Question 1

Newspaper burning is an example of a physical property.

Accepted Answer

A) True 
 B)False

Question 2

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 * .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 3

What will be the cost of gasoline for a 4,700-mile automobile trip if the car gets 41 miles per gallon, and the average price of gas is $3.79 per gallon

Accepted Answer

A)  $410 
B)  $420 
C)  $430 
D)  $440 
E)  None of the above 
A)  $410 
B)  $420 
C)  $430 
D)  $440 
E)  None of the above

Question 4

Oxygen is an element.

Accepted Answer

A) True 
 B)False

Question 5

A centimeter corresponds to:

Accepted Answer

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

Question 6

Give the correct number of significant figures and units to the problem below. 56 mm + 4.5 m =

Accepted Answer

A)  61 mm 
B)  61 m 
C)  61 m2 
D)  4.6 m 
E)  4.56 m 
A)  61 mm 
B)  61 m 
C)  61 m2 
D)  4.6 m 
E)  4.56 m

Question 7

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 8

Choose the response that includes all the items listed below that are pure substances.
i. orange juice 
ii. steam
iii. ocean water
iv. oxygen
v. vegetable soup

Accepted Answer

A)  i, iii, v 
B)  ii, iv 
C)  i, iii, iv 
D)  iv only 
E)  all of them are pure 
A)  i, iii, v 
B)  ii, iv 
C)  i, iii, iv 
D)  iv only 
E)  all of them are pure

Question 9

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)

Question 10

The recommended daily allowance (RDA) of calcium is 1.2 g. Calcium carbonate contains 12.0% calcium by mass. How many grams of calcium carbonate are needed to provide the RDA of calcium

Accepted Answer

A)  0.10 g 
B)  0.14 g 
C)  1.2 g 
D)  10 g 
E)  14 g 
A)  0.10 g 
B)  0.14 g 
C)  1.2 g 
D)  10 g 
E)  14 g

Question 11

Convert 6.4 mm3 to mL.

Accepted Answer

A)  6.4 x 10-3 mL 
B)  6.4 x 10-1 mL 
C)  6.4 x 103 mL 
D)  6.4 x 10-2 mL 
E)  6.4 mL 
A)  6.4 x 10-3 mL 
B)  6.4 x 10-1 mL 
C)  6.4 x 103 mL 
D)  6.4 x 10-2 mL 
E)  6.4 mL

Question 12

The mass of a body varies according to the force of gravity exerted on the body.

Accepted Answer

A) True 
 B)False

Question 13

Of the following which is NOT a pure substance

Accepted Answer

A)  gold 
B)  sugar 
C)  water 
D)  air 
E)  methane 
A)  gold 
B)  sugar 
C)  water 
D)  air 
E)  methane

Question 14

The element gallium melts at 29.8$\circ$C. What temperature is this in $\circ$F

Accepted Answer

A)  -54.1$\circ$F 
B)  -7.8$\circ$F 
C)  +13.5$\circ$F 
D)  +51.3$\circ$F 
E)  +85.6$\circ$F 
A)  -54.1$\circ$F 
B)  -7.8$\circ$F 
C)  +13.5$\circ$F 
D)  +51.3$\circ$F 
E)  +85.6$\circ$F

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

A piece of a metal alloy with a mass of 114 g was placed into a graduated cylinder that contained 25.0 mL of water, raising the water level to 42.5 mL. What is the density of the metal

Accepted Answer

A)  0.154 g/cm3 
B)  0.592 g/cm3 
C)  2.68 g/cm3 
D)  6.51 g/cm3 
E)  7.25 g/cm3 
A)  0.154 g/cm3 
B)  0.592 g/cm3 
C)  2.68 g/cm3 
D)  6.51 g/cm3 
E)  7.25 g/cm3

Question 17

The lowest temperature that can be attained in units of $\circ$C (use 3 significant figures) is 273oC.

Accepted Answer

A) True 
 B)False

Question 18

Bromine is a red liquid at 25$\circ$C. Its density is 3.12 g/cm3. What is the volume of 28.1 g of liquid bromine

Accepted Answer

A)  87.7 cm3 
B)  0.111 cm3 
C)  9.01 cm3 
D)  28.1 cm3 
E)  None of the above 
A)  87.7 cm3 
B)  0.111 cm3 
C)  9.01 cm3 
D)  28.1 cm3 
E)  None of the above

Question 19

The Hope diamond weighs 44.0 carats. Determine the volume occupied by the diamond, given that its density is 3.5 g/cm3 at 20$\circ$C, and that 1 carat = 0.200 g.

