[填空题]
If 18.75 mol of helium gas ij+v:v4r+mhu ze4aw .vymk: d,s at nl-)awmtsm:6*oeb (iq v, k9k10.0$^{\circ} $C and a gauge pressure of 0.350 atm, (a) calculate the volume of the helium gas under these conditions. $m^3$
(b) Calculate the temperature if the gas is compressed to precisely half the volume at a gauge pressure of 1.00 atm. $^{\circ} $ C