Question 1

If the density of aluminum is 2.70 g/ cm3, the mass of 10.0 cm3 of this material is ________.

Accepted Answer

A)  27.0 g 
B)  2.70 g 
C)  3.70 g 
D)  0.270 g 
A)  27.0 g 
B)  2.70 g 
C)  3.70 g 
D)  0.270 g

Question 2

Match the  units  with there measurement from the folowing.
-qt

Accepted Answer

A) time 
B) energy 
C) electrical charge 
D) mass 
E) length
F)volume
G)temperature
H)density 
A) time 
B) energy 
C) electrical charge 
D) mass 
E) length
F)volume
G)temperature
H)density

Question 3

Which is the SI unit for length?

Accepted Answer

A)  meter 
B)  inch 
C)  kilometer 
D)  mile 
A)  meter 
B)  inch 
C)  kilometer 
D)  mile

Question 4

Salt water has a density that is less than 1 g/mL.

Accepted Answer

A) True 
 B)False

Question 5

Match the exponentials with there prefix .
-pico-

Accepted Answer

A) 10+3 
B) 10-1 
C) 10+9 
D) 10-12 
E) 10-3
F)10+6
G)10-6
H)10-9
I)10-2 
A) 10+3 
B) 10-1 
C) 10+9 
D) 10-12 
E) 10-3
F)10+6
G)10-6
H)10-9
I)10-2

Question 6

Using the rules of significant figures, calculate the following: 14.8903 - 2.14 =

Accepted Answer

A)  12.750 
B)  12.75 
C)  13 
D)  12.7503 
E)  12 
A)  12.750 
B)  12.75 
C)  13 
D)  12.7503 
E)  12

Question 7

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 8

Match each temperature with there equivalent different scale temperature .
-0 °C

Accepted Answer

A) 0. °C 
B) 280 K 
C) 68 °F 
D) 100. °C 
E) -40 °F
F)32 °F
G)98.6 °F
H)-273 °C
I)-17.8 °C 
A) 0. °C 
B) 280 K 
C) 68 °F 
D) 100. °C 
E) -40 °F
F)32 °F
G)98.6 °F
H)-273 °C
I)-17.8 °C

Question 9

Leading zeros are all the zeros that follow the first non-zero digit.

Accepted Answer

A) True 
 B)False

Question 10

The Kelvin temperature is not always higher than the equivalent Celsius temperature.

Accepted Answer

A) True 
 B)False

Question 11

164.0 g of a substance occupy a volume of 120.0 mL. In relation to water, which statement is true?

Accepted Answer

A)  The substance will float in water. 
B)  The substance will sink in water. 
C)  The substance will react with water. 
D)  The substance is a metal. 
A)  The substance will float in water. 
B)  The substance will sink in water. 
C)  The substance will react with water. 
D)  The substance is a metal.

Question 12

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 13

Match the  units  with there measurement from the folowing.
-Joule

Accepted Answer

A) time 
B) energy 
C) electrical charge 
D) mass 
E) length
F)volume
G)temperature
H)density 
A) time 
B) energy 
C) electrical charge 
D) mass 
E) length
F)volume
G)temperature
H)density

Question 14

Oil "floats" on water because oil is less dense than water.

Accepted Answer

A) True 
 B)False

Question 15

Coulomb is the derived SI unit that measures electrical charge.

Accepted Answer

A) True 
 B)False

Question 16

The fact that ice has a lower density than liquid water is advantageous to marine life.

Accepted Answer

A) True 
 B)False

Question 17

1 kilowatt is equal to 10,000 watts.

Accepted Answer

A) True 
 B)False

Question 18

The dietary energy requirement for an adult is 2000 kcal per day. This is equivalent to ________.

Accepted Answer

A)  478 J 
B)  8.37 J 
C)  47.8 kJ 
D)  8.37 × 103 kJ 
A)  478 J 
B)  8.37 J 
C)  47.8 kJ 
D)  8.37 × 103 kJ

Question 19

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 20

Match each temperature with there equivalent different scale temperature .
-40. °F

Accepted Answer

A) 0. °C 
B) 280 K 
C) 68 °F 
D) 100. °C 
E) -40 °F
F)32 °F
G)98.6 °F
H)-273 °C
I)-17.8 °C 
A) 0. °C 
B) 280 K 
C) 68 °F 
D) 100. °C 
E) -40 °F
F)32 °F
G)98.6 °F
H)-273 °C
I)-17.8 °C

If the density of aluminum is 2.70 g/ cm³, the mass of 10.0 cm³ of this material is ________.

Match the units with there measurement from the folowing. -qt

Which is the SI unit for length?

Salt water has a density that is less than 1 g/mL.

Match the exponentials with there prefix . -pico-

Using the rules of significant figures, calculate the following: 14.8903 - 2.14 =

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

Match each temperature with there equivalent different scale temperature . -0 °C

Leading zeros are all the zeros that follow the first non-zero digit.

The Kelvin temperature is not always higher than the equivalent Celsius temperature.

164.0 g of a substance occupy a volume of 120.0 mL. In relation to water, which statement is true?

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

Match the units with there measurement from the folowing. -Joule

Oil "floats" on water because oil is less dense than water.

Coulomb is the derived SI unit that measures electrical charge.

The fact that ice has a lower density than liquid water is advantageous to marine life.

1 kilowatt is equal to 10,000 watts.

The dietary energy requirement for an adult is 2000 kcal per day. This is equivalent to ________.

Which is the SI unit for time?

Match each temperature with there equivalent different scale temperature . -40. °F

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

If the density of aluminum is 2.70 g/ cm3, the mass of 10.0 cm3 of this material is ________.

Match the units with there measurement from the folowing. -qt

Which is the SI unit for length?

Salt water has a density that is less than 1 g/mL.

Match the exponentials with there prefix . -pico-

Using the rules of significant figures, calculate the following: 14.8903 - 2.14 =

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

Match each temperature with there equivalent different scale temperature . -0 °C

Leading zeros are all the zeros that follow the first non-zero digit.

The Kelvin temperature is not always higher than the equivalent Celsius temperature.

164.0 g of a substance occupy a volume of 120.0 mL. In relation to water, which statement is true?

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

Match the units with there measurement from the folowing. -Joule

Oil "floats" on water because oil is less dense than water.

Coulomb is the derived SI unit that measures electrical charge.

The fact that ice has a lower density than liquid water is advantageous to marine life.

1 kilowatt is equal to 10,000 watts.

The dietary energy requirement for an adult is 2000 kcal per day. This is equivalent to ________.

Which is the SI unit for time?

Match each temperature with there equivalent different scale temperature . -40. °F

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

If the density of aluminum is 2.70 g/ cm³, the mass of 10.0 cm³ of this material is ________.