Introductory Chemistry (5th Edition) (Standalone Book)
5th Edition
ISBN: 9780321910295
Author: Nivaldo J. Tro
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 18E
Classify each statement as an observation, a law, or a theory.
a. The star closest to Earth is moving away from Earth at high speed.
b. A body in motion stays in motion unless acted upon by a force.
c. The universe began as a cosmic explosion called the Big Bang.
d. A stone dropped from an altitude of 450 m falls to the ground in 9.6s.
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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 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.
3. In order to decide whether a property is chemical or physical, you must know
whether
a. measuring the property changes mass or energy
b. chemical or physical changes occur when the property is measured
c. the property involves matter or energy
d. the property is intrinsic or extrinsic
4. The specific volume of a substance is the volume per gram of substance.
Specific volume is an example of
a. a physical, intensive property
b. a chemical, extensive property
c. a physical, extensive property
d. a chemical, intensive property
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. Reactivity
Chapter 1 Solutions
Introductory Chemistry (5th Edition) (Standalone Book)
Ch. 1 - Where can you find chemicals? a. In a hardware...Ch. 1 - Q2. Which statement best defines chemistry?
a. The...Ch. 1 - According to the scientific method, what is a law?...Ch. 1 - Q4. Which statement is an example of an...Ch. 1 - Which characteristic is necessary for success in...Ch. 1 - Why does soda fizz?Ch. 1 - 2. What are chemicals? Give some examples.
Ch. 1 - Prob. 3ECh. 1 - 4. What is meant by the statement, “Matter does...Ch. 1 - Define chemistry.
Ch. 1 - 6. Many things that we take for granted in...Ch. 1 - 7. Explain the scientific method.
Ch. 1 - 8. What is wrong with the statement, “The...Ch. 1 - What is the difference between a law and a theory?Ch. 1 - 10. What is the difference between a hypothesis...Ch. 1 - What is wrong with the statement, It is just a...Ch. 1 - What is the law of conservation of mass, and who...Ch. 1 - What is the atomic theory, and who formulated it?Ch. 1 - A chemical experiment might look for one or more...Ch. 1 - Examine the opening figure of this chapter. Use...Ch. 1 - Examine Figure 1.1 and, from a molecular point of...Ch. 1 - Prob. 17ECh. 1 - 16. Classify each statement as an observation, a...Ch. 1 - 17. A student prepares several samples of the same...Ch. 1 - A student measures the volume of a gas sample at...Ch. 1 - A chemist in an imaginary universe does an...Ch. 1 - 20. A chemist decomposes several samples of water...Ch. 1 - 21. The manufacturer of a particular brand of...Ch. 1 - Prob. 24ECh. 1 - 23. In your own words, provide a brief definition...Ch. 1 - 24. How curious are you? How good are your...
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- 2. Which of the following statements is a theory? A. In a reaction, the total mass of reactants is equal to the total mass of products B. Elements are composed of atoms C. Larger the mass, larger the volume of a substance. D. When you compress a gas, its volume decreases.arrow_forwardWhat is the speed of light in a diamond, if the speed of light in water is 139, 849.62 mps? * A. 186,000 mi/sec B. 139,849.62 mi/sec C. 76,945.40 mi/sec D. 57,853.65 mi/secarrow_forward1.61 km = 1 mi The speed of light is 3.0 x 108 m/s. What is the speed of light in mph and how many orders of magnitude faster is light traveling than a car driving 50 mph? A. 1.12x107 mph, order of magnitude: 6 B. 1.12x10¹0 mph, order of magnitude: 9 C. 6.71 x 10¹¹ mph, order of magnitude: 10 D. 6.71 x 108 mph, order of magnitude: 7 E. 6.71x105 mph, order of magnitude: 4arrow_forward
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