Plz help me with these :)

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.

Frequency of electromagnetic waves that a radio station is assigned is called

When flexing to a reflective style, one should be specific, brief and to the point, and maintain a fast and decisive pace?