Question 1

One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl in water.In this mixture, 0.89% of the mass is contributed by the NaCl.What mass of NaCl is found in 450.mL of physiological saline? (Given: density of physiological saline = 1.005 g/cm3)

Accepted Answer

A)  2.0 g
B)  4.0 g
C)  5.1 g
D)  508 g
E)  400 gF) None of the above
G) A) and B)

Question 2

Classify the following as an element, a compound, or a mixture: Iced tea.

Accepted Answer

The answer of Classify the following as an element, a...

Question 3

Which of the following objects will sink when dropped into a bucket of water? (Given: density of water = 1.00 g/cm3)

Accepted Answer

A)  a cube of aluminum (density = 2.702 g/cm3) 
B)  a diamond (density = 3.51 g/cm3) 
C)  a chunk of dry ice (density = 1.56 g/cm3) 
D)  a chunk of sodium (density = 0.91 g/cm3) 
E)  a sphere of magnesium (density = 1.74 g/cm3) F) B) and C)
G) All of the above

Question 4

Define matter.

Accepted Answer

Matter is anything t...

Question 5

A spherical vessel (diameter = 2.00 cm) when empty has a mass of 2.00 g.What is the greatest volume of water that can be placed in the vessel and still have the vessel float at the surface of water? (Given: density of water = 1.00 g/cm3)

Accepted Answer

A)  2.00 mL
B)  31.5 mL
C)  2.19 mL
D)  4.19 mL
E)  the vessel will not float even when emptyF) B) and C)
G) B) and D) C

Question 6

Identify the following as a physical or chemical change: Hydrogen gas and nitrogen gas are combined to form ammonia gas.

Accepted Answer

The answer of Identify the following as a physical or...

Question 7

A microliter corresponds to:

Accepted Answer

A)  10-2 liters.
B)  10-3 liters.
C)  10-6 liters.
D)  10-9 liters.
E)  10-12 liters.F) A) and D)
G) None of the above

Question 8

Using the arithmetic problem below, determine the correct number of significant figures. (1.5 × 10-4 × 61.3) + 2.01 =

Accepted Answer

A)  2.0192
B)  2.0
C)  2.019
D)  2.02
E)  2.019195F) C) and D)
G) None of the above D

Question 9

Classify the following as a mixture, a compound, or an element: Milk.

Accepted Answer

The answer of Classify the following as a mixture, a...

Question 10

An archeologist finds a huge monolith in the desert.In order to estimate the weight of this object; he estimates the dimensions of the monolith and removes some chips from the rock with his hammer, collecting the following data:
dimensions of the monolith = 1.5 m × 5.2 m × 13 m
mass of rock chips = 41.73 g
volume of rock chips = 15.2 cm3
 Determine the mass of the monolith in pounds, assuming it is of uniform composition.(1 lb = 453.6 g)

Accepted Answer

Question 11

A concise verbal or mathematical statement of a relationship between phenomena that is always the same under the same conditions is referred to as

Accepted Answer

A)  a hypothesis.
B)  a law.
C)  a theory.
D)  none of the above.E) B) and C)
F) A) and B)

Question 12

A long course triathlon entails a 2.0 mile swim, an 85.5 mile bike ride and a 15.0 mile run.What is the total distance in kilometers for the triathlon?

Accepted Answer

A)  160 km
B)  165 km
C)  103 km
D)  164.9 km
E)  102.5 kmF) C) and D)
G) A) and B)

Question 13

The density of mercury is 13.6 g/cm3.What volume (in quarts) is occupied by 100.g of Hg? (1 L = 1.06 qt)

Accepted Answer

A)  144 qt
B)  7.35 qt
C)  7.79 qt
D)  7.79 × 10-3 qt
E)  1.44 × 10-4 qtF) C) and D)
G) B) and E)

Question 14

Classify the following as an intensive or an extensive property: Length

Accepted Answer

The answer of Classify the following as an intensive or...

Question 15

An aluminum beverage can contain 12.0 fluid ounces of liquid.Express this volume in liters.(1 fl oz = 29.6 mL)

Accepted Answer

A)  4.07 × 10-2 L
B)  0.355 L
C)  0.407 L
D)  2.46 L
E)  3.55 × 102 LF) A) and D)
G) C) and E) A

Question 16

Identify the following as a physical or chemical change: Formation of snowflakes.

