Questions 7-9 refer to the following information. At 27°C, five identical rigid 2.0 L vessels are fi — States of Matter Chemistry Question

Questions 7-9 refer to the following information.

At 27°C, five identical rigid 2.0 L vessels are filled with N₂(g) and sealed. Four of the five vessels also contain a 0.050 mol sample of NaHCO₃(s), NaBr(s), Cu(s), or I₂(s), as shown in the diagram. [VISUAL]

The gas particles in vessel 3 at 27°C are represented in the diagram. The lengths of the arrows represent the speeds of the particles. Which of the following diagrams best represents the particles when vessel 3 is heated to 127°C? [VISUAL]