General, Organic, & Biological Chemistry
3rd Edition
ISBN: 9780073511245
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
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Chapter 1.2, Problem 1.2P
Characterize each process as a physical change or a chemical change: (a) making ice cubes; (b) burning natural gas; (c) silver jewelry tarnishing; (d) a pile of snow melting; (e) fermenting grapes to produce wine.
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Chapter 1 Solutions
General, Organic, & Biological Chemistry
Ch. 1.1 - Prob. 1.1PCh. 1.2 - Characterize each process as a physical change or...Ch. 1.2 - Does the molecular art represent a chemical change...Ch. 1.3 - Classify each example of molecular art as a pure...Ch. 1.3 - Classify each item as a pure substance or a...Ch. 1.3 - Classify each item as an element or a compound:...Ch. 1.4 - What term is used for each of the following units:...Ch. 1.4 - If a nanometer is one-billionth of a meter...Ch. 1.4 - Prob. 1.9PCh. 1.4 - Using the prefixes in Table 1.2, determine which...
Ch. 1.5 - How many significant figures does each number...Ch. 1.5 - Indicate whether each zero in the following...Ch. 1.5 - Prob. 1.13PCh. 1.5 - Carry out each caluction and give the answer using...Ch. 1.5 - Carry out each calculation and give the answer...Ch. 1.6 - Lab results for a routine check-up showed an...Ch. 1.6 - Write each number in scientific notation. 93,200...Ch. 1.6 - Convert each number to its standard form. 6.5103...Ch. 1.7 - Write two conversion factors for each pair of...Ch. 1.7 - Prob. 1.20PCh. 1.7 - Carry out each of the following conversions. 25 L...Ch. 1.7 - What is the volume of liquid contained in the...Ch. 1.7 - Carry out each of the following conversions. 6,250...Ch. 1.8 - Prob. 1.24PCh. 1.8 - A patient is prescribed 0.100 mg of a drug that is...Ch. 1.8 - Prob. 1.26PCh. 1.9 - Prob. 1.27PCh. 1.9 - Prob. 1.28PCh. 1.10 - How does the mass of liquid A in cylinder [1]...Ch. 1.10 - Calculate the mass in grams of 10.0 mL of diethyl...Ch. 1.10 - If a 120-lb woman uses five 2.0lb lead weights in...Ch. 1.10 - If the density of a liquid is 0.80 g/mL, what is...Ch. 1 - Classify each example of molecular art as a pure...Ch. 1 - (a) Which representation(s) in Problem 1.19...Ch. 1 - Label each component in the molecular art as an...Ch. 1 - Label each component in the molecular art as an...Ch. 1 - Prob. 1.37PCh. 1 - Prob. 1.38PCh. 1 - Prob. 1.39PCh. 1 - Classify each process as a chemical or physical...Ch. 1 - Prob. 1.41PCh. 1 - Prob. 1.42PCh. 1 - What is the temperature on the given Fahrenheit...Ch. 1 - a. What is the length of the given crayon in...Ch. 1 - What is the difference between an exact number and...Ch. 1 - Label each quantity as an exact or inexact number....Ch. 1 - Which quantity in each pair is larger? 5 mL or 5...Ch. 1 - Which quantity in each pair is larger? 10 km or 10...Ch. 1 - How many significant figures does each number...Ch. 1 - Prob. 1.50PCh. 1 - Prob. 1.51PCh. 1 - Round each number ¡n Problem 1.51 to four...Ch. 1 - Prob. 1.53PCh. 1 - Prob. 1.54PCh. 1 - Prob. 1.55PCh. 1 - Prob. 1.56PCh. 1 - Prob. 1.57PCh. 1 - Prob. 1.58PCh. 1 - Prob. 1.59PCh. 1 - Rank the numbers in each group from smallest to...Ch. 1 - Prob. 1.61PCh. 1 - Prob. 1.62PCh. 1 - Prob. 1.63PCh. 1 - What is the volume of liquid contained in the...Ch. 1 - Prob. 1.65PCh. 1 - (a) If there are 15 mL in one tablespoon, how many...Ch. 1 - Prob. 1.67PCh. 1 - Prob. 1.68PCh. 1 - Carry out each of the following conversions.
a....Ch. 1 - Carry out each of the following conversions.
