Question 1

Which of the following is not a solution?

Accepted Answer

A)  red wine 
B)  alcohol in water 
C)  brass 
D)  air 
E)  ice in water 
A)  red wine 
B)  alcohol in water 
C)  brass 
D)  air 
E)  ice in water

Question 2

Which characteristic below best fits the description of a solid?

Accepted Answer

A)  large distances between the molecules 
B)  molecules that are close together but are moving past one another 
C)  highly disordered molecules 
D)  rapid molecular motion 
E)  highly ordered molecules 
A)  large distances between the molecules 
B)  molecules that are close together but are moving past one another 
C)  highly disordered molecules 
D)  rapid molecular motion 
E)  highly ordered molecules

Question 3

Burning of hydrogen fuel is a(n) _____________ change.

Accepted Answer

The answer of Burning of hydrogen fuel is a(n) _____________...

Question 4

All of the following properties of a substance can aid in its identification except:

Accepted Answer

A)  density. 
B)  temperature. 
C)  reactivity. 
D)  melting point. 
E)  boiling point. 
A)  density. 
B)  temperature. 
C)  reactivity. 
D)  melting point. 
E)  boiling point.

Question 5

On an average day in February, the temperature at noon in Wisconsin is most likely to be:

Accepted Answer

A)  -30°C 
B)  0°C 
C)  30°C 
D)  60°C 
E)  100°C 
A)  -30°C 
B)  0°C 
C)  30°C 
D)  60°C 
E)  100°C

Question 6

A mixture that is nonuniform in composition is a(n) _____________ mixture.

Accepted Answer

The answer of A mixture that is nonuniform in composition...

Question 7

Which of the following is not part of Dalton's Atomic Theory?

Accepted Answer

A)  Matter is not created nor destroyed in a chemical reaction; the molecular arrangements are changed. 
B)  An atom of one element can be chemically transformed into a different type of atom. 
C)  Atoms of different elements combine in whole number quantities. 
D)  Atoms of a given element have the same mass. 
E)  Atoms of different elements have different masses. 
A)  Matter is not created nor destroyed in a chemical reaction; the molecular arrangements are changed. 
B)  An atom of one element can be chemically transformed into a different type of atom. 
C)  Atoms of different elements combine in whole number quantities. 
D)  Atoms of a given element have the same mass. 
E)  Atoms of different elements have different masses.

Question 8

What is a statement summarizing a group of scientific facts called?

Accepted Answer

A)  law 
B)  theory 
C)  model 
D)  qualitative statement 
E)  hypothesis 
A)  law 
B)  theory 
C)  model 
D)  qualitative statement 
E)  hypothesis

Question 9

Table sugar melts at 366°F. Correctly estimating this temperature in Celsius yields:

Accepted Answer

A)  334°C 
B)  221°C 
C)  203°C 
D)  186°C 
E)  171°C 
A)  334°C 
B)  221°C 
C)  203°C 
D)  186°C 
E)  171°C

Question 10

Which of the following substances is homogeneous?

Accepted Answer

A)  wood 
B)  a jelly bean 
C)  vegetable soup 
D)  salt dissolved in water 
E)  a mirror 
A)  wood 
B)  a jelly bean 
C)  vegetable soup 
D)  salt dissolved in water 
E)  a mirror

Question 11

Combining two hydrogen atoms with one oxygen atom yields water while combining two hydrogen atoms with two oxygen atoms yields hydrogen peroxide. This is an example of:

Accepted Answer

A)  The Law of Conservation of Mass. 
B)  Dalton's Atomic Theory. 
C)  The Law of Constant Composition. 
D)  The Law of Multiple Proportion. 
E)  The Law of Conservation of Energy. 
A)  The Law of Conservation of Mass. 
B)  Dalton's Atomic Theory. 
C)  The Law of Constant Composition. 
D)  The Law of Multiple Proportion. 
E)  The Law of Conservation of Energy.

