Can yall help meh lol

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

In which of these cases are the two wave points considered to be in phase with each other?

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .