What is Gibbs free energy? (3.3.4 Quiz: Spontaneity of a Reaction) - The energy contained within the bonds of molecules
- The energy lost as heat to the surrounding molecules
- The energy in the form of kinetic energy in a system
- The useable energy released or absorbed by a reaction (correct answer)

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon