Chemistry In Focus
7th Edition
ISBN: 9781337399692
Author: Tro, Nivaldo J.
Publisher: Cengage Learning,
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Textbook Question
Chapter 1, Problem 22E
Classify each of the following as a law or a theory:
a. In a
b. All matter is composed of atoms.
c. When the temperature of a gas is increased, the volume of the gas increases.
d. Gases are composed of particles in constant motion.
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5. Particles of matter moved depending on the spaces between them.
What word is used to describe the spaces between particles?
C. Space
A. Blank
B. Gaps
D. Void
6. Matter can be in a form of solid, liquid, or gases. What is a matter made
of?
A. Dark spots
C. Tiny particles
B. Hard particles
D. Tiny spots
7. The movement of particles of matter can be affected by some external
factors. What are the factors that affect the movement of particles of
matter?
B. Temperature
A. Pressure
C. Odor and appearance
D. Size and temperature
6. Matter can be in a form of solid, liquid, or gases. What is a matter made
of?
A. Dark spots
C. Tiny particles
B. Hard particles
D. Tiny spots
A kilogram of lead occupies a much smaller volume than a kilogram of water, because which has a much higher density.
A. Water
B. lead
C. Lead
Chapter 1 Solutions
Chemistry In Focus
Ch. 1 - A chemist observes the behavior of a gas by...Ch. 1 - Classifying Matter Determine whether each of the...Ch. 1 - A cup of coffee is an example of: a. a liquid pure...Ch. 1 - Water is put on the stove and heated with a...Ch. 1 - The Conservation of Mass A match is weighed and...Ch. 1 - Constant Composition of Compounds Two samples of...Ch. 1 - Prob. 4SCCh. 1 - What is meant by the statement Macroscopic...Ch. 1 - Why should nonscience majors study science?Ch. 1 - Prob. 3E
Ch. 1 - Define chemistry.Ch. 1 - Prob. 5ECh. 1 - Prob. 6ECh. 1 - How are science and art similar? How are they...Ch. 1 - What is different about the Greek philosophers...Ch. 1 - Match each of the people in column A with their...Ch. 1 - What were the two main pursuits of alchemy? What...Ch. 1 - Prob. 11ECh. 1 - What is the difference between an element and a...Ch. 1 - What is the difference between a pure substance...Ch. 1 - What is the difference between a homogeneous...Ch. 1 - Explain the differences among a solid, a liquid,...Ch. 1 - Match each term in the left column with three...Ch. 1 - What is the atomic theory?Ch. 1 - Describe Rutherfords gold foil experiment.Ch. 1 - Describe the structure of the atom as explained by...Ch. 1 - What are black holes, and how does their existence...Ch. 1 - Classify each of the following as an observation...Ch. 1 - Classify each of the following as a law or a...Ch. 1 - To the best of your knowledge, classify each of...Ch. 1 - To the best of your knowledge, classify each of...Ch. 1 - Which substance is a liquid mixture? a. lemonade...Ch. 1 - Which substance is a solid? a. the helium in a...Ch. 1 - Classify each of the following properties as...Ch. 1 - Classify each of the following properties as...Ch. 1 - Classify each of the following changes as physical...Ch. 1 - Classify each of the following changes as physical...Ch. 1 - The burning of gasoline in automobile engines is a...Ch. 1 - A campfire is a chemical reaction involving wood...Ch. 1 - Prob. 33ECh. 1 - Prob. 34ECh. 1 - A chemist combines 22 grams of sodium with 28...Ch. 1 - A chemist combines 6 grams of hydrogen with 52...Ch. 1 - Several samples of carbon dioxide are obtained and...Ch. 1 - Several samples of methane gas, the primary...Ch. 1 - According to Rutherfords model of the atom, how...Ch. 1 - According to Rutherfords model of the atom, how...Ch. 1 - When water boils, small bubbles form in the...Ch. 1 - Prob. 42ECh. 1 - Prob. 43ECh. 1 - Prob. 44ECh. 1 - Prob. 45ECh. 1 - The nuclei of a limited number of atoms are...Ch. 1 - Prob. 47ECh. 1 - Based on the molecular views shown for each of the...Ch. 1 - Read The Molecular Revolution" box in this chapter...
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- In Figure 1.5 you see macroscopic and particulate views of the element bromine. Which are the macroscopic views and which are the particulate views? Describe how the particulate views explain properties of this element related to the state of matter.arrow_forwardIf matter is uniform throughout and cannot be separated into other substances by physical means, it is Select one: a. an element b. a homogeneous mixture c. either an element or a compound O d. a heterogeneous mixturearrow_forwardClassify each statement as an observation, a law, or a theory.a. Chlorine is a highly reactive gas.b. If elements are listed in order of the increasing mass of their atoms, their chemical reactivities follow a repeating pattern.c. Neon is an inert (or non-reactive) gas.d. The reactivity of elements depends on the arrangement of their electrons.arrow_forward
- Which substance can be separated by filtration? A. Compound B. Element C. Mixture D. Solution Which is an example of physical property of matter? * A. Baking a cake B. Cooking of gelatin C. Melting of ice D. Rusting of metal Which is an example of chemical property of matter? A. Digestion of food B. Evaporation of water C. Sublimation of moth balls D. Condensation of water vapor Which is a physical property of matter? A. Combustibility B. Corrosiveness C. Density D. Reactivityarrow_forwardWater is a substance that exists in all the three states of matter. What do you call when a substance changes its appearance without changing its composition? B. Chemical change A. Physical change C. Physical Property D. Chemical propertyarrow_forwardDuring a chemical change: A. Chemical composition changes B. There is only a physical state change C. There are no changes D. Solids are always formedarrow_forward
- Classify each statement as an observation, a law, or a theory.a. Chlorine is a highly reactive gas.b. If elements are listed in order of increasing mass of theiratoms, their chemical reactivity follows a repeating pattern.c. Neon is an inert (or nonreactive) gas.d. The reactivity of elements depends on the arrangement oftheir electrons.arrow_forward14. Your mom is washing the rice in the casserole pot before cooking it A. filtration B. decantation C. evaporation O D. magnetizing 15. Dr. Merle is getting some cash from his wallet. * A. decantation B. filtration C. evaporation D. handpicking 16. Mixtures can be separated in many ways. * A. True B. Falsearrow_forward10. The amount of spaces between particles of matter can be measured. How do we measure the space occupied by an object? C. Getting the density D. Getting through its volume A. Area B. Massarrow_forward
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