Accepted Answer

The answer of Identify the following as a physical or...

Question 17

Iridium is essentially tied with osmium for the distinction of being called the "densest element" with a density of 22.5 g/cm3.What would be the mass in pounds of a 1.0 ft × 1.0 ft × 1.0 ft cube of iridium.(1 lb = 453.6 g)

Accepted Answer

A)  1.5 lb
B)  5.2 lb
C)  6.20 lb
D)  1.4 × 103 lb
E)  6.4 × 105 lbF) A) and D)
G) C) and E)

Question 18

Classify the following as a pure substance or a mixture: Seven-Up®.

Accepted Answer

The answer of Classify the following as a pure substance...

Question 19

The city of Los Angeles is now approximately 2400 miles south of Alaska.It is moving slowly northward as the San Andreas fault slides along.If Los Angeles is to arrive near Anchorage, Alaska, in 76 million years, at what average rate will it have to move in mm per month?

Accepted Answer

A)  2.0 × 10-10 mm/mo.
B)  6.6 × 10-6 mm/mo.
C)  4.2 mm/mo.
D)  9.5 mm/mo.
E)  51 mm/mo.F) C) and D)
G) B) and E)

Question 20

Convert 4.5 m3 to L

Accepted Answer

A)  4.5 x 10-1 L
B)  4.5 x 101 L
C)  4.5 x 10-3 L
D)  4.5x103 L
E)  4.5 x 102LF) A) and B)
G) C) and D)

Exam 1: Chemistry: the Study of Change

One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl in water.In this mixture, 0.89% of the mass is contributed by the NaCl.What mass of NaCl is found in 450.mL of physiological saline? (Given: density of physiological saline = 1.005 g/cm³)

Correct Answer
verified

Classify the following as an element, a compound, or a mixture: Iced tea.

Correct Answer
verified

Which of the following objects will sink when dropped into a bucket of water? (Given: density of water = 1.00 g/cm³)

Correct Answer
verified

Define matter.

Correct Answer
verified
Matter is anything t...
View Answer

A spherical vessel (diameter = 2.00 cm) when empty has a mass of 2.00 g.What is the greatest volume of water that can be placed in the vessel and still have the vessel float at the surface of water? (Given: density of water = 1.00 g/cm³)

Correct Answer
verified
C

Identify the following as a physical or chemical change: Hydrogen gas and nitrogen gas are combined to form ammonia gas.

Correct Answer
verified

A microliter corresponds to:

Correct Answer
verified

Using the arithmetic problem below, determine the correct number of significant figures. (1.5 × 10^-4 × 61.3) + 2.01 =

Correct Answer
verified
D

Classify the following as a mixture, a compound, or an element: Milk.

Correct Answer
verified

Correct Answer
verified

A concise verbal or mathematical statement of a relationship between phenomena that is always the same under the same conditions is referred to as

Correct Answer
verified

A long course triathlon entails a 2.0 mile swim, an 85.5 mile bike ride and a 15.0 mile run.What is the total distance in kilometers for the triathlon?

Correct Answer
verified

The density of mercury is 13.6 g/cm³.What volume (in quarts) is occupied by 100.g of Hg? (1 L = 1.06 qt)

Correct Answer
verified

Classify the following as an intensive or an extensive property: Length

Correct Answer
verified

An aluminum beverage can contain 12.0 fluid ounces of liquid.Express this volume in liters.(1 fl oz = 29.6 mL)

Correct Answer
verified
A

Identify the following as a physical or chemical change: Formation of snowflakes.

Correct Answer
verified

Iridium is essentially tied with osmium for the distinction of being called the "densest element" with a density of 22.5 g/cm³.What would be the mass in pounds of a 1.0 ft × 1.0 ft × 1.0 ft cube of iridium.(1 lb = 453.6 g)

Correct Answer
verified

Classify the following as a pure substance or a mixture: Seven-Up®.

Correct Answer
verified

The city of Los Angeles is now approximately 2400 miles south of Alaska.It is moving slowly northward as the San Andreas fault slides along.If Los Angeles is to arrive near Anchorage, Alaska, in 76 million years, at what average rate will it have to move in mm per month?

