How does density change when the state of matter changes from solid to liquid?

How do you tell if someone actually cares about you? and just say they do?

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.

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?