Problems for Chap

7.1 Two moles of an A-B binary solution with 50 mole % A at 200oC are mixed with three moles of a 20 mole % A solution at 100oC and the resulting mixture is brought to 150oC. The heat capacities of A and B are 36 and 52 J/mole-K, respectively, and the solutions are ideal. Determine the enthalpy and entropy changes for this process and the heat exchanged with the surroundings.

Hint: form the three solutions from pure components at a reference temperature of 100"C

7.2 The data obtained in the water/sulfuric acid mixing demonstration in class for both solutions are shown below.

_Initial volumes, cm3_Temperature, oC


Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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