Question 1

Convert 17 m3 to liters.

Accepted Answer

A) 1.7 × 10-2 L 
B) 1.7 L 
C) 1.7 × 102 L 
D) 1.7 × 104 L 
A) 1.7 × 10-2 L 
B) 1.7 L 
C) 1.7 × 102 L 
D) 1.7 × 104 L

Question 2

Which of the following volumes is equal to 50 mL?

Accepted Answer

A) 50 cm3 
B) 50 dm3 
C) 0.50 L 
D) 0.00050 kL 
A) 50 cm3 
B) 50 dm3 
C) 0.50 L 
D) 0.00050 kL

Question 3

Using exponential notation,there are ________ bytes of memory are contained in a 2 TB external hard drive.

Accepted Answer

The answer of Using exponential notation,there are ________ bytes of...

Question 4

The difference between the boiling point and freezing point of water is 100°C,which is ________ kelvins.

Accepted Answer

The answer of The difference between the boiling point and...

Question 5

To the correct number of significant figures,an automobile traveling at 28 mi/h is traveling at ________ km/h (1 km = 0.6214 mi).

Accepted Answer

A) 17 
B) 17.40 
C) 45 
D) 45.06 
A) 17 
B) 17.40 
C) 45 
D) 45.06

Question 6

Liquids A,B,and C are insoluble in one another (i.e. ,they are immiscible).A,B,and C have densities of     and   respectively.Which drawing represents the result of placing all three liquids into the same graduated cylinder?

Accepted Answer

A) drawing (a) 
B) drawing (b) 
C) drawing (c) 
D) drawing (d) 
A) drawing (a) 
B) drawing (b) 
C) drawing (c) 
D) drawing (d)

Question 7

A certain solid has a density of 8.0 g/cm3.If 4.0 g of this solid are poured into 4.00 mL of water,which drawing below most closely represents the volume of water after the solid is added?

Accepted Answer

A) drawing (a) 
B) drawing (b) 
C) drawing (c) 
D) drawing (d) 
A) drawing (a) 
B) drawing (b) 
C) drawing (c) 
D) drawing (d)

Question 8

The measured mass of a sample of iron was 1.88 g.Which digit in the measurement has the least certainty?

Accepted Answer

A) the first digit,1 
B) the middle digit,8 
C) the last digit,8 
D) They are all certain digits. 
A) the first digit,1 
B) the middle digit,8 
C) the last digit,8 
D) They are all certain digits.

Question 9

The number of cm in 1.0 in is closest to

Accepted Answer

A) 1.0. 
B) 1.5. 
C) 2.0. 
D) 2.5. 
A) 1.0. 
B) 1.5. 
C) 2.0. 
D) 2.5.

Question 10

A gold ingot weighs 5.50 lbs.If the density of gold is 19.31 g/cm3,and the length and width of the ingot are 12.0 cm and 3.00 cm respectively,what is the height of the ingot?

Accepted Answer

A) 6.50 × 10-3 cm 
B) 3.59 cm 
C) 10.2 cm 
D) 1.34 × 103 cm 
A) 6.50 × 10-3 cm 
B) 3.59 cm 
C) 10.2 cm 
D) 1.34 × 103 cm

Question 11

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 12

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 13

A student weighed 9000.μg of sulfur in the lab.This is the same mass as

Accepted Answer

A) 9.000 × 10-6 g. 
B) 9.000 × 10-3 kg. 
C) 9.000 × 102 cg. 
D) 9.000 × 109 pg. 
A) 9.000 × 10-6 g. 
B) 9.000 × 10-3 kg. 
C) 9.000 × 102 cg. 
D) 9.000 × 109 pg.

Question 14

The mass of a proton is 1.67 × 10-27 kg.What is the mass of a proton in Megagrams?

Accepted Answer

A) 1.67 × 10-36 Mg 
B) 1.67 × 10-33 Mg 
C) 1.67 × 10-30 Mg 
D) 1.67 × 10-27 Mg 
A) 1.67 × 10-36 Mg 
B) 1.67 × 10-33 Mg 
C) 1.67 × 10-30 Mg 
D) 1.67 × 10-27 Mg

Question 15

When measuring a solid metal block at constant temperature,which measurement will change in numerical value depending on the location where it is taken?