Correct Answer
verified

Convert 4.5 m³ to L

Correct Answer
verified

Exam 1: Chemistry: the Study of Change

One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl in water.In this mixture, 0.89% of the mass is contributed by the NaCl.What mass of NaCl is found in 450.mL of physiological saline? (Given: density of physiological saline = 1.005 g/cm3)

Correct AnswerverifiedShow Answer

Classify the following as an element, a compound, or a mixture: Iced tea.

Correct AnswerverifiedShow Answer

Which of the following objects will sink when dropped into a bucket of water? (Given: density of water = 1.00 g/cm3)

Correct AnswerverifiedShow Answer

Define matter.

Correct AnswerverifiedMatter is anything t...View AnswerShow Answer

A spherical vessel (diameter = 2.00 cm) when empty has a mass of 2.00 g.What is the greatest volume of water that can be placed in the vessel and still have the vessel float at the surface of water? (Given: density of water = 1.00 g/cm3)

Correct AnswerverifiedC

Identify the following as a physical or chemical change: Hydrogen gas and nitrogen gas are combined to form ammonia gas.

Correct AnswerverifiedShow Answer

A microliter corresponds to:

Correct AnswerverifiedShow Answer

Using the arithmetic problem below, determine the correct number of significant figures. (1.5 × 10-4 × 61.3) + 2.01 =

Correct AnswerverifiedD

Classify the following as a mixture, a compound, or an element: Milk.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A concise verbal or mathematical statement of a relationship between phenomena that is always the same under the same conditions is referred to as

Correct AnswerverifiedShow Answer

A long course triathlon entails a 2.0 mile swim, an 85.5 mile bike ride and a 15.0 mile run.What is the total distance in kilometers for the triathlon?

Correct AnswerverifiedShow Answer

The density of mercury is 13.6 g/cm3.What volume (in quarts) is occupied by 100.g of Hg? (1 L = 1.06 qt)

Correct AnswerverifiedShow Answer

Classify the following as an intensive or an extensive property: Length

Correct AnswerverifiedShow Answer

An aluminum beverage can contain 12.0 fluid ounces of liquid.Express this volume in liters.(1 fl oz = 29.6 mL)

Correct AnswerverifiedA

Identify the following as a physical or chemical change: Formation of snowflakes.

Correct AnswerverifiedShow Answer

Iridium is essentially tied with osmium for the distinction of being called the "densest element" with a density of 22.5 g/cm3.What would be the mass in pounds of a 1.0 ft × 1.0 ft × 1.0 ft cube of iridium.(1 lb = 453.6 g)

Correct AnswerverifiedShow Answer

Classify the following as a pure substance or a mixture: Seven-Up®.

Correct AnswerverifiedShow Answer

The city of Los Angeles is now approximately 2400 miles south of Alaska.It is moving slowly northward as the San Andreas fault slides along.If Los Angeles is to arrive near Anchorage, Alaska, in 76 million years, at what average rate will it have to move in mm per month?

Correct AnswerverifiedShow Answer

Convert 4.5 m3 to L

Correct AnswerverifiedShow Answer

One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl in water.In this mixture, 0.89% of the mass is contributed by the NaCl.What mass of NaCl is found in 450.mL of physiological saline? (Given: density of physiological saline = 1.005 g/cm³)

Correct Answer
verified

Correct Answer
verified

Which of the following objects will sink when dropped into a bucket of water? (Given: density of water = 1.00 g/cm³)

Correct Answer
verified

Correct Answer
verified
Matter is anything t...
View Answer

A spherical vessel (diameter = 2.00 cm) when empty has a mass of 2.00 g.What is the greatest volume of water that can be placed in the vessel and still have the vessel float at the surface of water? (Given: density of water = 1.00 g/cm³)

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Using the arithmetic problem below, determine the correct number of significant figures. (1.5 × 10^-4 × 61.3) + 2.01 =

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The density of mercury is 13.6 g/cm³.What volume (in quarts) is occupied by 100.g of Hg? (1 L = 1.06 qt)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Iridium is essentially tied with osmium for the distinction of being called the "densest element" with a density of 22.5 g/cm³.What would be the mass in pounds of a 1.0 ft × 1.0 ft × 1.0 ft cube of iridium.(1 lb = 453.6 g)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Convert 4.5 m³ to L

Correct Answer
verified