2. What is the change in G for a process in which 0.022 mole of an ideal gas goes from 2505 psi (pounds per square inch) to 14.5 psi at 295K? (10%)

6. One example of a first-order reaction is the isomerization of hydrogen isocyanide to hydrogen cyanide: . If the rate constant at a particular temperature is , what mass of HCN remains after 1.50 hr if a 1.000-gram sample of HNC was present at the beginning of the reaction? (10%)