An endothermic reaction that occurs when an ionic compound dissolves in water to make an ionic solution

Dissolution of ionic compounds in water is an endothermic reaction.

Dissolution of ionic compounds in water releases heat.

Ionic compounds do not dissolve in water.

Dissolution of ionic compounds in water is an exothermic reaction.

What is the main cause of global warming? What are the consequences of global warming?

The main cause of global warming is the increase of greenhouse gases, and its consequences include rising sea levels, extreme weather, and loss of biodiversity.

Global warming leads to an increase in ice coverage in polar regions.

The primary cause of global warming is deforestation of urban areas.

The main cause of global warming is volcanic eruptions.

List the two ways that energy is involved in chemical reactions.

Activation energy and energy changes (exothermic and endothermic reactions)

Chemical energy and nuclear energy

Kinetic energy and potential energy

Catalytic energy and thermal energy

Why is so much energy required and released in a nuclear reaction?

A large amount of energy is required to overcome nuclear forces, and energy is released due to mass conversion during nuclear reactions.

Nuclear reactions require no energy input and release energy through chemical bonds.

Energy is only released when atoms are split into smaller atoms without any mass loss.

Energy is needed to cool down the reaction and prevent overheating during the process.

Explain the interaction and roles of electromagnetic force and strong nuclear force in the nucleus of an atom.

The strong nuclear force holds the nucleus together, while the electromagnetic force affects the interactions between charged protons.

The strong nuclear force only affects electrons in the atom.

Electromagnetic force is responsible for holding neutrons together.

The strong nuclear force repels protons from each other.

How is gamma decay different from alpha or beta decay?

Gamma decay is the emission of high-energy photons without changing the nucleus, while alpha and beta decay involve changes in the nucleus.

Gamma decay involves the emission of particles from the nucleus.

Alpha decay results in the emission of high-energy photons.

Beta decay does not change the atomic number of the nucleus.

The difference between fusion and fission. Why do certain elements undergo fusion or fission? 7. Which type of nuclear reaction is used in modern-day nuclear reactors? Why is the other type of nuclear reaction not used in modern-day energy product

Fission is used in modern-day nuclear reactors; fusion is not used due to the extreme conditions required.

Fission is not used in modern reactors; only fusion is utilized.

Both fusion and fission are used equally in modern reactors.

Fusion is easier to control than fission in energy production.

When an atom of beryllium-9 is bombarded by an alpha particle, an atom of carbon-12 is produced and a neutron is emitted. What kind of nuclear reaction has just occurred?

Nuclear transmutation (fusion reaction with neutron emission)

what is the chemical reaction involved in burning wood?

The chemical reaction involved in burning wood is combustion, primarily producing carbon dioxide and water.

Decomposition yielding nitrogen and methane

Sublimation resulting in gas release

Fermentation producing ethanol and oxygen

Chapter 18 Energy Reaction Test

Authored by Rafael Ulloa

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9th Grade

NGSS covered

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20 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

A process that involves rearrangement of atoms into new or different substances

Physical change

Phase transition

Chemical reaction

Nuclear reaction

Tags

NGSS.HS-PS1-2

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

In an endothermic reaction the system is releasing energy.

True

The system absorbs energy.

Endothermic reactions are exothermic.

False

Tags

NGSS.HS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

A reaction that needs energy (heat) added to it and makes the area around it seem colder

Endothermic reaction

Exothermic reaction

Catalytic reaction

Spontaneous reaction

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

A reaction that produces (gives off) heat and makes the area around it feel warmer

Exothermic reaction

Combustion reaction

Catalytic reaction

Endothermic reaction

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

In an endothermic reaction, heat is ...

released

neutral

decomposed

absorbed

Tags

NGSS.HS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Exothermic reactions...

release energy in the form of heat

are always spontaneous

do not involve energy changes

absorb energy in the form of heat

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

What are the products of photosynthesis?

Nitrogen and glucose

Glucose and oxygen

Carbon dioxide and water

Oxygen and carbon dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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Chapter 18 Energy Reaction Test

A process that involves rearrangement of atoms into new or different substances

In an endothermic reaction the system is releasing energy.

A reaction that needs energy (heat) added to it and makes the area around it seem colder

A reaction that produces (gives off) heat and makes the area around it feel warmer

In an endothermic reaction, heat is ...

Exothermic reactions...

What are the products of photosynthesis?

What is a substance called if it speeds up a chemical reaction?

Describes a chemical reaction that releases more energy than it uses

Describes a chemical reaction that uses more energy than it releases

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