Question
Question 1
A)In order to break a bond, energy must be (1 point)
Responses
removed.
removed.
produced.
produced.
absorbed.
absorbed.
released.
released.
Question 2
A)
Use the chemical equation to answer the question.
CH4+2O2→2H2O+CO2
This is the chemical equation for the burning of methane gas. Which of the following explains why this process is exothermic?
(1 point)
Responses
More energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
More energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
More energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
More energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
Less energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
Less energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
Less energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
Less energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
Question 3
A)Which is the strongest: single, double, or triple bonds?(1 point)
Responses
triple bonds
triple bonds
single bonds
single bonds
double bonds
double bonds
All bonds have the same strength.
All bonds have the same strength.
Question 4
A)
Use the reaction to answer the question.
C2H2+3H2→2CH4
This reaction is exothermic. What does that mean?
(1 point)
Responses
It would occur without additional energy.
It would occur without additional energy.
It would not occur without additional energy.
It would not occur without additional energy.
The reaction does not consume or produce energy.
The reaction does not consume or produce energy.
The reaction absorbs energy as it occurs.
The reaction absorbs energy as it occurs.
Question 5
A)
Use the reaction to answer the question.
C2H6+energy→C2H4+H2
Which describes this reaction, endothermic or exothermic? Why?
(1 point)
Responses
This reaction is exothermic, because more energy is taken in than released.
This reaction is exothermic, because more energy is taken in than released.
The reaction is exothermic, because more energy is released than taken in.
The reaction is exothermic, because more energy is released than taken in.
The reaction is endothermic, because more energy is released than taken in.
The reaction is endothermic, because more energy is released than taken in.
The reaction is endothermic, because more energy is taken in than released.
The reaction is endothermic, because more energy is taken in than released.
A)In order to break a bond, energy must be (1 point)
Responses
removed.
removed.
produced.
produced.
absorbed.
absorbed.
released.
released.
Question 2
A)
Use the chemical equation to answer the question.
CH4+2O2→2H2O+CO2
This is the chemical equation for the burning of methane gas. Which of the following explains why this process is exothermic?
(1 point)
Responses
More energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
More energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
More energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
More energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
Less energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
Less energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
Less energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
Less energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
Question 3
A)Which is the strongest: single, double, or triple bonds?(1 point)
Responses
triple bonds
triple bonds
single bonds
single bonds
double bonds
double bonds
All bonds have the same strength.
All bonds have the same strength.
Question 4
A)
Use the reaction to answer the question.
C2H2+3H2→2CH4
This reaction is exothermic. What does that mean?
(1 point)
Responses
It would occur without additional energy.
It would occur without additional energy.
It would not occur without additional energy.
It would not occur without additional energy.
The reaction does not consume or produce energy.
The reaction does not consume or produce energy.
The reaction absorbs energy as it occurs.
The reaction absorbs energy as it occurs.
Question 5
A)
Use the reaction to answer the question.
C2H6+energy→C2H4+H2
Which describes this reaction, endothermic or exothermic? Why?
(1 point)
Responses
This reaction is exothermic, because more energy is taken in than released.
This reaction is exothermic, because more energy is taken in than released.
The reaction is exothermic, because more energy is released than taken in.
The reaction is exothermic, because more energy is released than taken in.
The reaction is endothermic, because more energy is released than taken in.
The reaction is endothermic, because more energy is released than taken in.
The reaction is endothermic, because more energy is taken in than released.
The reaction is endothermic, because more energy is taken in than released.
Answers
GPT-4o mini
Here are the answers to your questions:
**Question 1**
A) In order to break a bond, energy must be **absorbed.**
**Question 2**
A) The process is exothermic because **Less energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.**
**Question 3**
A) The strongest type of bond is **triple bonds.**
**Question 4**
A) The fact that the reaction is exothermic means that **It would occur without additional energy.**
**Question 5**
A) This reaction is **endothermic, because more energy is taken in than released.**
Let me know if you have any more questions!
**Question 1**
A) In order to break a bond, energy must be **absorbed.**
**Question 2**
A) The process is exothermic because **Less energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.**
**Question 3**
A) The strongest type of bond is **triple bonds.**
**Question 4**
A) The fact that the reaction is exothermic means that **It would occur without additional energy.**
**Question 5**
A) This reaction is **endothermic, because more energy is taken in than released.**
Let me know if you have any more questions!