If a pure substance undergoes an infinitesimal reversible process between two equilibrium states c) the change in internal energy is given by du tds pdv show that if t is held constant, the first energy equation is given by au др t ат -p av (10 marks) (av show cy bt d) s

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.