[填空题]
In an engine, an almost ideal gas is compressed adiabatically to 1 rw4 fita34dj*bc2zmgri4 57u0an aohalf its volr2dgsbrnncj7 0-9ezw. s qazthak8 p+9 s++x)ume. In doing so, 1850 J of work is done on the gasa n)zs.b92+r h+se7 zajt9qxw0 s8k+-gr dcpn.
(a) How much heat flows into or out of the gas? $J$
(b) What is the change in internal energy of the gas? $J$
(c) Does its temperature rise or fall?
