Test1 - Chemistry 2740 Spring 2011 Test 1 Time 50 minutes Marks 36 Aids allowed calculator 8.5 11-inch formula sheet Useful data is given on the

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Chemistry 2740 Spring 2011 Test 1 Time: 50 minutes Marks: 36 Aids allowed: calculator, 8 . 5 × 11-inch formula sheet Useful data is given on the reverse of this page. Instructions: You can answer the questions in any order, but make sure that you clearly label each of your answers with the question number in your exam booklet(s). 1. Give one example of an intensive state variable or state function, and one example of an extensive state variable or state function. [2 marks] 2. The bomb calorimetry experiment is generally carried out in two steps: (i) burn a sample of known heat of combustion, and (ii) burn an unknown sample. (a) What do you actually measure in a calorimetry experiment? [2 marks] (b) What is the purpose of step (i)? [1 mark] (c) What quantity can you calculate after step (ii)? [1 mark] 3. Give an example of a process that is permitted by the first law of thermodynamics, but forbidden by the second law. [2 marks] 4. A protein is made up of a string of amino acids, sometimes called “residues”. Two of the
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This note was uploaded on 03/03/2012 for the course CHEM 2740 taught by Professor Roussel during the Fall '07 term at Lethbridge College.

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Test1 - Chemistry 2740 Spring 2011 Test 1 Time 50 minutes Marks 36 Aids allowed calculator 8.5 11-inch formula sheet Useful data is given on the

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