Heat Of Neutralization Flashcards

1
Q

What is heat neutralization?

A

Heat neutralization is the process of counteracting or reducing heat generated during a chemical reaction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

True or False: Heat neutralization can only occur in exothermic reactions.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are common methods to achieve heat neutralization?

A

Common methods include using heat exchangers, adding coolants, and employing endothermic reactions.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Fill in the blank: The reaction of _______ and _______ can be used for heat neutralization.

A

calcium carbonate, hydrochloric acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the equation for the neutralization of hydrochloric acid with sodium hydroxide?

A

HCl + NaOH → NaCl + H2O

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What type of reaction is heat neutralization typically classified as?

A

It is typically classified as a thermochemical reaction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which equation represents the endothermic reaction involved in heat neutralization?

A

CaCO3 + HCl → CaCl2 + H2O + CO2 (with heat absorption)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

True or False: All neutralization reactions release heat.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the purpose of using a coolant in heat neutralization?

A

The purpose is to absorb excess heat and maintain a stable temperature.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which substance is commonly used as a coolant in chemical processes?

A

Water or ethylene glycol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the significance of the enthalpy change in heat neutralization?

A

It indicates the amount of heat absorbed or released during the reaction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Fill in the blank: The reaction of _______ and _______ is an example of heat neutralization.

A

sulfuric acid, sodium bicarbonate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the equation for the neutralization of sulfuric acid with sodium bicarbonate?

A

H2SO4 + NaHCO3 → Na2SO4 + H2O + CO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What role do catalysts play in heat neutralization?

A

Catalysts can speed up the reaction without being consumed, thus aiding in heat management.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

True or False: Heat neutralization can improve reaction efficiency.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is a common indicator used in acid-base neutralization reactions?

A

Phenolphthalein

17
Q

What type of energy change is associated with heat neutralization?

A

A change in enthalpy (ΔH)

18
Q

Fill in the blank: The process of heat neutralization can help prevent _______ during chemical reactions.

A

overheating

19
Q

What is the general outcome of a neutralization reaction?

A

The formation of water and a salt.

20
Q

What is the neutralization equation for acetic acid and sodium hydroxide?

A

CH3COOH + NaOH → CH3COONa + H2O

21
Q

True or False: Heat neutralization is only relevant in laboratory settings.

A

False

22
Q

What is the main goal of heat neutralization in industrial applications?

A

To control the temperature of exothermic reactions to ensure safety and efficiency.

23
Q

What happens to the temperature of a solution during an exothermic neutralization reaction?

A

The temperature increases.

24
Q

What is a safety measure to take during heat neutralization?

A

Use proper personal protective equipment (PPE) and conduct reactions in a controlled environment.

25
Q

What is the equation for the neutralization of phosphoric acid with sodium hydroxide?

A

H3PO4 + 3NaOH → Na3PO4 + 3H2O