Gibb's Free Energy Problems Worksheet featuring five exercises on calculating standard free energy changes for chemical reactions under standard conditions, with provided answers.

A worksheet titled "Gibb's Free Energy Problems Worksheet" with five chemistry problems involving calculations of standard free energy changes (ΔG°) for various chemical reactions, including hydrogenation of ethene, formation of carbon dioxide, vaporization of bromine, production of glucose, and reaction of copper(I) sulfide with sulfur. Each problem includes given thermodynamic data and asks to determine spontaneity or calculate ΔG°.