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Chapter 1, Problem 1.18EP

Classify each of the following changes as physical or chemical.

  1. a. A newspaper page turns yellow over time.
  2. b. A rubber band breaks.
  3. c. A firecracker explodes.
  4. d. Dry ice “disappears” over time.
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Which of the following is not an example of a physical change? a. Ice melts when warmed b. Dry ice sublimes (converts from a solid to a gas) at room temperature c. Liquid nitrogen converts to a gas at room temperature d. Blue copper sulfate crystals dissolve in water to form a blue solution  e. When hydrogen and oxygen gas are mixed in the presence of a spark, water is formed
Classify the following as physical or chemical changes. a.Moth balls gradually vaporize in a closet. b.Hydrofluoric acid attacks glass and is used to etch calibra- tion marks on glass laboratory utensils. c. A French chef making a sauce with brandy is able to boil off the alcohol from the brandy, leaving just the brandy flavoring. d. Chemistry majors sometimes get holes in the cotton jeans they wear to lab because of acid spills

Chapter 1 Solutions

Bundle: General, Organic, and Biological Chemistry, 7th + OWLv2 Quick Prep for General Chemistry, 4 terms (24 months) Printed Access Card

Ch. 1.4 - Prob. 2QQCh. 1.4 - Prob. 3QQCh. 1.5 - Prob. 1QQCh. 1.5 - Prob. 2QQCh. 1.5 - Prob. 3QQCh. 1.5 - Prob. 4QQCh. 1.6 - Prob. 1QQCh. 1.6 - A compound can be separated into its constituent...Ch. 1.6 - Prob. 3QQCh. 1.6 - Prob. 4QQCh. 1.7 - Which of the following statements concerning the...Ch. 1.7 - Prob. 2QQCh. 1.7 - Prob. 3QQCh. 1.7 - Prob. 4QQCh. 1.8 - The correct chemical symbol for the element...Ch. 1.8 - Prob. 2QQCh. 1.8 - Prob. 3QQCh. 1.8 - Prob. 4QQCh. 1.9 - Prob. 1QQCh. 1.9 - Prob. 2QQCh. 1.9 - The molecules present in a compound must be a....Ch. 1.9 - Prob. 4QQCh. 1.10 - Prob. 1QQCh. 1.10 - Which of the following chemical formulas fits the...Ch. 1.10 - Which of the following pairings of chemical...Ch. 1.10 - Prob. 4QQCh. 1.10 - Prob. 5QQCh. 1.10 - Prob. 6QQCh. 1 - What are the two general characteristics that all...Ch. 1 - What are the three aspects of matter that are of...Ch. 1 - Classify each of the following as matter or energy...Ch. 1 - Classify each of the following as matter or energy...Ch. 1 - Prob. 1.5EPCh. 1 - Prob. 1.6EPCh. 1 - Indicate whether each of the following substances...Ch. 1 - Indicate whether each of the following substances...Ch. 1 - Classify each of the following properties of the...Ch. 1 - Classify each of the following properties of the...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Prob. 1.13EPCh. 1 - Classify each of the following observations about...Ch. 1 - Classify each of the following changes as physical...Ch. 1 - Classify each of the following changes as physical...Ch. 1 - Prob. 1.17EPCh. 1 - Classify each of the following changes as physical...Ch. 1 - Correctly complete each of the following sentences...Ch. 1 - Correctly complete each of the following sentences...Ch. 1 - Classify each of the following as (1) a physical...Ch. 1 - Classify each of the following as (1) a physical...Ch. 1 - Classify each of the following statements as true...Ch. 1 - Classify each of the following statements as true...Ch. 1 - Prob. 1.25EPCh. 1 - Assign each of the following descriptions of...Ch. 1 - Classify each of the following as a heterogeneous...Ch. 1 - Classify each of the following as a heterogeneous...Ch. 1 - From the information given, classify each of the...Ch. 1 - From the information given, classify each of the...Ch. 1 - Prob. 1.31EPCh. 1 - From the information given in the following...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Consider two boxes with the following contents:...Ch. 1 - Consider two boxes with the following contents:...Ch. 1 - Assign each of the following descriptions of...Ch. 1 - Assign each of the following descriptions of...Ch. 1 - Indicate whether each of the following samples of...Ch. 1 - Indicate whether each of the following samples of...Ch. 1 - Indicate whether each of the following...Ch. 1 - Indicate whether each of the following...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Prob. 1.45EPCh. 1 - Indicate whether each of the following statements...Ch. 1 - Prob. 1.47EPCh. 1 - Prob. 1.48EPCh. 1 - Give the name of the element denoted by each of...Ch. 1 - Prob. 1.50EPCh. 1 - Prob. 1.51EPCh. 1 - Prob. 1.52EPCh. 1 - Write the chemical symbol for each member of the...Ch. 1 - Write the chemical symbol for each member of the...Ch. 1 - In which of the following sequences of elements do...Ch. 1 - In which of the following sequences of elements do...Ch. 1 - Classify the substances represented by the...Ch. 1 - Classify the substances represented by the...Ch. 1 - Classify the substances represented by the models...Ch. 1 - Classify the substances represented by the models...Ch. 1 - Classify the substances represented by the models...Ch. 1 - Classify the substances represented by the models...Ch. 1 - Assign each of the following molecular...Ch. 1 - Assign each of the following molecular...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - In the following diagrams, the different colored...Ch. 1 - In the following diagrams, different colored...Ch. 1 - Assign each of the following descriptions of...Ch. 1 - Assign each of the following descriptions of...Ch. 1 - In the following diagram, the different colored...Ch. 1 - Using the diagrams given in problem 1-71, select...Ch. 1 - Write chemical formulas for the substances...Ch. 1 - Write chemical formulas for the substances...Ch. 1 - Prob. 1.75EPCh. 1 - Prob. 1.76EPCh. 1 - Prob. 1.77EPCh. 1 - Prob. 1.78EPCh. 1 - Write all possible chemical formulas for a...Ch. 1 - Write all possible chemical formulas for a...Ch. 1 - Write a chemical formula for each of the following...Ch. 1 - Write a chemical formula for each of the following...Ch. 1 - Prob. 1.83EPCh. 1 - Prob. 1.84EPCh. 1 - On the basis of the given information, determine...Ch. 1 - On the basis of the information given, determine...Ch. 1 - Prob. 1.87EPCh. 1 - A mixture contains the following five pure...
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