Question 1

What symbol is used to represent the factor 101?

Accepted Answer

A) M 
B) da 
C) μ 
D) n 
A) M 
B) da 
C) μ 
D) n

Question 2

The nutritionist unit Calorie is equal to ________ calories.

Accepted Answer

The answer of The nutritionist unit Calorie is equal to...

Question 3

What is the coldest temperature possible?

Accepted Answer

A) 0°C 
B) 0°F 
C) 0 K 
D) None of these 
A) 0°C 
B) 0°F 
C) 0 K 
D) None of these

Question 4

The factor 10S1U1P1-3S1S1P0 corresponds to which prefix?

Accepted Answer

A) deka 
B) deci 
C) milli 
D) centi 
A) deka 
B) deci 
C) milli 
D) centi

Question 5

Each of the numbers in the following calculation represents a quantity measured by a student in the laboratory.
G = 0.0220 ×  × 12.0
After performing the calculation,the student's calculator appeared as shown below:
To the correct number of significant figures what is the value of g?

Accepted Answer

A) 6 × 10-3 
B) 6)0 × 10-3 
C) 6)00 × 10-3 
D) 6)000 × 10-3 
A) 6 × 10-3 
B) 6)0 × 10-3 
C) 6)00 × 10-3 
D) 6)000 × 10-3

Question 6

To the correct number of significant figures,what is the temperature reading on the following Celsius thermometer?

Accepted Answer

A) 21°C 
B) 21.7°C 
C) 21.70°C 
D) 22°C 
A) 21°C 
B) 21.7°C 
C) 21.70°C 
D) 22°C

Question 7

The mass of a single copper atom is 1.055 × 10-22 g.This is the same mass as

Accepted Answer

A) 1)055 × 10-16 mg. 
B) 1)055 × 10-25 kg. 
C) 1)055 × 10-28 μg. 
D) 1)055 × 10-31 ng. 
A) 1)055 × 10-16 mg. 
B) 1)055 × 10-25 kg. 
C) 1)055 × 10-28 μg. 
D) 1)055 × 10-31 ng.

Question 8

A motorcycle emits 9.5 g of carbon monoxide per kilometer driven.How many pounds of carbon monoxide does the motorcycle generate over 5.0 years if the motorcycle is driven 15,000 miles per year?

Accepted Answer

A) 8)9 × 101 lb CO 
B) 9)8 × 102 lb CO 
C) 2)5 × 103 lb CO 
D) 2)3 × 104 lb CO 
A) 8)9 × 101 lb CO 
B) 9)8 × 102 lb CO 
C) 2)5 × 103 lb CO 
D) 2)3 × 104 lb CO

Question 9

A consistent explanation of known observations is called

Accepted Answer

A) an experiment. 
B) a hypothesis. 
C) a prediction. 
D) a theory. 
A) an experiment. 
B) a hypothesis. 
C) a prediction. 
D) a theory.

Question 10

The density of mercury is 13.5 g/mL.What is the mass in kg of mercury that fills a 0.250-L flask?

Accepted Answer

A) 0)0540 kg 
B) 3)38 kg 
C) 54.0 kg 
D) 3380 kg 
A) 0)0540 kg 
B) 3)38 kg 
C) 54.0 kg 
D) 3380 kg

Question 11

A student weighed 3000.μg of sulfur in the lab.This is the same mass as

Accepted Answer

A) 3)000 × 10-6 g. 
B) 3)000 × 10-3 kg. 
C) 3)000 × 103 mg. 
D) 3)000 × 106 ng. 
A) 3)000 × 10-6 g. 
B) 3)000 × 10-3 kg. 
C) 3)000 × 103 mg. 
D) 3)000 × 106 ng.

Question 12

Which has the least kinetic energy?

Accepted Answer

A) A 1200 kg object moving at 90 km/hr 
B) A 1400 kg object moving at 85 km/hr 
C) A 1600 kg object moving at 80 km/hr 
D) A 1800 kg object moving at 75 km/hr 
A) A 1200 kg object moving at 90 km/hr 
B) A 1400 kg object moving at 85 km/hr 
C) A 1600 kg object moving at 80 km/hr 
D) A 1800 kg object moving at 75 km/hr

Question 13

How many of the following numbers contain 3 significant figures?
0)408 9.040 0.0 400 9.05 × 1024

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 14

Which of the following underlined items is not an intensive property?