Question 12

Which of the following is not the symbol of an element?

Accepted Answer

A)  At 
B)  Kr 
C)  Fr 
D)  Os 
E)  Rx 
A)  At 
B)  Kr 
C)  Fr 
D)  Os 
E)  Rx

Question 13

Which of the following does not occur when ice melts?

Accepted Answer

A)  Its molecular composition changes. 
B)  The arrangement of molecules changes. 
C)  The speed of the molecules changes. 
D)  Its density changes. 
E)  Its shape changes. 
A)  Its molecular composition changes. 
B)  The arrangement of molecules changes. 
C)  The speed of the molecules changes. 
D)  Its density changes. 
E)  Its shape changes.

Question 14

Which of the following describes a chemical change?

Accepted Answer

A)  Ethanol is a clear, colorless liquid. 
B)  Ethanol can be produced by the fermentation of grapes. 
C)  Ethanol evaporates quickly at room temperature. 
D)  Ethanol has a high heat capacity. 
E)  Ethanol boils when heated. 
A)  Ethanol is a clear, colorless liquid. 
B)  Ethanol can be produced by the fermentation of grapes. 
C)  Ethanol evaporates quickly at room temperature. 
D)  Ethanol has a high heat capacity. 
E)  Ethanol boils when heated.

Question 15

In a chemical reaction, 23.2 g of mercury oxide is broken down to yield 20 g of mercury and 3.2 g of oxygen gas. This is an example of:

Accepted Answer

A)  The Law of Conservation of Mass. 
B)  The Law of Multiple Proportion. 
C)  The Law of Conservation of Energy. 
D)  Dalton's Atomic Theory. 
E)  The Law of Constant Composition. 
A)  The Law of Conservation of Mass. 
B)  The Law of Multiple Proportion. 
C)  The Law of Conservation of Energy. 
D)  Dalton's Atomic Theory. 
E)  The Law of Constant Composition.

Question 16

A sample of gold has a mass of 63.49 g. What is its volume? (Density of gold = 19.3 g/mL)

Accepted Answer

A)  1225 mL 
B)  63.5 mL 
C)  44.2 mL 
D)  3.29 mL 
E)  0.304 mL 
A)  1225 mL 
B)  63.5 mL 
C)  44.2 mL 
D)  3.29 mL 
E)  0.304 mL

Question 17

Ethanol contains 2 carbons, 6 hydrogens, 1 oxygen. Write its chemical formula.

Accepted Answer

The answer of Ethanol contains 2 carbons, 6 hydrogens, 1...

Question 18

Which characteristic below best fits the description of a liquid?

Accepted Answer

A)  rapid molecular motion 
B)  highly disordered molecules 
C)  large distances between the molecules 
D)  molecules that are close together but are moving past one another 
E)  highly ordered molecules 
A)  rapid molecular motion 
B)  highly disordered molecules 
C)  large distances between the molecules 
D)  molecules that are close together but are moving past one another 
E)  highly ordered molecules

Question 19

Which of the following is a chemical property of iron?

Accepted Answer

A)  Iron conducts heat. 
B)  Iron conducts electricity. 
C)  Iron melts at 1535°C. 
D)  Iron can be bent into shapes. 
E)  Iron rusts on exposure to water and oxygen. 
A)  Iron conducts heat. 
B)  Iron conducts electricity. 
C)  Iron melts at 1535°C. 
D)  Iron can be bent into shapes. 
E)  Iron rusts on exposure to water and oxygen.

Question 20

Which of the following is both a quantitative and a qualitative statement?

Accepted Answer

A)  The reaction produced 112 g of a pure white solid. 
B)  The compound has a mass of 14.62 g. 
C)  The compound formed pale yellow crystals. 
D)  The drug is 92.5% pure. 
E)  The compound melted. 
A)  The reaction produced 112 g of a pure white solid. 
B)  The compound has a mass of 14.62 g. 
C)  The compound formed pale yellow crystals. 
D)  The drug is 92.5% pure. 
E)  The compound melted.

