Question 1

A methane molecule contains 1 atom of carbon.The number 1 represents how many significant figures?

Accepted Answer

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

Question 2

Convert 10,000 cm3 to m3.

Accepted Answer

A) 1 × 10-2 m3 
B) 1 × 102 m3 
C) 1 × 106 m3 
D) 1 × 1010 m3 
A) 1 × 10-2 m3 
B) 1 × 102 m3 
C) 1 × 106 m3 
D) 1 × 1010 m3

Question 3

All of the following are fundamental SI units except the

Accepted Answer

A) year. 
B) kilogram. 
C) mole. 
D) Kelvin. 
A) year. 
B) kilogram. 
C) mole. 
D) Kelvin.

Question 4

The nutritional calorie (abbreviated Cal)is equal to

Accepted Answer

A) 1 mcal. 
B) 4.184 J. 
C) 4.184 Mcal. 
D) 1 kcal. 
A) 1 mcal. 
B) 4.184 J. 
C) 4.184 Mcal. 
D) 1 kcal.

Question 5

The quantity 2.27 cm3 is the same as ________ mL.

Accepted Answer

Question 6

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 7

How many of the following numbers contain 3 significant figures? 0.509 1.050 0.0500 1.06 × 1024

Accepted Answer

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

Question 8

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 9

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 30.kilometers in Death Valley.

Accepted Answer

A) 8.8 L 
B) 35 L 
C) 91 L 
D) 140 L 
A) 8.8 L 
B) 35 L 
C) 91 L 
D) 140 L

Question 10

A certain liquid has a density of 1.25 g/cm3.Which drawing below most closely represents the volume of this liquid needed to obtain 5.00 g of the liquid?

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 11

Which is the largest amount of heat?

Accepted Answer

A) 547 cal 
B) 8.32 × 102 kcal 
C) 6.66 × 102 J 
D) 4.33 kJ 
A) 547 cal 
B) 8.32 × 102 kcal 
C) 6.66 × 102 J 
D) 4.33 kJ

Question 12

How many significant figures are there in the answer for the following problem? 23.1 + 0.5848 + 11 = ?

Accepted Answer

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

Question 13

When 1.0 gram of hydrogen reacts with 8.0 grams of oxygen 9.0 grams of water are produced and 142 kJ of heat are released.How many grams of hydrogen and how many grams of oxygen must react to produce 250 kJ of heat?

Accepted Answer

A) 0.57 g H2 and 4.5 g O2 
B) 0.57 g H2 and 14 g O2 
C) 1.8 g H2 and 4.5 g O2 
D) 1.8 g H2 and 14 g O2 
A) 0.57 g H2 and 4.5 g O2 
B) 0.57 g H2 and 14 g O2 
C) 1.8 g H2 and 4.5 g O2 
D) 1.8 g H2 and 14 g O2

Question 14

Without using a calculator,solve the following problem:

Accepted Answer

A) 1 × 10-6 
B) 1 × 104 
C) 1 × 1024 
D) 1 × 1034 
A) 1 × 10-6 
B) 1 × 104 
C) 1 × 1024 
D) 1 × 1034

A methane molecule contains 1 atom of carbon.The number 1 represents how many significant figures?

Convert 10,000 cm³ to m³.

All of the following are fundamental SI units except the

The nutritional calorie (abbreviated Cal)is equal to

The quantity 2.27 cm³ is the same as ________ mL.

Which has the least kinetic energy?

How many of the following numbers contain 3 significant figures? 0.509 1.050 0.0500 1.06 × 10²⁴

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

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 30.kilometers in Death Valley.

A certain liquid has a density of 1.25 g/cm³.Which drawing below most closely represents the volume of this liquid needed to obtain 5.00 g of the liquid?

Which is the largest amount of heat?

How many significant figures are there in the answer for the following problem? 23.1 + 0.5848 + 11 = ?

When 1.0 gram of hydrogen reacts with 8.0 grams of oxygen 9.0 grams of water are produced and 142 kJ of heat are released.How many grams of hydrogen and how many grams of oxygen must react to produce 250 kJ of heat?

Without using a calculator,solve the following problem:

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

Exam 1: Chemical Tools: Experimentation and Measurement

A methane molecule contains 1 atom of carbon.The number 1 represents how many significant figures?

Convert 10,000 cm3 to m3.

All of the following are fundamental SI units except the

The nutritional calorie (abbreviated Cal)is equal to

The quantity 2.27 cm3 is the same as ________ mL.

Which has the least kinetic energy?

How many of the following numbers contain 3 significant figures? 0.509 1.050 0.0500 1.06 × 1024

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

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 30.kilometers in Death Valley.

A certain liquid has a density of 1.25 g/cm3.Which drawing below most closely represents the volume of this liquid needed to obtain 5.00 g of the liquid?

Which is the largest amount of heat?

How many significant figures are there in the answer for the following problem? 23.1 + 0.5848 + 11 = ?

When 1.0 gram of hydrogen reacts with 8.0 grams of oxygen 9.0 grams of water are produced and 142 kJ of heat are released.How many grams of hydrogen and how many grams of oxygen must react to produce 250 kJ of heat?

Without using a calculator,solve the following problem:

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 10,000 cm³ to m³.

The quantity 2.27 cm³ is the same as ________ mL.

How many of the following numbers contain 3 significant figures? 0.509 1.050 0.0500 1.06 × 10²⁴

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

A certain liquid has a density of 1.25 g/cm³.Which drawing below most closely represents the volume of this liquid needed to obtain 5.00 g of the liquid?