The parameters are:

PA $=$ PB $=4\mathrm{.}3106$ PaPa $,$ PC $=$ PD $=1\mathrm{.}4106$ PaPa

VAVA $=2\mathrm{.}0103$ m$3$m$3,$ VBVB $=8\mathrm{.}0103$ m$3$m$3,$ Vc $=?,$

VDVD $=2103$ m$3$m$3$

A to B: How much work is done by the gas in this process? Include a proper sign.

A to B: What is the change in internal energy $$U$$U of the gas? Include a proper sign

A to B: What is the heat Q in this process? Include a proper sign.

B to C: What is the volume at point C$?$

B to C: How much work is done by the gas in this process? Include a proper sign.

B to C: What is the change in internal energy $$U$$U in this process? Include a proper sign.

B to C: What is the heat in this process? Include a proper sign.

C to D: How much work is done by the gas in this process? Include a proper sign.

D to A: How much work is done by the gas in this process? Include a proper sign.

Entire Cycle: A to B to C to D to A:

Entire Cycle: A to B to C to D to A:

Entire Cycle: A to B to C to D to A: