Bromine (Br2) has a normal melting point of – 7.2°C and a normal boiling point of 59°C. The triple point of Br2 is – 7.3°C and 40 mm Hg, and the critical point is 320°C and 100 atm. a) Using the above information, sketch a phase diagram for bromine indicating all the points described above b) Under what temperature conditions can liquid bromine never exist?  c) What phase changes occur as the temperature of a sample of bromine at 0.10 atm is increased from – 50°C to 200°C?

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