When gaseous F₂ and solid I₂ are heated to high temperatures, the I₂ sublimes and gaseous iodine heptafluoride forms. 3.20 × 10² torr of F₂ and 2.90 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? Ptotal (b) What is the partial pressure of I₂ gas? P1₂ atm atm 1₂

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Q: 1) Calculate the volume of 1.62g of Helium gas at 25.670C and 872 mmHg.  (R = 0.0821 atm.L/mol.K)

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.