PLEASE HELP ME Gases X and Y react in a movable chamber and it was found that the
reaction increased the volume of the chamber. Assuming temperature
remained constant throughout this reaction, which of the following
statements is true?

a. The chamber expanded so work is done on Z
b. The chamber expanded so work is done by gas Z
c. The chamber expanded so heat is produced by the reaction
d. The chamber expanded so heat is consumed by the reaction