Which of the following is not a solution?

Which characteristic below best fits the description of a solid?

Burning of hydrogen fuel is a(n) _____________ change.

All of the following properties of a substance can aid in its identification except:

On an average day in February, the temperature at noon in Wisconsin is most likely to be:

A mixture that is nonuniform in composition is a(n) _____________ mixture.

Which of the following is not part of Dalton's Atomic Theory?

What is a statement summarizing a group of scientific facts called?

Table sugar melts at 366°F. Correctly estimating this temperature in Celsius yields:

Which of the following substances is homogeneous?

Combining two hydrogen atoms with one oxygen atom yields water while combining two hydrogen atoms with two oxygen atoms yields hydrogen peroxide. This is an example of:

Which of the following is not the symbol of an element?

Which of the following does not occur when ice melts?

Which of the following describes a chemical change?

In a chemical reaction, 23.2 g of mercury oxide is broken down to yield 20 g of mercury and 3.2 g of oxygen gas. This is an example of:

A sample of gold has a mass of 63.49 g. What is its volume? (Density of gold = 19.3 g/mL)

Ethanol contains 2 carbons, 6 hydrogens, 1 oxygen. Write its chemical formula.

Which characteristic below best fits the description of a liquid?

Which of the following is a chemical property of iron?

Which of the following is both a quantitative and a qualitative statement?

Atoms and Elements

Chemical Compounds

Quantities of Reactants and Products

Chemical Reactions

Energy and Chemical Reactions

Electron Configurations and the Periodic Table

Covalent Bonding

Molecular Structure

Gases and the Atmosphere

Liquids, Solids, and Materials

Chemical Kinetics: Rates of Reactions

Chemical Equilibrium

The Chemistry of Solutes and Solutions

Acids and Bases

Additional Aqueous Equilibria

Thermodynamics: Directionality of Chemical Reactions

Electrochemistry and Its Applications

Nuclear Chemistry

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Exam 1: The Nature of Chemistry

Which of the following is not a solution?

Which characteristic below best fits the description of a solid?

Burning of hydrogen fuel is a(n) _____________ change.

All of the following properties of a substance can aid in its identification except:

On an average day in February, the temperature at noon in Wisconsin is most likely to be:

A mixture that is nonuniform in composition is a(n) _____________ mixture.

Which of the following is not part of Dalton's Atomic Theory?

What is a statement summarizing a group of scientific facts called?

Table sugar melts at 366°F. Correctly estimating this temperature in Celsius yields:

Which of the following substances is homogeneous?

Combining two hydrogen atoms with one oxygen atom yields water while combining two hydrogen atoms with two oxygen atoms yields hydrogen peroxide. This is an example of:

Which of the following is not the symbol of an element?

Which of the following does not occur when ice melts?

Which of the following describes a chemical change?

In a chemical reaction, 23.2 g of mercury oxide is broken down to yield 20 g of mercury and 3.2 g of oxygen gas. This is an example of:

A sample of gold has a mass of 63.49 g. What is its volume? (Density of gold = 19.3 g/mL)

Ethanol contains 2 carbons, 6 hydrogens, 1 oxygen. Write its chemical formula.

Which characteristic below best fits the description of a liquid?

Which of the following is a chemical property of iron?

Which of the following is both a quantitative and a qualitative statement?

Atoms and Elements

Chemical Compounds

Quantities of Reactants and Products

Chemical Reactions

Energy and Chemical Reactions

Electron Configurations and the Periodic Table

Covalent Bonding

Molecular Structure

Gases and the Atmosphere

Liquids, Solids, and Materials

Chemical Kinetics: Rates of Reactions

Chemical Equilibrium

The Chemistry of Solutes and Solutions

Acids and Bases

Additional Aqueous Equilibria

Thermodynamics: Directionality of Chemical Reactions

Electrochemistry and Its Applications

Nuclear Chemistry

Filters