Construct a table with the headings q, w, delta U, and delta H. for each of the subsequent processes, deduce whether each of the quantities listed is positive, negative or zero. a) Freezing of acetone at 1atm b) irreversible isothermal expansion of an ideal gas c) adiabatic compression of an ideal gas d) irreversible adiabatic expansion of a gas beside an external pressure e) reversible isothermal compression of an ideal gas