Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN: 9781305079250
Author: Mark S. Cracolice, Ed Peters
Publisher: Cengage Learning
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Chapter 2, Problem 5E
Using spheres to represent individual atoms, sketch particulate illustrations of a substance as it is heated from the solid to the liquid and to the gaseous state.
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Introductory Chemistry: An Active Learning Approach
Ch. 2 - Consider the photograph and illustrations of table...Ch. 2 - In the left box, draw a particulate-level...Ch. 2 - Classify the following changes as chemical C or...Ch. 2 - Specific gravity is a physical property. Beakers...Ch. 2 - Classify the following as homogenous or...Ch. 2 - Table salt from the beaker on the left in the...Ch. 2 - Which of the following are compounds, and which...Ch. 2 - Prob. 2.8TCCh. 2 - Identify the net electrical force-attraction,...Ch. 2 - aIs the process of boiling water exothermic or...
Ch. 2 - In everyday language, the term conserve usually...Ch. 2 - Write a brief description of the relationships...Ch. 2 - Write a brief description of the relationships...Ch. 2 - Prob. 3CLECh. 2 - Write a brief description of the relationships...Ch. 2 - Prob. 5CLECh. 2 - Prob. 6CLECh. 2 - Prob. 1ECh. 2 - Classify each of the following as macroscopic,...Ch. 2 - Suggest a reason for studying matter at the...Ch. 2 - How does a chemist think about particles that are...Ch. 2 - Using spheres to represent individual atoms,...Ch. 2 - Describe a piece of ice at the particulate level....Ch. 2 - 7.The word pour is commonly used in reference to...Ch. 2 - Prob. 8ECh. 2 - Which of the three states of matter is most easily...Ch. 2 - Compare the volumes occupied by the same sample of...Ch. 2 - Classify each of the following properties as...Ch. 2 - Classify the italicized property as chemical or...Ch. 2 - Which among the following are physical changes? a...Ch. 2 - Classify each of the following changes as chemical...Ch. 2 - Is the change illustrated below a physical change...Ch. 2 - Is the change in the illustration below a physical...Ch. 2 - Diamonds and graphite are two forms of carbon....Ch. 2 - Aspirin is a pure substance. If you had the choice...Ch. 2 - The substance in the glass below is from a kitchen...Ch. 2 - Are the contents of the bottle in the picture...Ch. 2 - Which of the following particulate illustrations...Ch. 2 - Which of the following particulate illustrations...Ch. 2 - Which of the following are pure substances and...Ch. 2 - Which of the substances below are pure and which...Ch. 2 - Apart from food, list five things in your home...Ch. 2 - Can the terms homogeneous and heterogeneous be...Ch. 2 - Which items in the following list are...Ch. 2 - Classify each of the following mixtures as either...Ch. 2 - Some ice cubes are homogeneous and some are...Ch. 2 - The freshly polished brass cylinder in the picture...Ch. 2 - Draw a particulate-level sketch of a heterogeneous...Ch. 2 - Draw a particulate-level sketch of a homogeneous...Ch. 2 - Suppose someone emptied ball bearings into a...Ch. 2 - Suggest at least two ways to separate ball...Ch. 2 - Prob. 35ECh. 2 - You receive a mixture of table salt and sand and...Ch. 2 - Classify the following as compounds or elements: a...Ch. 2 - Classify each of the following pure substances as...Ch. 2 - Which of the following are elements, and which are...Ch. 2 - Classify each of the following pure substances as...Ch. 2 - Classify each substance in the illustrations below...Ch. 2 - Does each of the particulate-level models below...Ch. 2 - a Which of the following substances would you...Ch. 2 - a Which of the following substances would you...Ch. 2 - Metal A dissolves in nitric acid solution. You can...Ch. 2 - A white, crystalline material that looks like...Ch. 2 - Questions 47 and 48: Samples of matter may be...Ch. 2 - Questions 47 and 48: Samples of matter may be...Ch. 2 - What is the main difference between electrostatic...Ch. 2 - Identify the net electrostatic force