A chemist prepared a sealed tube with 0.85 atm of PCl5 at 500 K. The pressure increased as the following reaction occurred. When equilibrium was achieved, the total final pressure in the tube had increased to 1.25 atm. Calculate Kp. PCl5(g) ↔ PCl3(g) + Cl2(g)

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

hope this

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.