4. A and B represent different substances. A and B cannot occur chemical reaction. Assuming that A and B are ideal gases, what is the entropy (in J) of mixing of 2 mol A with 3 mol of B at 300 K?Note: In(cd) = In(c) + In(d), = nIn(m)

5.ine burns a stoichiometric mixture of fuel (liquid hydrogen) in oxidant (liq The combustion chamber is cylindrical, 1.2 m long and 80 cm in diameter, and the combustion process produces 306 kg s' of exhaust gases. 2H2(I) + O2(I) = 2H2O(g). The reactor volume and me in which reaction takes place are identical. If combustion is complete, value of the rate of reaction of oxygen in kgmol m3 sl? Note:

4. A and B represent different substances. A and B cannot occur chemical reaction. Assuming that A and B are ideal gases, what is the entropy (in J) of mixing of 2 mol A with 3 mol of B at 300 K?
Note: In(cd) = In(c) + In(d), = nIn(m)

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