Accepted Answer

A) length 
B) mass 
C) volume 
D) weight 
A) length 
B) mass 
C) volume 
D) weight

Question 16

Using exponential notation,there are ________ g in 1.5 mg.

Accepted Answer

The answer of Using exponential notation,there are ________ g in...

Question 17

Without using a calculator,solve the following problem:

Accepted Answer

A) 1 × 100 
B) 1 × 10-3 
C) 1 × 10-9 
D) 1 × 10-12 
A) 1 × 100 
B) 1 × 10-3 
C) 1 × 10-9 
D) 1 × 10-12

Question 18

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

Accepted Answer

A) 1.055 × 10-17 dg. 
B) 1.055 × 10-28 mg. 
C) 1.055 × 10-28 μg. 
D) 1.055 × 10-33 pg. 
A) 1.055 × 10-17 dg. 
B) 1.055 × 10-28 mg. 
C) 1.055 × 10-28 μg. 
D) 1.055 × 10-33 pg.

Question 19

Combustion of hydrogen releases 142 kJ per gram of hydrogen reacted.How many kilocalories of energy are released by the combustion of 16.0 ounces of hydrogen?

Accepted Answer

A) 1.31 kcal 
B) 19.2 kcal 
C) 1.54 × 104 kcal 
D) 2.69 × 105 kcal 
A) 1.31 kcal 
B) 19.2 kcal 
C) 1.54 × 104 kcal 
D) 2.69 × 105 kcal

Question 20

The thickness of a U.S.dime is approximately one

Accepted Answer

A) m. 
B) cm. 
C) mm. 
D) μm. 
A) m. 
B) cm. 
C) mm. 
D) μm.

Exam 1: Chemical Tools: Experimentation and Measurement

Convert 17 m3 to liters.

Which of the following volumes is equal to 50 mL?

Using exponential notation,there are ________ bytes of memory are contained in a 2 TB external hard drive.

The difference between the boiling point and freezing point of water is 100°C,which is ________ kelvins.

To the correct number of significant figures,an automobile traveling at 28 mi/h is traveling at ________ km/h (1 km = 0.6214 mi).

Liquids A,B,and C are insoluble in one another (i.e. ,they are immiscible).A,B,and C have densities of and respectively.Which drawing represents the result of placing all three liquids into the same graduated cylinder?

A certain solid has a density of 8.0 g/cm3.If 4.0 g of this solid are poured into 4.00 mL of water,which drawing below most closely represents the volume of water after the solid is added?

The measured mass of a sample of iron was 1.88 g.Which digit in the measurement has the least certainty?

The number of cm in 1.0 in is closest to

A gold ingot weighs 5.50 lbs.If the density of gold is 19.31 g/cm3,and the length and width of the ingot are 12.0 cm and 3.00 cm respectively,what is the height of the ingot?

What is the coldest temperature possible?

How many significant figures are there in the answer for the following problem? 23.1 + 0.5588 + 17 = ?

A student weighed 9000.μg of sulfur in the lab.This is the same mass as

The mass of a proton is 1.67 × 10-27 kg.What is the mass of a proton in Megagrams?

When measuring a solid metal block at constant temperature,which measurement will change in numerical value depending on the location where it is taken?

Using exponential notation,there are ________ g in 1.5 mg.

Without using a calculator,solve the following problem:

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

Combustion of hydrogen releases 142 kJ per gram of hydrogen reacted.How many kilocalories of energy are released by the combustion of 16.0 ounces of hydrogen?

The thickness of a U.S.dime is approximately one

Atoms, molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Periodicity and the Electronic Structure of Atoms

Ionic Compounds: Periodic Trends and Bonding

Covalent Bonding and Electron-Dot Structures

Covalent Compounds: Bonding Theories 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

Nuclear Chemistry

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

The Main-Group Elements

Connections to Organic and Biological Chemistry

Filters

Convert 17 m³ to liters.

A certain solid has a density of 8.0 g/cm³.If 4.0 g of this solid are poured into 4.00 mL of water,which drawing below most closely represents the volume of water after the solid is added?

A gold ingot weighs 5.50 lbs.If the density of gold is 19.31 g/cm³,and the length and width of the ingot are 12.0 cm and 3.00 cm respectively,what is the height of the ingot?

The mass of a proton is 1.67 × 10^-27 kg.What is the mass of a proton in Megagrams?

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