A vessel with a volume of V=0.5 l contains m=1 g of vaporous iodine J2. At a temperature of t=1000 °C, the pressure in the vessel turned out to be equal to p=10 Pa. Find the degree of dissociation of iodine molecules J2 into J atoms under these conditions. The degree of dissociation is the ratio of the number of dissociated molecules to the total number of molecules before dissociation. The molar mass of iodine J2 is m=254 g/mol.
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