Equilibrium Constants and Delta G

The video tutorial summarizes key thermodynamics equations from chapter 16, highlighting those not on the equation sheet. It explains the use of significant figures in calculations and provides practice problems for calculating equilibrium constants and determining reaction spontaneity. The tutorial emphasizes understanding the mathematical manipulation of equations and predicting outcomes based on Delta G values.

Which equations are not included on the equation sheet?

• Equations 2 and 6

• Equations 3 and 5

• Equations 1 and 3

• Equations 1, 2, and 4

What is the main mathematical function used in Equations 1, 2, and 4?

• Multiplication

• Addition and Subtraction

• Division

• Exponentiation

Equation 3 is used to solve for which of the following?

• Temperature

• Concentration

• Volume

• Pressure

How is the equilibrium constant related to standard Delta G in Equation 6?

• Through addition

• Through division

• Through subtraction

• Through multiplication

What is the expected value of K for a reactant-favored system?

• Cannot be determined

• Less than 1

• Equal to 1

• Greater than 1

What is the common mistake students make when calculating K?

• Forgetting to convert units

• Forgetting to carry the negative sign

• Using the wrong equation

• Misplacing decimal points

What is the significance of a positive Delta G in terms of reaction spontaneity?

• The reaction is at equilibrium

• The reaction is non-spontaneous

• The reaction rate is increased

• The reaction is spontaneous

What is the value of Delta G naught used in the final practice problem?

• 27.1 kilojoules per mole

• 5.9 kilojoules per mole

• 10.9 kilojoules per mole

• 1.79 kilojoules per mole

What is the calculated value of Q in the final practice problem?

• 9.782 x 10^-4

• 1.79 x 10^-5

• 5.9 x 10^-3

• 10.9 x 10^-2

What does a positive final Delta G indicate about the direction of the reaction?

• It is accelerating

• It is at equilibrium

• It is moving in reverse

• It is moving forward