
Understanding Spontaneity in Chemical Reactions
Interactive Video
•
Chemistry, Science
•
10th - 12th Grade
•
Hard

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main question addressed in the video regarding the reaction between methane and oxygen?
Whether the reaction is endothermic
Whether the reaction is spontaneous
Whether the reaction produces energy
Whether the reaction is reversible
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a component of Gibbs free energy?
Temperature
Entropy
Enthalpy
Pressure
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a negative change in enthalpy indicate about a reaction?
The reaction is endothermic
The reaction is exothermic
The reaction is at equilibrium
The reaction absorbs energy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does liquid water have lower entropy compared to oxygen gas?
Oxygen gas is colder
Oxygen gas is denser
Liquid water has fewer possible states
Liquid water has more energy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of a negative Gibbs free energy change?
The reaction absorbs energy
The reaction is non-spontaneous
The reaction is spontaneous
The reaction is at equilibrium
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does temperature affect the spontaneity of a reaction?
Lower temperature always makes a reaction non-spontaneous
Higher temperature always makes a reaction spontaneous
Temperature has no effect on spontaneity
Temperature can influence the balance between enthalpy and entropy
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the entropy term in Gibbs free energy at very high temperatures?
It decreases
It becomes negligible
It becomes more significant
It remains constant
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