Controlling Chemical Reactions

Last updated over 2 years ago

21 questions

Instructions

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Library

Controlling Chemical Reactions

Last updated over 2 years ago

21 questions

Instructions

Read each question and choose the choice that best answers each question. 

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This image above best represents what type of chemical reaction? Explain your answer.

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Draggable item		Corresponding Item

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What type of reaction is shown below?
CA(OH)2 + AL2(SO4)3 --> CASO4 + AL(OH)3

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Explain the graph above to me. (Including het vocabulary terms catalyst, activation energy, exothermic/endothermic)

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Draggable item		Corresponding Item

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The human body has chemical reactions happening all the time. If we increase this in your saliva the food in your mouth will break down faster.

Read each question and choose the choice that best answers each question. 

This image above best represents what type of chemical reaction? Explain your answer.

What does activation energy refer to in a chemical reaction?

The total energy after a reaction.

The heat produced by a chemical reaction.

Energy from catalyst in a reaction.

The minimum energy needed to start a reaction.

How does a catalyst affect the activation energy of a reaction?

Has no impact on activation energy.

Increases the activation energy required

Lowers the activation energy required.

Provides additional activation energy.

Draggable item		Corresponding Item
MG + FE2O3 --> FE + MGO		Combustion
C2H4 + O2 --> CO2 + H20		Double Displacement
NABR + HPO4 --> NA3PO4 + HBR		Decomposition
PBSO4 --> PBSO3 + O2		Single Replacement

What happens if the activation energy in a chemical reaction is not reached?

The reaction will proceed faster.

Increased heat production in the reaction.

It creates a new substance.

The reaction will not proceed.

Which side of a chemical equation are the reactants?

Bottom

Top

Left

Right

What type of reaction is shown below?
CA(OH)2 + AL2(SO4)3 --> CASO4 + AL(OH)3

Why is it important to balance a chemical equation?

To comply with the law of conservation of matter

To make the equation simpler

To identify the products

To identify the reactants

What is this graph displaying?

Activation energy of an exothermic reaction

Activation energy of a combustion reaction

Activation energy of an endothermic reaction

Activation energy of a decomposition reaction

Which accurately describes the function of a catalyst in a chemical reaction?

It prevents the chemical reaction from occurring

It reduces the energy required to initiate the reaction

It increases the energy output of the reaction

It alters the chemical compounds participating in the reaction

What would likely happen if you remove a catalyst from a chemical reaction?

The reaction would change to a different one

The reaction would speed up

The reaction would instantly stop

The reaction would slow down

Explain the graph above to me. (Including het vocabulary terms catalyst, activation energy, exothermic/endothermic)

Are catalysts consumed in the chemical reactions they facilitate?

No

They transform into another substance

Yes

Only in some circumstances

If you change the concentration of a substance, that means you are adding more of that substance to the same given volume. This will make the reaction slow down.

True

False

In an endothermic reaction, the products have less energy than the reactants because energy is released.

True

False

All reactions must have enough energy to start the reaction.

True

False

Increasing the surface area of the reactants will decrease the rate of the reaction.

True

False

Heat gives the reactant particles more energy. You can increase the surface area and concentration or also use a catalyst it speed up the reaction

True

False

Match the vocabulary terms to the correct definition.

Draggable item		Corresponding Item
Concentration		An increase in this will typically increase the rate of reaction. It is measured by hot hot or cold a substance is.
Catalyst		A material is used to decrease the speed of a chemical reaction.
Inhibitor		The amount of substance in a given volume.
Exothermic		Lowers activation energy for the reaction to begin
Endothermic		The minimum amount of energy needed for a reaction to take place.
Activation Energy		This reaction will release heat into the surrounding area.
Surface Area		This reaction will absorb heat from the surrounding area.
Temperture		The area of the chemical substances used in a chemical reaction.

When we increase the amount of concentration of a substance, how are we affecting the rate of reaction?

Increasing concentration makes the reaction go backwards

Increasing concentration decreases the rate of reaction

Increasing concentration increases the rate of reaction

Increasing concentration does nothing

The human body has chemical reactions happening all the time. If we increase this in your saliva the food in your mouth will break down faster.

What does activation energy refer to in a chemical reaction?

The total energy after a reaction.

The heat produced by a chemical reaction.

Energy from catalyst in a reaction.

The minimum energy needed to start a reaction.

How does a catalyst affect the activation energy of a reaction?

Has no impact on activation energy.

Increases the activation energy required

Lowers the activation energy required.

Provides additional activation energy.

