Introductory Chemistry: A Foundation
9th Edition
ISBN: 9781337399425
Author: Steven S. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Chapter 3, Problem 57AP
Give an example of each of the following:
- a heterogeneous mixture
- a homogeneous mixture
- an element
- a compound
- a physical property or change
- a chemical property or change
- a solution
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Classify substance as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous. ALUMINIUM
Chapter 3 Solutions
Introductory Chemistry: A Foundation
Ch. 3.2 - Exercise 3.1 Which of the following are physical...Ch. 3.2 - Prob. 3.2SCCh. 3.4 - Exercise 3.3 Classify each of the following as a...Ch. 3.5 - The scanning tunneling microscope allows us to...Ch. 3 - When water boils, you can see bubbles rising to...Ch. 3 - If you place a glass rod over a burning candle,...Ch. 3 - The boiling of water is a physical change because...Ch. 3 - Is there a difference between a homogeneous...Ch. 3 - Sketch a magnified view (showing atoms and/or...Ch. 3 - Are all physical changes accompanied by chemical...
Ch. 3 - Why would a chemist find fault with the phrase...Ch. 3 - Are separations of mixtures physical or chemical...Ch. 3 - Explain the termselement, afoul, and compound....Ch. 3 - Mixtures can be classified as either homogeneous...Ch. 3 - Prob. 11ALQCh. 3 - Look at Table 2.8 in your text. How do the...Ch. 3 - Label of the following as an atomic element, a...Ch. 3 - Match each description below with the following...Ch. 3 - Prob. 1QAPCh. 3 - What is the chief factor that determines...Ch. 3 - Of the three stales of matter, and are not very...Ch. 3 - has a definite volume hut takes the shape of its...Ch. 3 - Compare and contrast the ease with which molecules...Ch. 3 - Matter in the __________ state has no shape and...Ch. 3 - What similarities are there between the solid and...Ch. 3 - A sample of matter that is “rigid” has...Ch. 3 - Consider three 10-g samples of water: one as ice,...Ch. 3 - ¡n a sample of a gaseous substance, more than 99%...Ch. 3 - Elemental bromine is a dense, dark-red,...Ch. 3 - Is the process represented below a physical or...Ch. 3 - From the information given above, indicate...Ch. 3 - Prob. 14QAPCh. 3 - You want to cook some raw noodles to make a pasta...Ch. 3 - Which of the following is/are examples of a...Ch. 3 - Classify each of the following as a physical or...Ch. 3 - Classify each of the following as aphysical or...Ch. 3 - Prob. 19QAPCh. 3 - What is acompound? What are compounds composed of?...Ch. 3 - Certain elements have special affinities for other...Ch. 3 - _________ can he broken down into the component...Ch. 3 - The composition of a given pure compound is always...Ch. 3 - Which of the following are considered compounds...Ch. 3 - If iron filings are placed with excess powdered...Ch. 3 - If the combination of iron filings and sulfur in...Ch. 3 - Prob. 27QAPCh. 3 - Which of the following substances is(are)...Ch. 3 - Classify the following asmixturesorpure...Ch. 3 - Classify the following asmixturesorpure...Ch. 3 - Classify the following mixtures...Ch. 3 - Read the “Chemistry in Focus” segmentConcrete—An...Ch. 3 - Prob. 33QAPCh. 3 - Describe how the process offiltrationcould be used...Ch. 3 - In a common laboratory experiment in general...Ch. 3 - During a filtration or distillation experiment, we...Ch. 3 - Prob. 37APCh. 3 - Classify each of the following as a(n) element,...Ch. 3 - 1f a piece of hard, white blackboard chalk is...Ch. 3 - During a very cold winter, the temperature may...Ch. 3 - Prob. 41APCh. 3 - True or false? Salad dressing (such as oil and...Ch. 3 - Prob. 43APCh. 3 - Which of (he following are true? P4 is considered...Ch. 3 - (For Exercises 4546) Solutions containing...Ch. 3 - (For Exercises 4546) Solutions containing...Ch. 3 - The processes of melting and evaporation involve...Ch. 3 - A(n) always has the same composition.Ch. 3 - Classify each of the following as...Ch. 3 - Which of the following contains