22. What is the mole fraction of in a mixture with a total pressure of 800 to wh

Question

22. What is the mole fraction of in a mixture with a total pressure of 800 to when the partial pressure ofH2 is 90 a. 0.88 d. 8.8 b, 1.0 e. 0,11 er, determine the energy required to melt 1.00 g of ice (solid water) at its melting point. Boiling point 373 K Melting point 273 K. Enthalpy of vaporization 2,260 J/ Enthalpy of fusion 334 J/ Specific heat capacity (solid) 2.11 J/(g K Specific heat capacity liquid) 4.18 J/ K) Specific heat capacity (gas) 2.08 J/ d. 0.334 kJ b. 4.96 kJ e, 2.26 kJ c. 23.2 kJ

Explanation / Answer

22. PH2 = xH2*Ptotal

        90 = x*800

   x = molfraction of H2 = 0.11

answer: e.0.11

23. q = DHfus*m

         = 334 *1

         = 334 joule

       = 0.334 kj

answer: d

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