Gases A and B react in a movable chamber under isobaric conditions. Given that heat is added to A and B for the reaction and that the internal energy of condition 2 is equal to that of condition 1, which of the following must be true?

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.