Question

When gaseous F2 and solid I2 are heated to high temperatures, the I2 sublimes and gaseous iodine heptafluoride forms. 2.80 × 102 torr of F2 and 3.30 g of solid I2 are put into a 2.50 L container at 2.50 × 102 K and the container is heated to 5.50 × 102 K.

(a) What is the final pressure?