a....Ch. 1 - Prob. 1.71PCh. 1 - Prob. 1.72PCh. 1 - Prob. 1.73PCh. 1 - Prob. 1.74PCh. 1 - Which temperature in each pair is higher? a....Ch. 1 - Prob. 1.76PCh. 1 - Prob. 1.77PCh. 1 - Prob. 1.78PCh. 1 - Prob. 1.79PCh. 1 - Prob. 1.80PCh. 1 - Prob. 1.81PCh. 1 - If gasoline has a density of 0.66 g/mL, what is...Ch. 1 - Which is the upper layer when each of the...Ch. 1 - Prob. 1.84PCh. 1 - A lab test showed an individual’s chloesterol leve...Ch. 1 - Hemoglobin is a protein that transports oxygen...Ch. 1 - Prob. 1.87PCh. 1 - A soccer weighed 70.7 kg before a match, drank 1.8...Ch. 1 - Liposuction is a cosmetic procedure used to remove...Ch. 1 - A single 1-oz serving of tortilla chips contains...Ch. 1 - Prob. 1.91PCh. 1 - Prob. 1.92PCh. 1 - Prob. 1.93PCh. 1 - Prob. 1.94PCh. 1 - Prob. 1.95PCh. 1 - Prob. 1.96PCh. 1 - Often the specific amount of a drug to be...Ch. 1 - Prob. 1.98CPCh. 1 - Prob. 1.99CPCh. 1 - Prob. 1.100CPCh. 1 - Prob. 1.101CPCh. 1 - Prob. 1.102CPCh. 1 - Prob. 1.103CPCh. 1 - If the proper dosage of a medication is 10g/kg of...
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- You receive a mixture of table salt and sand and have to separate the mixture into pure substances. Explain how you would carry out this task. Is your method based on physical or chemical properties? Explain.arrow_forwardWhich of the following represent physical properties or changes, and which represent chemical properties or changes? You curl your hair with a curling iron. You curl your hair by getting a “permanent wave” at the hair salon. Ice on your sidewalk melts when you put salt on it. A glass of water evaporates overnight when it is left on the bedside table. Your steak chars if the skillet is too hot. Alcohol feels cool when it is spilled on the skin. Alcohol ignites when a flame is brought near it. Baking powder causes biscuits to rise.arrow_forwardHow do you distinguish (a) chemical properties from physical properties? (b) distillation from filtration? (c) a solute from a solution?arrow_forward
- Classify each of the following as (1) a physical property, (2) a physical change, (3) a chemical property, or (4) a chemical change. a. the process of burning a piece of newspaper b. the fact that metallic copper reacts with chlorine gas c. the process of melting ice d. the fact that metallic gold is a solid at room temperaturearrow_forwardSuppose someone emptied ball bearings into a container of salt. Could you separate the ball bearings from the salt? How? Would your method involve no change, be a physical change, or be a chemical change?arrow_forwardClassify each of the following properties as physical or chemical. Explain your reasoning in each case. a. Mercury metal is a liquid at room temperature. b. Sodium metal reacts vigorously with water. c. Water freezes at 0C. d. Gold does not rust. e. Chlorophyll molecules are green in color.arrow_forward
- 1f a piece of hard, white blackboard chalk is heated strongly in a flame, the mass of the piece of chalk will decrease, and eventually the chalk will crumble into a white dust. Does this change suggest that the chalk is composed of an element or a compound?arrow_forwardClassify each of the following as (1) a physical property, (2) a physical change, (3) a chemical property, or (4) a chemical change. a. the process of decomposing hydrogen peroxide b. the fact that a block of ice can be chipped into smaller pieces c. the process of evaporating a liquid d. the fact that water freezes at 32Farrow_forwardDecide whether each of the following is a physical property or a chemical property of the substance. a Salt substitute, potassium chloride, dissolves in water. b Seashells, calcium carbonate, fizz when immersed in vinegar. c The gas hydrogen sulfide smells like rotten eggs. d Fine steel wool (Fe) can be burned in air. e Pure water freezes at 0C.arrow_forward
- What properties distinguish solids from liquids? Liquids from gases? Solids from gases?arrow_forwardDistinguish precisely and in scientific terms the differences among items in the following groups. a Macroscopic matter, microscopic matter, particulate matter b Physical change, physical property, chemical change, chemical property c Gases, liquids, solids d Element, compound e Atom, molecule f Pure substance, mixture g Homogeneous matter, heterogeneous matter h Reactant, product i Exothermic change, endothermic change j Potential energy, Kinetic energyarrow_forwardThe following are properties of substances. Decide whether each is a physical property or a chemical property. a Chlorine gas liquefies at 35C under normal pressure. b Hydrogen burns in chlorine gas. c Bromine melts at 7.2C. d Lithium is a soft, silvery-colored metal. e Iron rusts in an atmosphere of moist air.arrow_forward
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