Water vapor at 1000 kPa and 600oC is expanded to 500 kPa and 400oC. Calculate the change in the specific entropy and enthalpy of this water vapor using the departure charts and the property tables.

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule