H sys = qp. 3. The change in the enthalpy of the system during a chemical reaction is equal to the change in the internal energy plus the change in the product of the pressure of the gas in the system and its volume.
Destiny will be back online at around 2am on Friday, September 9. UPDATE ONE: Destiny maintenance is set to be extended, Bungie has confirmed. The original plans was for the game's servers to go back online at around midnight on Friday, September 9. The studio have now confirmed that fans will have two wait another two hours before Destiny is ready to be launched again.
Meaning PS owners may get two weeks headstart. Destiny is set to enter beta on Xbox One and Xbox 360 in late July, according to a new trailer for the game. Originally spotted by VideoGamer, the date is shown on a slate at the end of a video currently viewable via the Xbox One dashboard.