure in the English system is the acre, while that in the metric system is the... Problem 38QAP: A gasoline station in Manila, Philippines, charges 38.46 pesos per liter of unleaded gasoline at a... Problem 39QAP: A lap in most tracks in the United States is 0.25 mi (English lap). In most countries that use the... Problem 40QAP: Cholesterol in blood is measured in milligrams of cholesterol per deciliter of blood. If the unit of... Problem 41QAP Problem 42QAP: The area of the 48 contiguous states is 3.02106 mi2. Assume that these states are completely flat... Problem 43QAP Problem 44QAP: In the old pharmaceutical system of measurements, masses were expressed in grains. There are... Problem 45QAP: The cup is a measure of volume widely used in cook-books. One cup is equivalent to 225 mL. What is... Problem 46QAP: The egg whites from four large eggs occupy a volume of 112 mL. The mass of the egg whites from these... Problem 47QAP: A metal slug weighing 25.17 g is added to a flask with a volume of 59.7 mL. It is found that 43.7 g... Problem 48QAP: A solid with an irregular shape and a mass of 11.3 g is added to a graduated cylinder filled with... Problem 49QAP: A waterbed filled with water has the dimensions 8.0ft7.0ft0.75ft. Taking the density of water to be... Problem 50QAP: Wire is often sold in pound spools according to the wire gauge number. That number refers to the... Problem 51QAP: Air is 21% oxygen by volume. Oxygen has a density of 1.31 g/L. What is the volume, in liters, of a... Problem 52QAP: The unit for density found in many density tables is kg/m3. At a certain temperature, the gasoline... Problem 53QAP: Magnesium sulfate (MgSO4) has a solubility of 38.9 g/ 100 g H2O at 30C. A solution is prepared by... Problem 54QAP: Potassium sulfate has a solubility of 15 g/ 100 g water at 40C. A solution is prepared by adding... Problem 55QAP: Sodium bicarbonate (baking soda) is commonly use to absorb odor. Its solubility is 9.6 g/100 g H2O... Problem 56QAP: Magnesium chloride is an important coagulant used in the preparation of tofu from soy milk. Its... Problem 57QAP: The solubility of lead nitrate at 100C is 140.0 g/100 g water. A solution at 100C consists of 57.0 g... Problem 58QAP: Radiation exposure to human beings is usually given in rems (radiation equivalent for man). In SI... Problem 59QAP: The following data refer to the element phosphorus. Classify each as a physical or a chemical... Problem 60QAP: A supersaturated sugar solution (650.0 g sugar in 150.0 g water) is prepared to make rock candy. The... Problem 61QAP: The density of wind-packed snow is estimated to be 0.35 g/cm3. A flat roof that is 35 by 43 feet has... Problem 62QAP: The dimensions of aluminum foil in a box for sale in supermarkets are 66 23 yards by 12 inches. The... Problem 63QAP: The Kohinoor Diamond (d=3.51g/cm3) is 108 carats. If one carat has a mass of 2.00102 mg, what is the... Problem 64QAP: A pycnometer is a device used to measure density. It weighs 20.455 g empty and 31.486 g when filled... Problem 65QAP Problem 66QAP: Label each of the properties of iodine as intensive (I) or extensive (E). (a) Its density is 4.93... Problem 67QAP: How do you distinguish (a) chemical properties from physical properties? (b) distillation from... Problem 68QAP: What is the difference between (a) mass and density? (b) an extensive and an intensive property? (c)... Problem 69QAP: Mercury, ethyl alcohol, and lead are poured into a cylinder. Three distinct layers are formed. The... Problem 70QAP: How many significant figures are there in the length of this line? Problem 71QAP: Consider the following solubility graph. (a) At point A, how many grams of the compound are... Problem 72QAP: Given the following solubility curves, answer the following questions: (a) In which of the two... Problem 73QAP: A Different civilization on a distant planet has developed a new temperature scale based on ethyl... Problem 74QAP: At what point is the temperature in F exactly twice that in C? Problem 75QAP Problem 76QAP: A laboratory experiment requires 12.0 g of aluminum wire (d=2.70g/cm3). The diameter of the wire is... Problem 77QAP: An average adult breathes about 8.50103 L of air per day. The concentration of lead in highly... Problem 78QAP: A student determines the density of a metal by taking two cylinders of equal mass and volume.... format_list_bulleted