Accepted Answer

A)  2.5 cm3 
B)  0.40 cm3 
C)  0.016 cm3 
D)  63 cm3 
E)  150 cm3 
A)  2.5 cm3 
B)  0.40 cm3 
C)  0.016 cm3 
D)  63 cm3 
E)  150 cm3

Question 20

You just measured a metal cylinder and obtained the following information: mass = 3.543 g
Diameter = 0.53 cm
Height = 4.4 cm
Determine the volume (V) and density of the cylinder. (V=$\pi$r2 h, where r = radius, h = height,$\pi$ = 3.14)

Accepted Answer

A)  Volume of the cylinder = 0.87 cm3; density of the cylinder = 2.7 g/cm3 
B)  Volume of the cylinder = 0.97 cm3; density of the cylinder = 3.7 g/cm3 
C)  Volume of the cylinder = 0.87 cm3; density of the cylinder = 3.7 g/cm3 
D)  Volume of the cylinder = 0.97 cm3; density of the cylinder = 2.7 g/cm3 
E)  None of the above have both the volume and density correctly reported 
A)  Volume of the cylinder = 0.87 cm3; density of the cylinder = 2.7 g/cm3 
B)  Volume of the cylinder = 0.97 cm3; density of the cylinder = 3.7 g/cm3 
C)  Volume of the cylinder = 0.87 cm3; density of the cylinder = 3.7 g/cm3 
D)  Volume of the cylinder = 0.97 cm3; density of the cylinder = 2.7 g/cm3 
E)  None of the above have both the volume and density correctly reported

Exam 1: Chemistry: The Study of Change

Newspaper burning is an example of a physical property.

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 * .0 ft * 1.0 ft cube of iridium (1 lb = 453.6 g)

What will be the cost of gasoline for a 4,700-mile automobile trip if the car gets 41 miles per gallon, and the average price of gas is $3.79 per gallon

Oxygen is an element.

A centimeter corresponds to:

Give the correct number of significant figures and units to the problem below. 56 mm + 4.5 m =

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)

Choose the response that includes all the items listed below that are pure substances. i. orange juice ii. steam iii. ocean water iv. oxygen v. vegetable soup

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

The recommended daily allowance (RDA) of calcium is 1.2 g. Calcium carbonate contains 12.0% calcium by mass. How many grams of calcium carbonate are needed to provide the RDA of calcium

Convert 6.4 mm3 to mL.

The mass of a body varies according to the force of gravity exerted on the body.

Of the following which is NOT a pure substance

The element gallium melts at 29.8 ∘\circ∘ C. What temperature is this in ∘\circ∘ F

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)

A piece of a metal alloy with a mass of 114 g was placed into a graduated cylinder that contained 25.0 mL of water, raising the water level to 42.5 mL. What is the density of the metal

The lowest temperature that can be attained in units of ∘\circ∘ C (use 3 significant figures) is 273oC.

Bromine is a red liquid at 25 ∘\circ∘ C. Its density is 3.12 g/cm3. What is the volume of 28.1 g of liquid bromine

The Hope diamond weighs 44.0 carats. Determine the volume occupied by the diamond, given that its density is 3.5 g/cm3 at 20 ∘\circ∘ C, and that 1 carat = 0.200 g.

You just measured a metal cylinder and obtained the following information: mass = 3.543 g Diameter = 0.53 cm Height = 4.4 cm Determine the volume (V) and density of the cylinder. (V= π\piπ r2 h, where r = radius, h = height, π\piπ = 3.14)

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

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 Metals Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

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 * .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)

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

Convert 6.4 mm³ to mL.

The element gallium melts at 29.8^$\circ$C. What temperature is this in ^$\circ$F

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)

The lowest temperature that can be attained in units of ^$\circ$C (use 3 significant figures) is 273^oC.

Bromine is a red liquid at 25^$\circ$C. Its density is 3.12 g/cm³. What is the volume of 28.1 g of liquid bromine

The Hope diamond weighs 44.0 carats. Determine the volume occupied by the diamond, given that its density is 3.5 g/cm³ at 20^$\circ$C, and that 1 carat = 0.200 g.

You just measured a metal cylinder and obtained the following information: mass = 3.543 g Diameter = 0.53 cm Height = 4.4 cm Determine the volume (V) and density of the cylinder. (V= $\pi$ r² h, where r = radius, h = height, $\pi$ = 3.14)