Question 1

Pb is the symbol for the element ________.

Accepted Answer

The answer of Pb is the symbol for the element...

Question 2

Convert 100 cm3 to m3.

Accepted Answer

A) 1 × 10-4 m3 
B) 1 × 100 m3 
C) 1 × 104 m3 
D) 1 × 108 m3 
A) 1 × 10-4 m3 
B) 1 × 100 m3 
C) 1 × 104 m3 
D) 1 × 108 m3

Question 3

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 4

Which of the following elements has chemical properties similar to oxygen?

Accepted Answer

A) fluorine 
B) hydrogen 
C) nitrogen 
D) sulfur 
A) fluorine 
B) hydrogen 
C) nitrogen 
D) sulfur

Question 5

Which of the following elements has chemical properties similar to tellurium?

Accepted Answer

A) fluorine 
B) hydrogen 
C) nitrogen 
D) sulfur 
A) fluorine 
B) hydrogen 
C) nitrogen 
D) sulfur

Question 6

The temperature of 1.00 mL of water is raised by 1.00 oC for every 4.184 joules of heat absorbed by the water.How many liters of water can be raised from 21.0 oC to 100.0 oC by the absorption of 8.88 kcal of heat generated by the combustion of natural gas?

Accepted Answer

A) 0)112 L 
B) 2)13 L 
C) 37.2 L 
D) 168 L 
A) 0)112 L 
B) 2)13 L 
C) 37.2 L 
D) 168 L

Question 7

The element Se can be found in period ________ and group ________ of the periodic table.

Accepted Answer

The answer of The element Se can be found in...

Question 8

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 9

Calculate the kinetic energy of a 150-g baseball moving at a speed of 36.m/s ( 81 mph).

Accepted Answer

A) 5)4 J 
B) 9)7 × 101 J 
C) 5)4 × 103 J 
D) 9)7 × 104 J 
A) 5)4 J 
B) 9)7 × 101 J 
C) 5)4 × 103 J 
D) 9)7 × 104 J

Question 10

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 11

A piece of metal ore weighs 8.25 g.When a student places it into a graduated cylinder containing water,the liquid level rises from 21.25 mL to 26.47 mL.What is the density of the ore?

Accepted Answer

A) 0)312 g/mL 
B) 0)633 g/mL 
C) 1)58 g/mL 
D) 3)21 g/mL 
A) 0)312 g/mL 
B) 0)633 g/mL 
C) 1)58 g/mL 
D) 3)21 g/mL

Question 12

An interpretation of the results of many tests 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 13

The mass of a single zinc atom is 1.086 × 10-22 g.This is the same mass as

Accepted Answer

A) 1)086 × 10-16 mg. 
B) 1)086 × 10-25 kg. 
C) 1)086 × 10-28 μg. 
D) 1)086 × 10-31 ng. 
A) 1)086 × 10-16 mg. 
B) 1)086 × 10-25 kg. 
C) 1)086 × 10-28 μg. 
D) 1)086 × 10-31 ng.

Question 14

In a periodic table rows are called ________ and columns are called ________.

Accepted Answer

The answer of In a periodic table rows are called...

Question 15

What group of elements does the shaded area in the following periodic table indicate?

Accepted Answer

A) gases 
B) metals 
C) nonmetals 
D) semimetals 
A) gases 
B) metals 
C) nonmetals 
D) semimetals

Question 16

The factor 0.01 corresponds to which prefix?

Accepted Answer

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

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 density of lead is 11.3 g/cm3.The volume occupied by 227 g of lead is ________ cm3.

Accepted Answer

Question 19

You are visiting the planet Lagmom.The money exchange rates are shown below.How many Lagmom fizzbarts will you receive in exchange for $500 at the Lagmom Spaceport Currency Exchange counter?

Accepted Answer

A) 5)00 × 102 fizzbarts 
B) 1)00 × 103 fizzbarts 
C) 1)00 × 104 fizzbarts 
D) 5)00 × 105 fizzbarts 
A) 5)00 × 102 fizzbarts 
B) 1)00 × 103 fizzbarts 
C) 1)00 × 104 fizzbarts 
D) 5)00 × 105 fizzbarts

Question 20

Elements in a periodic group have similar

Accepted Answer

A) chemical properties. 
B) densities. 
C) masses. 
D) physical properties. 
A) chemical properties. 
B) densities. 
C) masses. 
D) physical properties.

Exam 1: Chemistry: Matter and Measurement

Pb is the symbol for the element ________.

Convert 100 cm3 to m3.

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 of the following elements has chemical properties similar to oxygen?

Which of the following elements has chemical properties similar to tellurium?

The temperature of 1.00 mL of water is raised by 1.00 oC for every 4.184 joules of heat absorbed by the water.How many liters of water can be raised from 21.0 oC to 100.0 oC by the absorption of 8.88 kcal of heat generated by the combustion of natural gas?

The element Se can be found in period ________ and group ________ of the periodic table.

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.

Calculate the kinetic energy of a 150-g baseball moving at a speed of 36.m/s ( 81 mph).

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?

A piece of metal ore weighs 8.25 g.When a student places it into a graduated cylinder containing water,the liquid level rises from 21.25 mL to 26.47 mL.What is the density of the ore?

An interpretation of the results of many tests is called

The mass of a single zinc atom is 1.086 × 10-22 g.This is the same mass as

In a periodic table rows are called ________ and columns are called ________.

What group of elements does the shaded area in the following periodic table indicate?

The factor 0.01 corresponds to which prefix?

Without using a calculator,solve the following problem:

The density of lead is 11.3 g/cm3.The volume occupied by 227 g of lead is ________ cm3.

You are visiting the planet Lagmom.The money exchange rates are shown below.How many Lagmom fizzbarts will you receive in exchange for $500 at the Lagmom Spaceport Currency Exchange counter?

Elements in a periodic group have similar

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

Convert 100 cm³ to m³.

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?

The temperature of 1.00 mL of water is raised by 1.00 ^oC for every 4.184 joules of heat absorbed by the water.How many liters of water can be raised from 21.0 ^oC to 100.0 ^oC by the absorption of 8.88 kcal of heat generated by the combustion of natural gas?

The element Se can be found in period and group of the periodic table.

The mass of a single zinc atom is 1.086 × 10^-22 g.This is the same mass as

In a periodic table rows are called and columns are called .

The density of lead is 11.3 g/cm³.The volume occupied by 227 g of lead is ________ cm³.