(a) The temperature of the liquid brass after mixing..

(b) The entropy change in this mixing process;

The heat capacities of liquid zinc and copper are 15 and 20 J/mole-K, respectively

prove that the intercepts w and q are Zg and z^, respectively.

7.21 At a fixed temperature, the molar enthalpy of an A-B solution varies with composition according to:

(a) what are the molar enthalpies of pure A and pure B?

(b) What are the partial molar enthalpies of A and B at xB = 0.5?

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Getting Started With Solar

Getting Started With Solar

Do we really want the one thing that gives us its resources unconditionally to suffer even more than it is suffering now? Nature, is a part of our being from the earliest human days. We respect Nature and it gives us its bounty, but in the recent past greedy money hungry corporations have made us all so destructive, so wasteful.

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