What is the primary use of Gibbs Free Energy in chemistry and biology?

Gibbs Free Energy and Its Role in Reaction Spontaneity

Interactive Video
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Chemistry, Biology, Science
•
10th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To find the pH of a solution
To calculate the mass of reactants
To determine the spontaneity of a reaction
To measure the speed of a reaction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following indicates a spontaneous reaction according to Gibbs Free Energy?
Delta G is less than zero
Delta G is equal to zero
Delta G is greater than zero
Delta G is undefined
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a reaction where enthalpy decreases and entropy increases, what can be said about the reaction's spontaneity?
The reaction requires a catalyst
The reaction is non-spontaneous
The reaction is at equilibrium
The reaction is spontaneous
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the spontaneity of a reaction if both enthalpy and entropy changes are negative, but the temperature is low?
The reaction rate increases
The reaction reaches equilibrium
The reaction remains spontaneous
The reaction becomes non-spontaneous
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a high temperature affect a reaction where enthalpy change is negative and entropy change is negative?
The reaction reaches equilibrium
The reaction becomes more spontaneous
The reaction rate decreases
The reaction becomes less spontaneous
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of increasing temperature on a reaction with positive enthalpy and entropy changes?
The reaction remains unchanged
The reaction rate decreases
The reaction becomes spontaneous
The reaction becomes non-spontaneous
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which condition is necessary for the Gibbs Free Energy formula to be applicable?
Constant volume
Constant pressure and temperature
Variable pressure
Variable temperature
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