25. Solving a chemistry problem

25. Solving a chemistry problem

13. Find the change in entropy when 25 kg of bromine is cooled from 373 to 173 K at constant pressure if:
Tmelt=265.9 K Cmt=0.674 J/(g*K);
Тboil=332.2 K Срж=0.461 J/(g*K);
ΔHpl=10.55 kJ/mol Cg=0.225 J/(g*K);
ΔHtest=30.7 kJ/mol

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