MG + FE2O3 --> FE + MGO

Combustion

C2H4 + O2 --> CO2 + H20

Double Displacement

NABR + HPO4 --> NA3PO4 + HBR

Decomposition

PBSO4 --> PBSO3 + O2

Single Replacement

What happens if the activation energy in a chemical reaction is not reached?

The reaction will proceed faster.

Increased heat production in the reaction.

It creates a new substance.

The reaction will not proceed.

Which side of a chemical equation are the reactants?

Bottom

Top

Left

Right

Why is it important to balance a chemical equation?

To comply with the law of conservation of matter

To make the equation simpler

To identify the products

To identify the reactants

What is this graph displaying?

Activation energy of an exothermic reaction

Activation energy of a combustion reaction

Activation energy of an endothermic reaction

Activation energy of a decomposition reaction

Which accurately describes the function of a catalyst in a chemical reaction?

It prevents the chemical reaction from occurring

It reduces the energy required to initiate the reaction

It increases the energy output of the reaction

It alters the chemical compounds participating in the reaction

What would likely happen if you remove a catalyst from a chemical reaction?

The reaction would change to a different one

The reaction would speed up

The reaction would instantly stop

The reaction would slow down

Are catalysts consumed in the chemical reactions they facilitate?

No

They transform into another substance

Yes

Only in some circumstances

If you change the concentration of a substance, that means you are adding more of that substance to the same given volume. This will make the reaction slow down. 

True

False

In an endothermic reaction, the products have less energy than the reactants because energy is released.

True

False

All reactions must have enough energy to start the reaction. 

True

False

Increasing the surface area of the reactants will decrease the rate of the reaction.

True

False

Heat gives the reactant particles more energy. You can increase the surface area and concentration or also use a catalyst it speed up the reaction

True

False

Match the vocabulary terms to the correct definition.

Concentration

An increase in this will typically increase the rate of reaction. It is measured by hot hot or cold a substance is.

Catalyst

A material is used to decrease the speed of a chemical reaction. 

Inhibitor

The amount of substance in a given volume. 

Exothermic

Lowers activation energy for the reaction to begin

Endothermic

The minimum amount of energy needed for a reaction to take place.

Activation Energy

This reaction will release heat into the surrounding area.

Surface Area

This reaction will absorb heat from the surrounding area. 

Temperture

The area of the chemical substances used in a chemical reaction.

When we increase the amount of concentration of a substance, how are we affecting the rate of reaction?

Increasing concentration makes the reaction go backwards

Increasing concentration decreases the rate of reaction

Increasing concentration increases the rate of reaction

Increasing concentration does nothing

Controlling Chemical Reactions

Controlling Chemical Reactions

This image above best represents what type of chemical reaction? Explain your answer.

What type of reaction is shown below? CA(OH)2 + AL2(SO4)3 --> CASO4 + AL(OH)3

Explain the graph above to me. (Including het vocabulary terms catalyst, activation energy, exothermic/endothermic)

The human body has chemical reactions happening all the time. If we increase this in your saliva the food in your mouth will break down faster.

This image above best represents what type of chemical reaction? Explain your answer.

What does activation energy refer to in a chemical reaction?

How does a catalyst affect the activation energy of a reaction?

What happens if the activation energy in a chemical reaction is not reached?

Which side of a chemical equation are the reactants?

What type of reaction is shown below? CA(OH)2 + AL2(SO4)3 --> CASO4 + AL(OH)3

Why is it important to balance a chemical equation?

What is this graph displaying?

Which accurately describes the function of a catalyst in a chemical reaction?

What would likely happen if you remove a catalyst from a chemical reaction?

Explain the graph above to me. (Including het vocabulary terms catalyst, activation energy, exothermic/endothermic)

Are catalysts consumed in the chemical reactions they facilitate?

If you change the concentration of a substance, that means you are adding more of that substance to the same given volume. This will make the reaction slow down.

In an endothermic reaction, the products have less energy than the reactants because energy is released.

All reactions must have enough energy to start the reaction.

Increasing the surface area of the reactants will decrease the rate of the reaction.

Heat gives the reactant particles more energy. You can increase the surface area and concentration or also use a catalyst it speed up the reaction

Match the vocabulary terms to the correct definition.

When we increase the amount of concentration of a substance, how are we affecting the rate of reaction?

The human body has chemical reactions happening all the time. If we increase this in your saliva the food in your mouth will break down faster.

What type of reaction is shown below?
CA(OH)2 + AL2(SO4)3 --> CASO4 + AL(OH)3

What type of reaction is shown below?
CA(OH)2 + AL2(SO4)3 --> CASO4 + AL(OH)3