Exam (elaborations)
General Chemistry 11th Edition by Darrell Ebbing - Test Bank
- Course
- Institution
- Book
Test Bank For General Chemistry 11th Edition by Darrell Ebbing
[Show more]
Connected book
Book Title:
Author(s):
- Edition:
- ISBN:
- Edition:
More summaries for
-
Gen Chem 2 CHEM112 & 113 : Chapter 13: rates of reactions
-
Gen Chem 2 CHEM112 & 113 : Chapter 12: Solutions
-
Gen Chem 2 CHEM112 & 113 : Chapter 11: solids and liquids
Seller
Follow
ExamsExpert
Reviews received
Content preview
,Chapter 01 - Chemistry and Measurement1. What is a scientific theory?
a. It is a collection of experimental data.
b. It is an assertion of scientific fact.
c. It is a guess or conjecture about natural phenomena.
d. It is a fundamental relationship of nature.
e. It is an explanation of natural phenomena that has undergone significant testing.
ANSWER: e
POINTS: 1
DIFFICULTY: easy
REFERENCES: 1.2
HAS VARIABLES: False
LEARNING OBJECTIVE GENE.EBBI.13.1 - Understand how the scientific method is an approach to
S: performing science.
TOPICS: general concepts
scientific method
OTHER: general chemistry
2. An untested explanation of a series of experimental observations is called _____.
a. a hypothesis
b. a theory
c. a law
d. an experiment
e. the scientific method
ANSWER: a
POINTS: 1
DIFFICULTY: easy
REFERENCES: 1.2
HAS VARIABLES: False
LEARNING OBJECTIVE GENE.EBBI.13.1 - Understand how the scientific method is an approach to
S: performing science.
TOPICS: general concepts
scientific method
3. Which of the following statements concerning experiment and explanation is/are true?
1. A law is always given in the form of a mathematical expression.
2. Once a hypothesis passes one or two tests it is considered a theory.
3. Observation is a key component of the scientific method.
a. 1 only
b. 2 only
c. 3 only
d. 1 and 2
e. 1, 2, and 3
Copyright Cengage Learning. Powered by Cognero. Page 1
,Chapter 01 - Chemistry and Measurement
ANSWER: c
POINTS: 1
DIFFICULTY: easy
REFERENCES: 1.2
HAS VARIABLES: False
LEARNING OBJECTIVE GENE.EBBI.13.1 - Understand how the scientific method is an approach to
S: performing science.
TOPICS: general concepts
scientific method
4. A saline solution similar to that used for intravenous drips is made by dissolving 0.45 g sodium chloride in
50.00 g water. Which of the following statements concerning the saline solution and the law of conservation of
mass is/are correct?
1. The mass of the saline solution is greater than the mass of water.
2. The mass of the saline solution is equal to the combined mass of sodium chloride and water.
3. The mass of the saline solution is greater than the mass of the sodium chloride.
a. 1 only
b. 2 only
c. 3 only
d. 1 and 2
e. 1, 2, and 3
ANSWER: d
POINTS: 1
DIFFICULTY: easy
REFERENCES: 1.3
HAS VARIABLES: False
LEARNING OBJECTIVES: GENE.EBBI.13.2 - Apply the law of the conservation of mass.
TOPICS: general concepts
matter
5. A 54.0-g sample of sodium is completely burned in air to form sodium oxide. The mass of sodium oxide
must be
a. less than 54.0 g.
b. greater than 54.0 g.
c. equal to 54.0 g.
d. all of the above.
e. none of the above.
ANSWER: b
POINTS: 1
DIFFICULTY: easy
REFERENCES: 1.3
HAS VARIABLES: True
Copyright Cengage Learning. Powered by Cognero. Page 2
, Chapter 01 - Chemistry and Measurement
LEARNING OBJECTIVES: GENE.EBBI.13.3 - Apply the law of the conservation of mass. (Example 1.1)
TOPICS: general concepts
matter
6. A sample of magnesium is burned in oxygen to form magnesium oxide. What mass of oxygen is consumed if
74.62 g magnesium oxide is formed from 45.00 g magnesium?
a. 29.62 g
b. 119.62 g
c. 3358.06 g
d. 0.60 g
e. none of the above.
ANSWER: a
POINTS: 1
DIFFICULTY: easy
REFERENCES: 1.3
HAS VARIABLES: True
LEARNING OBJECTIVES: GENE.EBBI.13.2 - Apply the law of the conservation of mass.
TOPICS: general concepts
matter
7. In a certain chemical reaction, 9.11 g of compound A is added to 8.82 g of compound B. Once the reaction is
complete, 1.38 g of compound A and 1.61 g of compound B remain. What mass of products was produced?
a. 20.92 g
b. 7.21 g
c. 14.94 g
d. 7.73 g
e. 2.99 g
ANSWER: c
POINTS: 1
DIFFICULTY: easy
REFERENCES: 1.3
HAS VARIABLES: True
LEARNING OBJECTIVES: GENE.EBBI.13.3 - Apply the law of the conservation of mass. (Example 1.1)
TOPICS: general concepts
matter
KEYWORDS: Law of Conservation of Mass
OTHER: general chemistry
8. A 7.45 g sample of calcium carbonate completely decomposes into calcium oxide (lime) and carbon dioxide
gas when heated. If 4.17 g calcium oxide is produced, what mass of carbon dioxide must have been formed?
a. 3.28 g
b. 11.62 g
Copyright Cengage Learning. 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 ExamsExpert. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$42.63. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
52355 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now