attraction,...Ch. 2 - Identify the reactants and products in the...Ch. 2 - In the following equation for a chemical reaction,...Ch. 2 - In the equation Ni+Cu(NO3)2Ni(NO3)2+Cu, which of...Ch. 2 - Write the formulas of the elements that are...Ch. 2 - Prob. 55ECh. 2 - Classify each of the following changes as...Ch. 2 - As a child plays on a swing, at what point in her...Ch. 2 - A bicycle accelerates from 5 miles per hour to 15...Ch. 2 - After solid limestone is heated, the rock that...Ch. 2 - Before electronic flashes were commonly used in...Ch. 2 - The photograph below shows a beaker of water and a...Ch. 2 - Prob. 62ECh. 2 - Prob. 63ECh. 2 - Prob. 64ECh. 2 - Distinguish precisely and in scientific terms the...Ch. 2 - Prob. 66ECh. 2 - A natural-food store advertises that no chemicals...Ch. 2 - Prob. 68ECh. 2 - Name some pure substances you have used today.Ch. 2 - How many homogeneous substances can you reach...Ch. 2 - Which of the following can be pure substances:...Ch. 2 - Can you have a mixture of two elements as well as...Ch. 2 - Can you have more than one compound made of the...Ch. 2 - Rainwater comes from the oceans. Is rainwater more...Ch. 2 - Prob. 75ECh. 2 - Prob. 76ECh. 2 - Consider the sample of matter in the illustration...Ch. 2 - A particulate-level illustration of the reaction...Ch. 2 - Prob. 79ECh. 2 - Prob. 80ECh. 2 - Prob. 81ECh. 2 - Prob. 82ECh. 2 - Particles in the illustration below undergo a...Ch. 2 - Prob. 84E
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- Describe a piece of ice at the particulate level. Then describe what happens to the ice as it is heated until it melts and eventually boils.arrow_forwardFrom the information given, classify each of the pure substances A through D as elements or compounds, or indicate that no such classification is possible because of insufficient information. a. Substance A cannot be broken down into simpler substances by chemical means. b. Substance B cannot be broken down into simpler substances by physical means. c. Substance C readily dissolves in water. d. Substance D readily reacts with the element chlorine.arrow_forwardSeawater is composed of salt, sand, and water. Is seawatera heterogeneous or homogeneous mixture? Explain.arrow_forward
- 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 is not characteristic of a pure substance? (a) Has a uniform composition throughout (b) Has a fixed melting temperature (c) Can be separated into two other pure substancesarrow_forwardWhich of (he following are true? P4 is considered a compound. Metal rusting on a car is a chemical change. Dissolving sugar in water is a chemical change. Sodium chloride (NaCl) is a homogeneous mixture.arrow_forward
- Iced Tea Use iced tea with and without ice cubes as examples to explain homogeneous and heterogeneous mixtures. If you allow all of the ice cubes to melt, what type of mixture remains?arrow_forwardAnalyses of several samples of a material containing only iron and oxygen gave the following results. Could this material be a compound?arrow_forwardIn the left box, draw a particulate-level illustration of a substance in the gaseous state. Model the particles as spheres, which can be simple circles. Assume that the box represents a tiny, closed container that holds the particles. In the right box, draw a particulate-level illustration of the same substance after it cools and becomes a liquidarrow_forward
- Classify 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_forwardClassify each of the following as an element, a compound, or a mixture: (a) copper (b) water (c) nitrogen (d) sulfur (e) air (f) sucrose (g) a substance composed of molecules each of which contains two iodine atoms (h) gasolinearrow_forwardClassify the italicized property as chemical or physical: a a shiny piece of iron metal gets rusty when left outside; b the purple crystalline solid potassium permanganate forms a purple solution when dissolved in water; c the shiny metal mercury is a liquid at room temperature.arrow_forward
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