Question 1

20.9 kJ is equal to ________ kcal.

Accepted Answer

A) 5,000 
B) 5.00 
C) 873.6 
D) 20 
A) 5,000 
B) 5.00 
C) 873.6 
D) 20

Question 2

The equivalent of 68 °F is ________.

Accepted Answer

A) 37 °C 
B) 32 °C 
C) 25 °C 
D) 20 °C 
A) 37 °C 
B) 32 °C 
C) 25 °C 
D) 20 °C

Question 3

The prefix pico- indicates one billionth.

Accepted Answer

A) True 
 B)False

Question 4

J is the derived SI unit that measures joules (energy).

Accepted Answer

A) True 
 B)False

Question 5

A pound of feathers really does not weigh more than a pound of gold.

Accepted Answer

A) True 
 B)False

Question 6

The commonly quoted distance from the earth to the sun (93,000,000 miles)is accurate to only   miles.

Accepted Answer

A) True 
 B)False

Question 7

One Cal is equal to 1 kcal.

Accepted Answer

A) True 
 B)False

Question 8

Specific heat may be measured as cal. g/°C.

Accepted Answer

A) True 
 B)False

Question 9

There has never been recorded a negative Kelvin temperature.

Accepted Answer

A) True 
 B)False

Question 10

Which is the SI unit for time?

Accepted Answer

A) year 
B) day 
C) minute 
D) second 
A) year 
B) day 
C) minute 
D) second

Question 11

An aqueous salt solution may have a density that is less than 1g/mL.

Accepted Answer

A) True 
 B)False

Question 12

When 20.5 grams is divided by 15 mL, the correct answer should be reported as ________.

Accepted Answer

A) 1 g/mL 
B) 1.3 g/mL 
C) 1.4 g/mL 
D) 1.36 g/mL 
A) 1 g/mL 
B) 1.3 g/mL 
C) 1.4 g/mL 
D) 1.36 g/mL

Question 13

The units of density for a liquid are usually expressed as ________.

Accepted Answer

A) g/mL 
B) g/L 
C) mg/mL 
D) mg/L 
A) g/mL 
B) g/L 
C) mg/mL 
D) mg/L

Question 14

The number 0.0040600 has ________ trailing zeros.

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 6 
A) 0 
B) 1 
C) 2 
D) 6

Question 15

Which of the following is not a conversion factor?

Accepted Answer

A) speed 
B) density 
C) energy 
D) specific heat 
A) speed 
B) density 
C) energy 
D) specific heat

Question 16

Water is a good heat conductor.

Accepted Answer

A) True 
 B)False

Question 17

Specific gravity has no units.

Accepted Answer

A) True 
 B)False

Question 18

The correct scientific notation for 147.8 × 10-3 is ________.

Accepted Answer

A) 1.478 
B) 1478 × 10-4 
C) 1.478 × 10-1 
D) 1.478 × 10-5 
A) 1.478 
B) 1478 × 10-4 
C) 1.478 × 10-1 
D) 1.478 × 10-5

Question 19

If the speed limit is 120 km/hr, its equivalent in mi/hr is ________.

Accepted Answer

A) 75 
B) 192 
C) 133 
D) 210 
A) 75 
B) 192 
C) 133 
D) 210

Question 20

There are 1 million micrometers in 1 meter.

Accepted Answer

A) True 
 B)False

20.9 kJ is equal to ________ kcal.

The equivalent of 68 °F is ________.

The prefix pico- indicates one billionth.

J is the derived SI unit that measures joules (energy).

A pound of feathers really does not weigh more than a pound of gold.

The commonly quoted distance from the earth to the sun (93,000,000 miles)is accurate to only miles.

One Cal is equal to 1 kcal.

Specific heat may be measured as cal. g/°C.

There has never been recorded a negative Kelvin temperature.

Which is the SI unit for time?

An aqueous salt solution may have a density that is less than 1g/mL.

When 20.5 grams is divided by 15 mL, the correct answer should be reported as ________.

The units of density for a liquid are usually expressed as ________.

The number 0.0040600 has ________ trailing zeros.

Which of the following is not a conversion factor?

Water is a good heat conductor.

Specific gravity has no units.

The correct scientific notation for 147.8 × 10^-3 is ________.

If the speed limit is 120 km/hr, its equivalent in mi/hr is ________.

There are 1 million micrometers in 1 meter.

What Is Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 2: The Numerical Side of Chemistry

20.9 kJ is equal to ________ kcal.

The equivalent of 68 °F is ________.

The prefix pico- indicates one billionth.

J is the derived SI unit that measures joules (energy).

A pound of feathers really does not weigh more than a pound of gold.

The commonly quoted distance from the earth to the sun (93,000,000 miles)is accurate to only miles.

One Cal is equal to 1 kcal.

Specific heat may be measured as cal. g/°C.

There has never been recorded a negative Kelvin temperature.

Which is the SI unit for time?

An aqueous salt solution may have a density that is less than 1g/mL.

When 20.5 grams is divided by 15 mL, the correct answer should be reported as ________.

The units of density for a liquid are usually expressed as ________.

The number 0.0040600 has ________ trailing zeros.

Which of the following is not a conversion factor?

Water is a good heat conductor.

Specific gravity has no units.

The correct scientific notation for 147.8 × 10-3 is ________.

If the speed limit is 120 km/hr, its equivalent in mi/hr is ________.

There are 1 million micrometers in 1 meter.

What Is Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

The correct scientific notation for 147.8 × 10^-3 is ________.