an element, a...Ch. 3 - Classify the following mixtures...Ch. 3 - Which of the following best describes the air...Ch. 3 - Give three examples each ofheterogeneousmixtures...Ch. 3 - True or false? Mixtures always result in a...Ch. 3 - Choose an element or compound with which you are...Ch. 3 - Prob. 56APCh. 3 - Give an example of each of the following: a...Ch. 3 - Prob. 58APCh. 3 - Sketch the apparatus commonly used for simple...Ch. 3 - Prob. 60APCh. 3 - Which of the following best describes the...Ch. 3 - Prob. 62CPCh. 3 - Which of the following describes a chemical...Ch. 3 - Prob. 64CPCh. 3 - Prob. 1CRCh. 3 - Prob. 2CRCh. 3 - You have learned the basic way in which scientists...Ch. 3 - Many college students would not choose to take a...Ch. 3 - Prob. 5CRCh. 3 - Prob. 6CRCh. 3 - Prob. 7CRCh. 3 - Prob. 8CRCh. 3 - Prob. 9CRCh. 3 - What ismatter? What is matter composed of? What...Ch. 3 - Prob. 11CRCh. 3 - Prob. 12CRCh. 3 - Prob. 13CRCh. 3 - Prob. 14CRCh. 3 - Prob. 15CRCh. 3 - Prob. 16CRCh. 3 - Prob. 17CRCh. 3 - a. Given that 1100. mL of ethyl alcohol weighs...Ch. 3 - Which of the following represent physical...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Decide 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_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_forwardClassify each of the following statements as true or false. a. All heterogeneous mixtures must contain three or more substances. b. Pure substances cannot have a variable composition. c. Substances maintain their identity in a heterogeneous mixture but not in a homogeneous mixture. d. Pure substances are seldom encountered in the everyday world.arrow_forward
- Classify each of these as an element, a compound, a heterogeneous mixture, or a homogeneous mixture. Explain your choice in each case. (a) Chunky peanut butter (b) Distilled water (c) Platinum (d) Airarrow_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 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_forwardClassify each of the following properties of the metal magnesium as a physical property or a chemical property. a. Solid at room temperature b. Ignites upon heating in air c. Hydrogen gas is produced when it is dissolved in acids d. Has a density of 1.738 g/cm3 at 20Carrow_forward
- Which of the following are compounds, and which are elements? aNa2S bBr2 cPotassium hydroxide dFluorine eCompound or element fCompound or elementarrow_forwardClassify each of the following as a heterogeneous mixture, homogeneous mixture, or a pure substance. Also indicate how many phases are present, assuming all components are present in the same container. a. Water and dissolved salt b. Water and sand c. Water, ice, and oil d. Water, dissolved sugar, and undissolved sugararrow_forwardClassify each of the following as a heterogeneous mixture, homogeneous mixture, or a pure substance. Also indicate how many phases are present, assuming all components are present in the same container. a. Water and dissolved sugar b. Water and oil c. Water, wax, and pieces of copper metal d. Water, dissolved salt, and dissolved sugararrow_forward
- The following pairs of substances represent heterogeneous mixtures. For each pair, describe the steps you would follow to separate the components and collect them. a. wood sawdust and sand b. sugar and sand c. iron filings and sand d. sand soaked with oilarrow_forwardClassify each of the following statements as true or false. a. All homogeneous mixtures must contain at least two substances. b. Heterogeneous mixtures, but not homogeneous mixtures, can have a variable composition. c. Pure substances cannot be separated into other kinds of matter by physical means. d. The number of known pure substances is less than 100,000.arrow_forwardIdentify the chemical and physical changes that are described in this statement: Propane gas burns, and the high temperature produced by the combustion reaction hard-boils an egg.arrow_forward
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