Number of moles in 80.0g of bromine gas

If a substance is not at its melting or boiling point, as the heat content of a sample of matter increases, its temperature increases the number of intermolecular bonds decreases the space between particles increases the particles move faster

Which of the following are correct values for the ideal gas laws constant r

Find the mass, in grams, of 5.00*10^23 molecules of f2