Question 1

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) 2.019195 
A) 2.0192 
B) 2.0 
C) 2.019 
D) 2.02 
E) 2.019195 D

Question 2

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

Question 3

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

Question 4

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

Question 5

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 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

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 8

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

Question 9

Define matter.

Accepted Answer

Matter is anything t

Question 10

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. 
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.

Question 11

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 12

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. 
A) 10-2 liters. 
B) 10-3 liters. 
C) 10-6 liters. 
D) 10-9 liters. 
E) 10-12 liters.

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

Question 14

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

Question 15

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 g 
A) 2.0 g 
B) 4.0 g 
C) 5.1 g 
D) 508 g 
E) 400 g

Question 16

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

Accepted Answer

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

Question 17

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 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

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 102L 
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 102L

Question 20

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) 
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)

Exam 1: Chemistry: the Study of Change

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

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

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)

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)

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

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

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

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

Define matter.

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?

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

A microliter corresponds to:

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)

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?

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)

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

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

Convert 4.5 m3 to L

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

Atoms, Molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

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

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)

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)

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)

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)

Convert 4.5 m³ to L

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