Introductory Chemistry: A Foundation
8th Edition
ISBN: 9781285199030
Author: Steven S. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Chapter 3, Problem 15QAP
Interpretation Introduction
Interpretation:
To choose a chemical substance and explain the chemical change in that substance.
Concept Introduction:
Chemical change requires a change in bonding between atoms. It is typically accompanied by change in color, odor, physical state, oxidation number, etc. In a chemical change, the new compound is formed and the compound undergoing a chemical change loses its identity.
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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 - Prob. 15QAPCh. 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 - Prob. 28QAPCh. 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 - Classify the following mixtures as homogeneous or...Ch. 3 - Prob. 51APCh. 3 - Prob. 52APCh. 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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- Particles in the illustration below undergo a chemical change. Which among the remaining boxes, a through d, can represent the products of the chemical change? If a box cannot represent the products of the chemical change, explain why. a b c darrow_forwardIn each case, describe the change as a chemical or physical change. Give a reason for your choice. Salt dissolves when you add it to water. Food is digested and metabolized in your body. Crystalline sugar is ground into a fine powder. When potassium is added to water there is a purplishpink flame and the water becomes basic (alkaline).arrow_forwardTrue or false? Mixtures always result in a chemical reaction because they consist of two or more substances and thus combine to create a new product.arrow_forward
- Suppose 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 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. ALUMINIUMarrow_forwardPart B What kind of change happens when copper metal turns green, and what kind of change happens when frozen chicken thaws? Both are physical changes. Copper metal turning green is a chemical change, and chicken thawing is a physical change. Copper metal turning green is a physical change, and chicken thawing is a chemical change. Both are chemical changes.arrow_forward
- With explanation of why the chosen answer is wrong and why the new one is correct! Thank you.arrow_forwardWhat are three physical changes you encounter on a daily, weekly, or monthly basis? What are three chemical changes you encounter on a daily, weekly, or monthly basis? Imagine what life would be like without these types of changes occurring around us all the time. What aspects of life would be significantly harder? Would any aspects of life be easier? Why are these changes essential to our daily life?arrow_forwardExpressing amounts of energy in different energy units is necessary to solve many chemistry problems. For practice, complete the following table. The Joule (J) is the SI unit of energy. 1 calorie (cal) = 4.184 J 1 kWh = 3.600 x 106 J J 202 kWh 199 kcal 226arrow_forward
- The boiling of water is aa. physical change because the water disappears.physical change because the gaseous water is chemically the same as the liquid.chemical change because heat is needed for the process to occur.chemical change because hydrogen and oxygen gases are formed from water.chemical and physical change. Explain your answerarrow_forwardYour breakfast this morning was so nutritious! You had two eggs, a slice of toast and some orange juice. You were lucky, though... your mom noticed some smoke coming from the toaster and took your toast out before it burned. Thanks to her, your toast was a perfectly crunchy and light-brown in color: During this process, did the bread undergo a physical change or a chemical change? What evidence from the story or the image proves that you are correct?arrow_forwardSodium and potassium are both shiny metals in pure form, but corrode rapidly in the presence of oxygen and humidity to form compounds. Does this fact describe a physical or chemical property of these two metals?arrow_forward
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