Question 1

The correct answer (reported to the proper number of significant figures) to the following is ________. (2.01) (6.936) / 12 = ________

Accepted Answer

A)  1.1618
B)  1.2
C)  1.16
D)  1.162
E)  none of the aboveF) C) and D)
G) A) and D)

Question 2

If an object weighs 38.325 lbs,what would be the mass in grams?
 (2.20 lbs = 1 kg)

Accepted Answer

The answer of If an object weighs 38.325 lbs,what would...

Question 3

3.337 g/cm3 = ________ kg/m3

Accepted Answer

A)  3.337 × 10-9
B)  3.337 × 10-5
C)  3337
D)  0.3337
E)  333.7F) A) and B)
G) A) and E)

Question 4

Accuracy refers to ________.

Accepted Answer

A)  how close a measured number is to zero
B)  how close a measured number is to the calculated value
C)  how close a measured number is to other measured numbers
D)  how close a measured number is to the true value
E)  how close a measured number is to infinityF) B) and C)
G) A) and E)

Question 5

In the following list,only ________ is not an example of matter.

Accepted Answer

A)  book
B)  heat
C)  flower
D)  mouse
E)  neonF) B) and C)
G) None of the above

Question 6

Round the number 0.00637 to two significant figures.

Accepted Answer

A)  0.0064
B)  0.006
C)  0.00637
D)  0.0
E)  0.0063700F) None of the above
G) A) and C)

Question 7

A temperature of 100.°F is the same as ________ °C.

Accepted Answer

A)  38
B)  212
C)  700.
D)  373
E)  -173F) C) and D)
G) A) and D)

Question 8

A wooden object has a mass of 10.782 g and occupies a volume of 13.72 mL.What is the density of the object determined to an appropriate number of significant figures?

Accepted Answer

A)  8 × 10-1 g/mL
B)  7.9 × 10-1 g/mL
C)  7.86 × 10-1 g/mL
D)  7.859 × 10-1 g/mL
E)  7.8586 × 10-1 g/mLF) B) and D)
G) A) and C)

Question 9

________ is the abbreviation for the prefix mega-.

Accepted Answer

A)  k
B)  m
C)  M
D)  n
E)  dF) None of the above
G) A) and E)

Question 10

The symbol for the element platinum is ________.

Accepted Answer

A)  K
B)  P
C)  Pt
D)  S
E)  CaF) A) and C)
G) C) and D)

Question 11

The density of silver is 10.5 g/cm3.A piece of silver that occupies a volume of 42.5 cm3 would have a mass of ________ g.

Accepted Answer

A)  446
B)  0.247
C)  7.64
D)  4.05
E)  23.6F) A) and D)
G) C) and E)

Question 12

The density (in g/cm3) of a gold nugget that has a volume of 1.68 cm3 and a mass of 32.4 g is ________.

Accepted Answer

A)  0.0519
B)  19.3
C)  54.4
D)  0.0184
E)  32.4F) A) and D)
G) A) and C)

Question 13

________ significant figures should be retained in the result of the following calculation.

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  5F) A) and B)
G) None of the above

Question 14

There are ________ significant figures in the answer to the following computation:

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  5F) A) and C)
G) A) and E)

Question 15

________ is the abbreviation for the prefix milli-.

Accepted Answer

A)  k
B)  m
C)  M
D)  n
E)  dF) A) and D)
G) A) and E)

Question 16

The recommended adult dose of Elixophyllin 5" class="answers-bank-image d-inline" rel="preload" > ,a drug used to treat asthma,is 6.00 mg/kg of body mass.Calculate the dose in milligrams for a 134-lb person.

Accepted Answer

A)  10.1
B)  1773
C)  13.2
D)  365
E)  3.6 × 105F) C) and E)
G) All of the above

Question 17

Mass and volume are often referred to as ________ properties of substances.

Accepted Answer

The answer of Mass and volume are often referred to...

