change of soap for h20 at its boring point and 1 atm is (change of H...

Question

Question

change of soap for h20 at its boring point and 1 atm is (change of H of h20= 40.7kj/mol)

a. 109 j/k

b. 40,700j/k

c. 407 j/k

d. 137j/k

science chemistry

Answer 1

Answer #1

Answer: a) 373.15 K

S^o_vap = H^o_vap / T_BP

T_BP = Boiling point temperature = 373 K = 100^oC

H^o_vap = 40.7 kJ/mol = 40.7 x 1000 kJ = 40700 J

S^o_vap = H^o_vap / T_BP = 40700 J / 373 K = 109 J/K

Answer 2

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