hwk12 - + H 2 = CO + H 2 O Assume that the chemicals are in...

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PH421 - Thermal and Statistical Physics Assignment 12 - Apr 14, 2008 1. Pressure dependence of the melting point of water The latent heat of fusion of water is L = 3 . 4 × 10 5 J/kg, and the densities of water in the solid and liquid phases are respectively ρ 1 = 0 . 917 and ρ 2 = 1 . 000 g/cm 3 . Given that water coexists in the solid and liquid phase at T =100 C and p =1 atm, find the melting point at a pressure of 100 atmospheres. 2. Temperature dependence of chemical reactions Consider the following chemical reaction: CO 2
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Unformatted text preview: + H 2 = CO + H 2 O Assume that the chemicals are in equilibrium at a temperature T in a container of volume V , and that they can be treated as ideal gases (neglecting their internal degrees of freedom). (a) If the volume is kept constant and T increases, will the relative concentration of CO 2 and H 2 remain the same or not? (b) If the temperature is kept constant and the volume increased, will the relative concentration of CO 2 and H 2 remain the same or not?...
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