Question 18

A 210.lbs person is required to take a medication at a dose of 5.00 mg per kg of body weight twice a day.How much medication would the person take in a 24 hour period? (Indicate the number in proper scientific notation with the appropriate number of significant figures.)

Accepted Answer

A)  2.10 × 103
B)  1.05 × 103
C)  4.77 × 102
D)  9.55 × 102
E)  9.55 × 101F) B) and C)
G) B) and E)

Question 19

The correct result (indicating the proper number of significant figures) of the following calculation of the molecular mass for  4 × 15.9994 + 32.066 + 2 × 1.0079

Accepted Answer

A)  98.08
B)  98.079
C)  98.074
D)  98.838
E)  98.84F) A) and E)
G) A) and D)

Question 20

What decimal power does the abbreviation d represent?

Accepted Answer

A)  1 × 10-2
B)  10
C)  1 × 10-9
D)  1 × 10-1
E)  1 × 103F) A) and B)
G) C) and E)

Exam 1: Introduction: Matter, energy, and Measurement

There are ________ significant figures in the answer to the following computation:

Correct AnswerverifiedShow Answer

The symbol for the element platinum is ________.

Correct AnswerverifiedShow Answer

A wooden object has a mass of 10.782 g and occupies a volume of 13.72 mL.What is the density of the object determined to an appropriate number of significant figures?

Correct AnswerverifiedShow Answer

3.337 g/cm3 = ________ kg/m3

Correct AnswerverifiedShow Answer

The density (in g/cm3) of a gold nugget that has a volume of 1.68 cm3 and a mass of 32.4 g is ________.

Correct AnswerverifiedShow Answer

The recommended adult dose of Elixophyllin ,a drug used to treat asthma,is 6.00 mg/kg of body mass.Calculate the dose in milligrams for a 134-lb person.

Correct AnswerverifiedShow Answer

The correct result (indicating the proper number of significant figures) of the following calculation of the molecular mass for 4 × 15.9994 + 32.066 + 2 × 1.0079

Correct AnswerverifiedShow Answer

In the following list,only ________ is not an example of matter.

Correct AnswerverifiedShow Answer

Accuracy refers to ________.

Correct AnswerverifiedShow Answer

The density of silver is 10.5 g/cm3.A piece of silver that occupies a volume of 42.5 cm3 would have a mass of ________ g.

Correct AnswerverifiedShow Answer

A 210.lbs person is required to take a medication at a dose of 5.00 mg per kg of body weight twice a day.How much medication would the person take in a 24 hour period? (Indicate the number in proper scientific notation with the appropriate number of significant figures.)

Correct AnswerverifiedShow Answer

________ is the abbreviation for the prefix milli-.

Correct AnswerverifiedShow Answer

________ is the abbreviation for the prefix mega-.

Correct AnswerverifiedShow Answer

Mass and volume are often referred to as ________ properties of substances.

Correct AnswerverifiedShow Answer

Round the number 0.00637 to two significant figures.

Correct AnswerverifiedShow Answer

The correct answer (reported to the proper number of significant figures) to the following is ________. (2.01) (6.936) / 12 = ________

Correct AnswerverifiedShow Answer

________ significant figures should be retained in the result of the following calculation.

Correct AnswerverifiedShow Answer

If an object weighs 38.325 lbs,what would be the mass in grams? (2.20 lbs = 1 kg)

Correct AnswerverifiedShow Answer

A temperature of 100.°F is the same as ________ °C.

Correct AnswerverifiedShow Answer

What decimal power does the abbreviation d represent?

Correct AnswerverifiedShow Answer

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3.337 g/cm³= ________ kg/m³

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The density (in g/cm³) of a gold nugget that has a volume of 1.68 cm³ and a mass of 32.4 g is ________.

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The density of silver is 10.5 g/cm³.A piece of silver that occupies a volume of 42.5 cm³would have a mass of ________ g.

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The correct answer (reported to the proper number of significant figures) to the following is . (2.01) (6.936) / 12 =

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