Exam (elaborations)
Chemistry & Chemical Reactivity 9th Edition by John C. Kotz - Test Bank
- Course
- Institution
Complete Test Bank with Questions Answers
[Show more]
Seller
Follow
premiumbiz379
Reviews received
Content preview
,Chapter 01 - Basic Concepts of Chemistry1. A hypothesis is a ________.
a. well-tested unifying principle that explains a body of facts
b. set of experiments designed to test a theory
c. tentative explanation or predication based upon experimental observations
d. set of quantitative data
e. concise statement of behavior that is always the same under the same conditions
ANSWER: c
POINTS: 1
HAS VARIABLES: True
TOPICS: 1.1 Chemistry and Its Methods
NOTES: Dynamic Question
2. All of the following statements concerning green chemistry are correct EXCEPT
a. it is better to prevent waste than to treat or clean up waste after it is formed.
b. synthetic methods should be designed to use and generate substances that possess little or no toxicity to
human health or the environment.
c. substances used in a chemical process should be chosen to minimize the potential for chemical accidents.
d. raw materials should be renewable whenever technically and economically practical.
e. chemical syntheses should be done at high enough temperatures to ensure harmful bacteria are destroyed.
ANSWER: e
POINTS: 1
HAS VARIABLES: False
TOPICS: 1.2 Sustainability and Green Chemistry
3. One of the following is not a description of gases. Which one is it?
a. particles far apart
b. relatively high densities
c. expands infinitely on heating
d. fills any container completely
e. easily compressed
ANSWER: b
POINTS: 1
HAS VARIABLES: True
TOPICS: 1.3 Classifying Matter
NOTES: Dynamic Question
4. Which of the following statements concerning the kinetic-molecular theory of matter is/are CORRECT?
1. Particles in a liquid vibrate back and forth about an average position.
2. Particles in a solid are packed closely together, but are not confined to specific positions.
3. Particles in a gas fly about randomly, colliding with themselves and the walls of their container.
a. 1 only b. 2 only c. 3 only d. 1 and 2 e. 1, 2, and 3
ANSWER: c
POINTS: 1
HAS VARIABLES: False
TOPICS: 1.3 Classifying Matter
Cengage Learning Testing, Powered by Cognero Page 1
,Chapter 01 - Basic Concepts of Chemistry
5. Which of the following statements concerning the kinetic-molecular theory of matter is/are CORRECT?
1. Particles in a gas move faster as the temperature increases.
2. Particles in a liquid are packed closely together, but are not confined to specific positions.
3. Particles in a gas vibrate back and forth about an average position.
a. 1 only b. 2 only c. 3 only d. 1 and 2 e. 1, 2, and 3
ANSWER: d
POINTS: 1
HAS VARIABLES: False
TOPICS: 1.3 Classifying Matter
Instructions: Use the pictures below to answer question 6:
A) B) C)
D) E)
6. Which of the above figures represents a liquid compound?
a. Figure A b. Figure B c. Figure C d. Figure D e. Figure E
ANSWER: d
POINTS: 1
HAS VARIABLES: True
TOPICS: 1.3 Classifying Matter
1.4 Elements
1.5 Compounds
NOTES: OWL | Dynamic Question
Instructions: Use the figures below to answer questions 7:
A) B) C)
D) E)
Cengage Learning Testing, Powered by Cognero Page 2
, Chapter 01 - Basic Concepts of Chemistry
7. Which of the above figures represents a gaseous element?
a. Figure A b. Figure B c. Figure C d. Figure D
e. Figure E
ANSWER: a
POINTS: 1
HAS VARIABLES: True
TOPICS: 1.3 Classifying Matter
1.4 Elements
1.5 Compounds
NOTES: OWL | Dynamic Question
Instructions: Use the pictures below to answer question 8:
A) B) C)
D) E)
8. Which of the above figure represents a mixture of two elements?
a. Figure A b. Figure B c. Figure C d. Figure D e. Figure E
ANSWER: d
POINTS: 1
HAS VARIABLES: False
TOPICS: 1.3 Classifying Matter
1.4 Elements
1.5 Compounds
NOTES: OWL
9. Which one of the following statements is correct?
a. A pure substance may be separated by filtration or distillation into two or more components.
b. A heterogeneous mixture is also known as a solution.
c. A heterogeneous mixture is composed of two or more substances in the same phase.
d. The composition is uniform throughout a homogeneous mixture.
e. The combination of a liquid and a solid always results in a heterogeneous mixture.
ANSWER: d
POINTS: 1
HAS VARIABLES: False
TOPICS: 1.3 Classifying Matter
Cengage Learning Testing, Powered by Cognero Page 3
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller premiumbiz379. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $26.59. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78998 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now