Accepted Answer

A) A chemical reaction requires 3.00 g of oxygen. 
B) Solid copper hydroxide is blue colored. 
C) The density of helium at 25°C is 1.64 × 10-4 g/cm3. 
D) The melting point of aluminum metal is 933 K. 
A) A chemical reaction requires 3.00 g of oxygen. 
B) Solid copper hydroxide is blue colored. 
C) The density of helium at 25°C is 1.64 × 10-4 g/cm3. 
D) The melting point of aluminum metal is 933 K.

Question 15

Use the drawings below to answer the following questions.  
-If hitting the bull's-eye is the desired result,Figure (b)represents

Accepted Answer

A) good accuracy and good precision. 
B) good accuracy and poor precision. 
C) poor accuracy and good precision. 
D) poor accuracy and poor precision. 
A) good accuracy and good precision. 
B) good accuracy and poor precision. 
C) poor accuracy and good precision. 
D) poor accuracy and poor precision.

Question 16

Sodium is an example of an ________ metal that reacts with water to form hydrogen gas and an ________ solution.

Accepted Answer

alkali,alk

Question 17

The density of copper is 8.96 g/cm3.What is the mass in mg of a cube of copper that measures 2.31 mm on each side?

Accepted Answer

A) 0)0207 g 
B) 0)110 g 
C) 2)07 g 
D) 110 g 
A) 0)0207 g 
B) 0)110 g 
C) 2)07 g 
D) 110 g

Question 18

How many significant figures are there in the answer for the following problem?
23)1 + 0.5588 + 17 = ?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 19

Because of the high heat and low humidity in the summer in Death Valley,California,a visitor requires about one quart of water for every two miles traveled on foot.Calculate the approximate number of liters required for a person to walk 10.kilometers in Death Valley.

Accepted Answer

A) 2)9 L 
B) 12 L 
C) 30 L 
D) 47 L 
A) 2)9 L 
B) 12 L 
C) 30 L 
D) 47 L

Exam 1: Chemistry: Matter and Measurement

What symbol is used to represent the factor 101?

The nutritionist unit Calorie is equal to ________ calories.

What is the coldest temperature possible?

The factor 10-3 corresponds to which prefix?

Each of the numbers in the following calculation represents a quantity measured by a student in the laboratory. G = 0.0220 × × 12.0 After performing the calculation,the student's calculator appeared as shown below: To the correct number of significant figures what is the value of g?

To the correct number of significant figures,what is the temperature reading on the following Celsius thermometer?

The mass of a single copper atom is 1.055 × 10-22 g.This is the same mass as

A motorcycle emits 9.5 g of carbon monoxide per kilometer driven.How many pounds of carbon monoxide does the motorcycle generate over 5.0 years if the motorcycle is driven 15,000 miles per year?

A consistent explanation of known observations is called

The density of mercury is 13.5 g/mL.What is the mass in kg of mercury that fills a 0.250-L flask?

A student weighed 3000.μg of sulfur in the lab.This is the same mass as

Which has the least kinetic energy?

How many of the following numbers contain 3 significant figures? 0)408 9.040 0.0 400 9.05 × 1024

Which of the following underlined items is not an intensive property?

Use the drawings below to answer the following questions. -If hitting the bull's-eye is the desired result,Figure (b)represents

Sodium is an example of an ________ metal that reacts with water to form hydrogen gas and an ________ solution.

The density of copper is 8.96 g/cm3.What is the mass in mg of a cube of copper that measures 2.31 mm on each side?

How many significant figures are there in the answer for the following problem? 23)1 + 0.5588 + 17 = ?

Because of the high heat and low humidity in the summer in Death Valley,California,a visitor requires about one quart of water for every two miles traveled on foot.Calculate the approximate number of liters required for a person to walk 10.kilometers in Death Valley.

Atoms, molecules, and Ions

Formulas, equations, and Moles

Reactions in Aqueous Solutions

Periodicity and the Atomic Structure of Atoms

Ionic Bonds and Some Main-Group Chemistry

Covalent Bonds and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids,solids,and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Hydrogen, oxygen, and Water

The Main-Group Elements

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

Nuclear Chemistry

Organic and Biological Chemistry

Filters

What symbol is used to represent the factor 10¹?

The factor 10^-3 corresponds to which prefix?

The mass of a single copper atom is 1.055 × 10^-22 g.This is the same mass as

How many of the following numbers contain 3 significant figures? 0)408 9.040 0.0 400 9.05 × 10²⁴

Sodium is an example of an metal that reacts with water to form hydrogen gas and an solution.

The density of copper is 8.96 g/cm³.What is the mass in mg of a cube of copper that measures 2.31 mm on each side?